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0.004 0.030 0.493 0.550 0.157 0.014 0.615 0.008 0.369 0.478 0.003 0.369 0.001 0.006 0.026 0.006 0.039 0.008 0.042 0.219 0.910 0.328 0.000 0.043 0.007 0.006 0.198 0.547 0.003 0.003 0.019 0.001 0.010 0.044 0.550 0.023 0.107 0.001 0.021 0.000 0.121 0.255 0.167 0.376 0.000 0.008 0.026 0.039 0.078 0.361 0.002 0.002 0.190 0.014 0.024 0.034 0.031 0.056 0.001 0.000 0.008 0.107 0.735 0.002 0.029 0.004 0.120 0.021 0.007 0.004 0.000 0.095 0.063 0.003 0.931 0.029 0.137 0.117 0.107 0.014 0.000 0.150 0.550 0.006 0.409 0.994 0.931 0.043 0.224 0.207 0.021 0.034 0.013 0.303 0.003 0.276 0.095 0.167 0.994 0.008 0.019 0.015 0.150 0.000 0.032 0.008 0.078 0.668 0.222 0.006 0.010 0.704 0.112 0.029 0.704 0.030 0.017 0.299 0.235 0.023 0.011 0.042 0.026 0.750 0.033 0.011 0.078 0.094 0.000 0.002 0.110 0.095 0.003 0.276 0.002 0.000 0.121 0.110 0.024 0.013 0.008 0.004 0.003 0.003 0.015 0.004 0.000 0.301 0.029 0.021 0.006 0.133 0.023 0.010 0.000 0.033 0.301 0.056 0.017 0.224 0.063 0.931 0.029 0.017 0.110 0.013 0.007 0.003 0.137 0.003 0.008 0.001 0.086 0.000 0.390 0.043 0.044 0.004 0.001 0.107 0.003 0.030 0.190 0.023 0.016 0.032 0.013 0.160 0.178 0.077 0.112 0.006 0.052 0.222 0.000 0.000 0.077 0.007 0.003 0.254 0.704 0.000 0.011 0.016 0.023 0.000 0.003 0.008 0.255 0.127 0.411 0.173 0.000 0.015 0.222 0.110 0.051 0.051 0.137 0.478 0.000 0.015 0.000 0.029 0.006 N-1A 0001084380 false N-CSR/A TIAA-CREF Funds 2026-03-31 Nuveen Bond Index Fund Class A Shares TBILX This annual shareholder report contains important information about the Class A Shares of the Nuveen Bond Index Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at <span style="font-family: arial; font-size: 9pt; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span><span style="font-family: arial;">. You can also request this information by contacting us at (800) 257‑8787.</span> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 32%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td style="width: 34%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class A Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$41 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.40%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 41 0.0040 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Bond Index Fund’s total return for Class A Shares at net asset value (NAV) was 3.98% for the 12 months ended March 31, 2026. The Fund’s index, the Bloomberg U.S. Aggregate Bond Index, returned 4.35%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The difference between the Fund’s total return at NAV and that of the index is attributable to management fees and other expenses incurred by the Fund that are not incurred by the index.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Fund had a risk profile similar to that of its benchmark. As such, there were no material contributors or detractors relative to the Fund’s benchmark during the period.</div> </div> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g93e93.jpg" style="width: 7.12111in; height: 3.91944in;"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 73%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">10‑Year</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class A Shares at NAV (excluding maximum sales charge)</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">3.98%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">(0.07)%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.26%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class A at maximum sales charge (Offering Price)</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">0.05%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">(0.82)%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">0.88%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.70%</td> </tr> </table> Class A Shares at NAV (excluding maximum sales charge) 0.0398 -0.0007 0.0126 Class A at maximum sales charge (Offering Price) 0.0005 -0.0082 0.0088 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0170 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 85%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$21,161,202,913</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">8,530</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">28%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$    14,535,016</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 21161202913 8530 0.28 14535016 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g42j82.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g58j91.jpg"/> </div> <div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 9pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 9pt; text-align: left;"><span style="font-weight: bold;">Portfolio manager updates: </span>Effective January 23, 2026, Joseph Spinelli was added as a portfolio manager of the Fund and Vivian Liu was removed as a portfolio manager of the Fund.</div> </td> <td style="width: 1%;"> </td> </tr> </table> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Bond Index Fund Class I Shares TBIAX This annual shareholder report contains important information about the Class I Shares of the Nuveen Bond Index Fund for the period of April 1, 2025 to March 31, 2026. annual shareholder report You can find additional information at <span style="font-family: arial; font-size: 9pt; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span><span style="font-family: arial;">. You can also request this information by contacting us at (800) 257‑8787.</span> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class I Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$17 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.17%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 17 0.0017 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Bond Index Fund’s total return for Class I Shares at net asset value (NAV) was 4.22% for the 12 months ended March 31, 2026. The Fund’s index, the Bloomberg U.S. Aggregate Bond Index, returned 4.35%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The difference between the Fund’s total return at NAV and that of the index is attributable to management fees and other expenses incurred by the Fund that are not incurred by the index.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Fund had a risk profile similar to that of its benchmark. As such, there were no material contributors or detractors relative to the Fund’s benchmark during the period.</div> </div> </div> <div style="font-size: 14pt; margin-top: 0pt; margin-bottom: 1pt;"> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g00v87.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: def.-arial mt; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr style="visibility: hidden; line-height: 0pt; color: white;"> <td style="width: 91%;"></td> <td style="vertical-align: bottom;"></td> <td style="white-space: nowrap;">                    </td> <td style="vertical-align: bottom;"></td> <td style="white-space: nowrap;">                    </td> <td style="vertical-align: bottom;"></td> <td style="white-space: nowrap;">                    </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: def.-arial mt; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-family: arial;"><span style="font-weight: bold;">1‑Year</span></span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-family: arial;"><span style="font-weight: bold;">5‑Year</span></span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-family: arial;"><span style="font-weight: bold;">10‑Year</span></span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: def.-arial mt; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class I Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-family: arial;">4.22%</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-family: arial;">0.15%</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-family: arial;">1.48%</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: def.-arial mt; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-family: arial;">4.35%</span></td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-family: arial;">0.31%</span></td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-family: arial;">1.70%</span></td> </tr> </table> Class I Shares at NAV 0.0422 0.0015 0.0148 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0170 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 85%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$21,161,202,913</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">8,530</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">28%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$    14,535,016</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 21161202913 8530 0.28 14535016 <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 10pt; width: 100%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 50%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td style="width: 49%;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 10pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em;">  <img alt="LOGO" src="g109016g1g93e92.jpg"/> </div> </td> <td style="vertical-align: bottom;"> </td> <td style="vertical-align: top;">  <img alt="LOGO" src="g109016g1g59j92.jpg"/> </td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 9pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 9pt; text-align: left;"><span style="font-weight: bold;">Portfolio manager updates: </span>Effective January 23, 2026, Joseph Spinelli was added as a portfolio manager of the Fund and Vivian Liu was removed as a portfolio manager of the Fund.</div> </td> <td style="width: 1%;"> </td> </tr> </table> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Bond Index Fund Premier Class Shares TBIPX This annual shareholder report contains important information about the Premier Class Shares of the Nuveen Bond Index Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at<span style="font-weight: bold;"> </span><span style="font-family: arial; font-size: 9pt; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span><span style="font-family: arial;">. You can also request this information by contacting us at (800) 257‑8787.</span> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year?</span></span><span style="font-family: arial;"> (based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 32%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td style="width: 34%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Premier Class Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$22 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.22%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 22 0.0022 <div style="margin-top: 10pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Bond Index Fund’s total return for Premier Class Shares at net asset value (NAV) was 4.17% for the 12 months ended March 31, 2026. The Fund’s index, the Bloomberg U.S. Aggregate Bond Index, returned 4.35%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The difference between the Fund’s total return at NAV and that of the index is attributable to management fees and other expenses incurred by the Fund that are not incurred by the index.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Fund had a risk profile similar to that of its benchmark. As such, there were no material contributors or detractors relative to the Fund’s benchmark during the period.</div> </div> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g88a01.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 76%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">10‑Year</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Premier Class Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.17%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.10%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.43%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.70%</td> </tr> </table> Premier Class Shares at NAV 0.0417 0.0010 0.0143 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0170 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 85%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$21,161,202,913</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">8,530</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">28%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$    14,535,016</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 21161202913 8530 0.28 14535016 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g85i45.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g34b90.jpg"/> </div> <div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 9pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 9pt; text-align: left;"><span style="font-weight: bold;">Portfolio manager updates: </span>Effective January 23, 2026, Joseph Spinelli was added as a portfolio manager of the Fund and Vivian Liu was removed as a portfolio manager of the Fund.</div> </td> <td style="width: 1%;"> </td> </tr> </table> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Bond Index Fund Retirement Class Shares TBIRX This annual shareholder report contains important information about the Retirement Class Shares of the Nuveen Bond Index Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at<span style="font-weight: bold;"> </span><span style="font-family: arial; font-size: 9pt; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span><span style="font-family: arial;">. You can also request this information by contacting us at (800) 257‑8787.</span> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Retirement Class Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$33 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.32%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 33 0.0032 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Bond Index Fund’s total return for Retirement Class Shares at net asset value (NAV) was 4.06% for the 12 months ended March 31, 2026. The Fund’s index, the Bloomberg U.S. Aggregate Bond Index, returned 4.35%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The difference between the Fund’s total return at NAV and that of the index is attributable to management fees and other expenses incurred by the Fund that are not incurred by the index.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Fund had a risk profile similar to that of its benchmark. As such, there were no material contributors or detractors relative to the Fund’s benchmark during the period.</div> </div> </div> <div style="font-size: 14pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="font-size: 0pt; margin-top: 0pt; margin-bottom: 1pt;"> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g83a01.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 76%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">10‑Year</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Retirement Class Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.06%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.01%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.34%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.70%</td> </tr> </table> Retirement Class Shares at NAV 0.0406 0.0001 0.0134 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0170 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 85%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$21,161,202,913</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">8,530</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">28%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$    14,535,016</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 21161202913 8530 0.28 14535016 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;">  <img alt="LOGO" src="g109016g1g45k49.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;">  <img alt="LOGO" src="g109016g1g96z68.jpg"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 9pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 9pt; text-align: left;"><span style="font-weight: bold;">Portfolio manager updates:</span> Effective January 23, 2026, Joseph Spinelli was added as a portfolio manager of the Fund and Vivian Liu was removed as a portfolio manager of the Fund.</div> </td> <td style="width: 1%;"> </td> </tr> </table> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Bond Index Fund Class R6 Shares TBIIX This annual shareholder report contains important information about the Class R6 Shares of the Nuveen Bond Index Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at<span style="white-space: nowrap;">https://www.nuveen.com/en-us/mutual-funds/prospectuses</span><span style="font-weight: bold;">.</span> You can also request this information by contacting us at <span style="white-space: nowrap;">(800) 257-8787.</span> https://www.nuveen.com/en-us/mutual-funds/prospectuses (800) 257-8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class R6 Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$7 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.07%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 7 0.0007 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Bond Index Fund’s total return for Class R6 Shares at net asset value (NAV) was 4.32% for the 12 months ended March 31, 2026. The Fund’s index, the Bloomberg U.S. Aggregate Bond Index, returned 4.35%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The difference between the Fund’s total return at NAV and that of the index is attributable to management fees and other expenses incurred by the Fund that are not incurred by the index.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Fund had a risk profile similar to that of its benchmark. As such, there were no material contributors or detractors relative to the Fund’s benchmark during the period.</div> </div> </div> <div style="font-size: 14pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="font-size: 0pt; margin-top: 0pt; margin-bottom: 1pt;"> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g78a01.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 76%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">10‑Year</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class R6 Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.32%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.25%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.58%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.70%</td> </tr> </table> Class R6 Shares at NAV 0.0432 0.0025 0.0158 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0170 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 85%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$21,161,202,913</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">8,530</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">28%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$    14,535,016</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 21161202913 8530 0.28 14535016 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;">  <img alt="LOGO" src="g109016g1g81k01.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;">  <img alt="LOGO" src="g109016g1g81k02.jpg"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 9pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 9pt; text-align: left;"><span style="font-weight: bold;">Portfolio manager updates:</span> Effective January 23, 2026, Joseph Spinelli was added as a portfolio manager of the Fund and Vivian Liu was removed as a portfolio manager of the Fund.</div> </td> <td style="width: 1%;"> </td> </tr> </table> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Bond Index Fund Class W Shares TBIWX This annual shareholder report contains important information about the Class W Shares of the Nuveen Bond Index Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at<span style="white-space: nowrap;">https://www.nuveen.com/en-us/mutual-funds/prospectuses</span><span style="font-weight: bold;">.</span> You can also request this information by contacting us at <span style="white-space: nowrap;">(800) 257-8787.</span> https://www.nuveen.com/en-us/mutual-funds/prospectuses (800) 257-8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class W Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$0 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.00%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 0 0.0000 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Bond Index Fund’s total return for Class W Shares at net asset value (NAV) was 4.39% for the 12 months ended March 31, 2026. The Fund’s index, the Bloomberg U.S. Aggregate Bond Index, returned 4.35%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Despite the effect of certain expenses incurred by the Fund that are not incurred by the benchmark index, the Fund’s return at NAV outperformed that of the index.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Fund had a risk profile similar to that of its benchmark. As such, there were no material contributors or detractors relative to the Fund’s benchmark during the period.</div> </div> </div> <div style="font-size: 14pt; margin-top: 0pt; margin-bottom: 1pt;"> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results.  The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin: 0pt 2% 0pt 2%;"> <img alt="LOGO" src="g109016g1g02a22.jpg" style="width: 7.12111in; height: 3.91944in;"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 70%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">Since Inception<br/>(9/28/18)</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class W Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.39%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.07%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.07%</td> </tr> </table> 2018-09-28 Class W Shares at NAV 0.0439 0.0031 0.0207 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0207 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 83%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$  21,161,202,913</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">8,530</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">28%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$      14,535,016</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 21161202913 8530 0.28 14535016 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g52t01.jpg"/> </div> </div><div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: justify;"> <img alt="LOGO" src="g109016g1g42y32.jpg"/> </div> </div><div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 9pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 9pt; text-align: left;"><span style="font-weight: bold;">Portfolio manager updates: </span>Effective January 23, 2026, Joseph Spinelli was added as a portfolio manager of the Fund and Vivian Liu was removed as a portfolio manager of the Fund.</div> </td> <td style="width: 1%;"> </td> </tr> </table><div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;"><span style="font-weight: bold;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at </span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span></span><span style="font-family: arial;"><span style="font-weight: bold;"> or upon request at (800) 257‑8787. </span></span></div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;"><span style="font-weight: bold;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at </span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span></span><span style="font-family: arial;"><span style="font-weight: bold;"> or upon request at (800) 257‑8787. </span></span></div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Core Bond Fund Class A Shares TIORX This annual shareholder report contains important information about the Class A Shares of the Nuveen Core Bond Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information athttps://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787. https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 32%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td style="width: 34%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class A Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$61 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.60%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 61 0.0060 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Core Bond Fund returned 4.26% for Class A Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund performed in line with the Bloomberg U.S. Aggregate Bond Index, which returned 4.35%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top contributors to relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.59em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">An overweight to corporate bonds, including small out‑of‑benchmark allocations to high-yield and emerging-markets corporate bonds and a corresponding underweight to U.S. Treasuries.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.59em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Out‑of‑benchmark exposure to non‑agency mortgage-backed securities and an overweight to emerging-markets debt.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.59em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Security selection, especially within investment-grade corporate bonds and commercial mortgage-backed securities.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top detractors from relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.59em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Yield curve positioning.</div> </div> </div> <div style="font-size: 14pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="font-size: 0pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="font-size: 0pt; margin-top: 0pt; margin-bottom: 1pt;"> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results.  The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g70a01.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 73%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">10‑Year</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class A Shares at NAV (excluding maximum sales charge)</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.26%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.40%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.94%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class A at maximum sales charge (Offering Price)</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">0.35%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">(0.36)%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.55%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.70%</td> </tr> </table> Class A Shares at NAV (excluding maximum sales charge) 0.0426 0.0040 0.0194 Class A at maximum sales charge (Offering Price) 0.0035 -0.0036 0.0155 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0170 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 85%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$10,171,187,634</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">1,914</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">113%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$    28,812,835</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 10171187634 1914 1.13 28812835 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;">  <img alt="LOGO" src="g109016g1g37z21.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;">  <img alt="LOGO" src="g109016g1g51v90.jpg"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Affiliated investment.</div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(2)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Core Bond Fund Class I Shares TIBHX This annual shareholder report contains important information about the Class I Shares of the Nuveen Core Bond Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at<span style="font-weight: bold;"> </span><span style="white-space: nowrap;">https://www.nuveen.com/en-us/mutual-funds/prospectuses</span><span style="font-weight: bold;">.</span> You can also request this information by contacting us at <span style="white-space: nowrap;">(800) 257-8787.</span> https://www.nuveen.com/en-us/mutual-funds/prospectuses (800) 257-8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 32%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td style="width: 33%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Costs paid as a percentage of </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment* </div> </td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class I Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$44 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.43% </td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 44 0.0043 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Core Bond Fund returned 4.33% for Class I Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund performed in line with the Bloomberg U.S. Aggregate Bond Index, which returned 4.35%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top contributors to relative performance</div> </div> </div> <div style="font-size: 3pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 3.00em; text-indent: -1.50em; font-size: 8.5pt; font-family: arial;">•  An overweight to corporate bonds, including small out‑of‑benchmark allocations to high-yield and emerging-markets corporate bonds and a corresponding underweight to U.S. Treasuries.</div> <div style="font-size: 3pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 3.00em; text-indent: -1.50em; font-size: 8.5pt; font-family: arial;">•  Out‑of‑benchmark exposure to non‑agency mortgage-backed securities and an overweight to emerging-markets debt.</div> <div style="font-size: 3pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 3.00em; text-indent: -1.50em; font-size: 8.5pt; font-family: arial;">•  Security selection, especially within investment-grade corporate bonds and commercial mortgage-backed securities.</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top detractors from relative performance</div> </div> </div> <div style="font-size: 3pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 1pt; margin-left: 3.00em; text-indent: -1.50em; font-size: 8.5pt; font-family: arial;">•  Yield curve positioning.</div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g61p61.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 76%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 3%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 3%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 3%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td colspan="2" style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="border-right: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="vertical-align: bottom;">  </td> <td colspan="2" style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td colspan="2" style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">10‑Year</span></td> <td style="border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class I Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">4.33</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">% </td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">0.55</td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;">% </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">2.13</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; white-space: nowrap; vertical-align: bottom;">% </td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">4.35</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">% </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">0.31</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">% </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">1.70</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; white-space: nowrap; vertical-align: bottom;">% </td> </tr> </table> Class I Shares at NAV 0.0433 0.0055 0.0213 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0170 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 85%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$10,171,187,634</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">1,914</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">113%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$    28,812,835</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 10171187634 1914 1.13 28812835 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g36g97.jpg" style="width: 2.41181in; height: 4.18902in;"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;"> <img alt="LOGO" src="g109016g1g11n05.jpg" style="width: 2.41181in; height: 2.33647in;"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Affiliated investment.</div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(2)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 4pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 4pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Core Bond Fund Premier Class Shares TIDPX This annual shareholder report contains important information about the Premier Class Shares of the Nuveen Core Bond Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at<br/><span style="font-family: arial; font-size: 9pt; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span><span style="font-family: arial;"><span style="font-weight: bold;">.</span> You can also request this information by contacting us at (800) 257‑8787.</span> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Cost of a <br/>$10,000 investment </span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of  <br/>$10,000 investment* </span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Premier Class Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$44 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.43% </td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 44 0.0043 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 9pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Core Bond Fund returned 4.44% for Premier Class Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund performed in line with the Bloomberg U.S. Aggregate Bond Index, which returned 4.35%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top contributors to relative performance</div> </div> </div> <div style="font-size: 3pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">An overweight to corporate bonds, including small out‑of‑benchmark allocations to high-yield and emerging-markets corporate bonds and a corresponding underweight to U.S. Treasuries.</div> </div> </div> <div style="font-size: 2pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Out‑of‑benchmark exposure to non‑agency mortgage-backed securities and an overweight to emerging-markets debt.</div> </div> </div> <div style="font-size: 2pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Security selection, especially within investment-grade corporate bonds and commercial mortgage-backed securities.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top detractors from relative performance</div> </div> </div> <div style="font-size: 3pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Yield curve positioning.</div> </div> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g99f99.jpg" style="width: 7.12111in; height: 3.91944in;"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 76%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">10‑Year</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Premier Class Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.44%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.56%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.08%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.70%</td> </tr> </table> Premier Class Shares at NAV 0.0444 0.0056 0.0208 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0170 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 85%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$10,171,187,634</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">1,914</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">113%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$    28,812,835</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 10171187634 1914 1.13 28812835 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g95j01.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g43e56.jpg"/> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Affiliated investment.</div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(2)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 4pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectu</span><span style="font-family: arial; color: #0071ce;">ses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 4pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectu</span><span style="font-family: arial; color: #0071ce;">ses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Core Bond Fund Class R6 Shares TIBDX This annual shareholder report contains important information about the Class R6 Shares of the Nuveen Core Bond Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at <span style="font-family: arial; font-size: 9pt; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span><span style="font-family: arial;">. You can also request this information by contacting us at (800) 257‑8787.</span> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class R6 Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$29 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.28%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 29 0.0028 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Core Bond Fund returned 4.48% for Class R6 Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund performed in line with the Bloomberg U.S. Aggregate Bond Index, which returned 4.35%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top contributors to relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.59em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">An overweight to corporate bonds, including small out‑of‑benchmark allocations to high-yield and emerging-markets corporate bonds and a corresponding underweight to U.S. Treasuries.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.59em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Out‑of‑benchmark exposure to non‑agency mortgage-backed securities and an overweight to emerging-markets debt.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.59em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Security selection, especially within investment-grade corporate bonds and commercial mortgage-backed securities.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top detractors from relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.59em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Yield curve positioning.</div> </div> </div> <div style="font-size: 14pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="font-size: 0pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="font-size: 0pt; margin-top: 0pt; margin-bottom: 1pt;"> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g02k01.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 76%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">10‑Year</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class R6 Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.48%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.69%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.24%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.70%</td> </tr> </table> Class R6 Shares at NAV 0.0448 0.0069 0.0224 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0170 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 85%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$10,171,187,634</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">1,914</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">113%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$   28,812,835</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 10171187634 1914 1.13 28812835 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;">  <img alt="LOGO" src="g109016g1g00x04.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;"> <img alt="LOGO" src="g109016g1g02k04.jpg"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Affiliated investment.</div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(2)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Core Bond Fund Retirement Class Shares TIDRX This annual shareholder report contains important information about the Retirement Class Shares of the Nuveen Core Bond Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information athttps://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787. https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Retirement Class Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$54 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.53%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 54 0.0053 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Core Bond Fund returned 4.33% for Retirement Class Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund performed in line with the Bloomberg U.S. Aggregate Bond Index, which returned 4.35%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top contributors to relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.59em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">An overweight to corporate bonds, including small out‑of‑benchmark allocations to high-yield and emerging-markets corporate bonds and a corresponding underweight to U.S. Treasuries.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.59em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Out‑of‑benchmark exposure to non‑agency mortgage-backed securities and an overweight to emerging-markets debt.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.59em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Security selection, especially within investment-grade corporate bonds and commercial mortgage-backed securities.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top detractors from relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.59em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Yield curve positioning.</div> </div> </div> <div style="font-size: 14pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="font-size: 0pt; margin-top: 0pt; margin-bottom: 1pt;"> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g65a01.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 76%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">10‑Year</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Retirement Class Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.33%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.45%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.99%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.70%</td> </tr> </table> Retirement Class Shares at NAV 0.0433 0.0045 0.0199 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0170 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 85%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$10,171,187,634</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">1,914</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">113%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">  <div style="font-size: 0pt; margin-top: 0pt; margin-bottom: 1pt;"> </div> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$    28,812,835 <div style="font-size: 0pt; margin-top: 0pt; margin-bottom: 1pt; text-align: left;"> </div> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">  <div style="font-size: 0pt; margin-top: 0pt; margin-bottom: 1pt;"> </div> </td> </tr> </table> 10171187634 1914 1.13 28812835 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;">  <img alt="LOGO" src="g109016g1g34p41.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;">  <img alt="LOGO" src="g109016g1g35w61.jpg"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Affiliated investment.</div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(2)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Core Bond Fund Class W Shares TBBWX This annual shareholder report contains important information about the Class W Shares of the Nuveen Core Bond Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at<span style="font-weight: bold;"> </span><span style="font-family: arial; font-size: 9pt; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span><span style="font-family: arial; color: #0000ff;"><span style="font-weight: bold;">.</span></span><span style="font-family: arial;"> You can also request this information by contacting us at (800) 257‑8787.</span> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class W Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$0 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.00%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 0 0.0000 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 9pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Core Bond Fund returned 4.77% for Class W Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund outperformed the Bloomberg U.S. Aggregate Bond Index, which returned 4.35%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top contributors to relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.56em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">An overweight to corporate bonds, including small out‑of‑benchmark allocations to high-yield and emerging-markets corporate bonds and a corresponding underweight to U.S. Treasuries.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.56em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Out‑of‑benchmark exposure to non‑agency mortgage-backed securities and an overweight to emerging-markets debt.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.56em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Security selection, especially within investment-grade corporate bonds and commercial mortgage-backed securities.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top detractors from relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.56em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Yield curve positioning.</div> </div> </div> <div style="font-size: 14pt; margin-top: 0pt; margin-bottom: 1pt;"> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g00v03.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 70%;"></td> <td style="vertical-align: bottom; width: 3%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 4%;"></td> <td style="vertical-align: bottom; width: 3%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 4%;"></td> <td style="vertical-align: bottom; width: 3%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 4%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td colspan="2" style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="border-right: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="vertical-align: bottom;">  </td> <td colspan="2" style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td colspan="2" style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">Since Inception<br/>(9/28/18)</span></td> <td style="border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class W Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: center;">4.77%</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: center;">0.98%</td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: center;">2.76%</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">4.35</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">% </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">0.31</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">% </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">2.07</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; white-space: nowrap; vertical-align: bottom;">% </td> </tr> </table> 2018-09-28 Class W Shares at NAV 0.0477 0.0098 0.0276 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0207 For most recent month‑end performance, go tohttps://www.nuveen.com/en‑us/mutual‑funds/prospectusesor call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 83%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$  10,171,187,634</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">1,914</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">113%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$      28,812,835</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 10171187634 1914 1.13 28812835 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g09u93.jpg"/> </div> </div><div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;"> <img alt="LOGO" src="g109016g1g70p31.jpg"/> </div> </div><div style="margin-top: 12pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Affiliated investment.</div><div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial;"><sup style="font-size: 75%; vertical-align: top;">(2)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Core Impact Bond Fund Class A Shares TSBRX This annual shareholder report contains important information about the Class A Shares of the Nuveen Core Impact Bond Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787. https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class A Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$69 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.67%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 69 0.0067 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Core Impact Bond Fund returned 4.63% for Class A Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund outperformed the Bloomberg U.S. Aggregate Bond Index, which returned 4.35%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top contributors to relative performance</div> </div> </div> <div style="font-size: 3pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">An overweight to corporate bonds, including a small out‑of‑benchmark allocation to high-yield corporate bonds, out‑of‑benchmark exposure to non‑agency mortgage-backed securities, and a corresponding underweight to U.S. Treasuries.</div> </div> </div> <div style="font-size: 2pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Security selection within investment-grade corporate bonds and commercial mortgage-backed securities (CMBS).</div> </div> </div> <div style="font-size: 2pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">An out‑of‑benchmark allocation to municipal bonds, as well as overweights to government credit securities, CMBS, and asset‑backed securities.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top detractors from relative performance</div> </div> </div> <div style="font-size: 3pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Yield curve positioning.</div> </div> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g33z64.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 73%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">10‑Year</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class A Shares at NAV (excluding maximum sales charge)</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.63%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.26%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.79%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class A at maximum sales charge (Offering Price)</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">0.70%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">(0.51)%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.41%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.70%</td> </tr> </table> Class A Shares at NAV (excluding maximum sales charge) 0.0463 0.0026 0.0179 Class A at maximum sales charge (Offering Price) 0.0070 -0.0051 0.0141 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0170 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 86%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$7,491,858,652</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">1,103</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">143%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$   22,807,929</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 7491858652 1103 1.43 22807929 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;">  <img alt="LOGO" src="g109016g1g47k51.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g32t34.jpg"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 4pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 4pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Core Impact Bond Fund Class I Shares TSBHX This annual shareholder report contains important information about the Class I Shares of the Nuveen Core Impact Bond Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information athttps://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787. https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 32%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td style="width: 33%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Costs paid as a percentage of </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment* </div> </td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class I Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$42 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.41% </td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 42 0.0041 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 9pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Core Impact Bond Fund returned 4.68% for Class I Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund outperformed the Bloomberg U.S. Aggregate Bond Index, which returned 4.35%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top contributors to relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.56em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">An overweight to corporate bonds, including a small out‑of‑benchmark allocation to high-yield corporate bonds, out‑of‑benchmark exposure to non‑agency mortgage-backed securities, and a corresponding underweight to U.S. Treasuries.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.56em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Security selection within investment-grade corporate bonds and commercial mortgage-backed securities (CMBS).</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.56em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">An out‑of‑benchmark allocation to municipal bonds, as well as overweights to government credit securities, CMBS, and asset-backed securities.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top detractors from relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.56em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Yield curve positioning.</div> </div> </div> <div style="font-size: 14pt; margin-top: 0pt; margin-bottom: 1pt;"> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g00v93.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 76%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">10‑Year</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class I Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.68%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.46%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.99%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.70%</td> </tr> </table> Class I Shares at NAV 0.0468 0.0046 0.0199 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0170 For most recent month‑end performance, go to <span style="font-family: arial; font-size: 8pt; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 86%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">$</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">7,491,858,652</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">1,103</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">143%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">$</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">22,807,929</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 7491858652 1103 1.43 22807929 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g41m22.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;"> <img alt="LOGO" src="g109016g1g24j81.jpg"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;"><span style="font-weight: bold;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at </span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span></span><span style="font-family: arial;"><span style="font-weight: bold;"> or upon request at (800) 257‑8787. </span></span></div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;"><span style="font-weight: bold;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at </span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span></span><span style="font-family: arial;"><span style="font-weight: bold;"> or upon request at (800) 257‑8787. </span></span></div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Core Impact Bond Fund Premier Class Shares TSBPX This annual shareholder report contains important information about the Premier Class Shares of the Nuveen Core Impact Bond Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information athttps://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787. https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Premier Class Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$51 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.50%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 51 0.0050 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 9pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Core Impact Bond Fund returned 4.70% for Premier Class Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund outperformed the Bloomberg U.S. Aggregate Bond Index, which returned 4.35%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top contributors to relative performance</div> </div> </div> <div style="font-size: 3pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">An overweight to corporate bonds, including a small out‑of‑benchmark allocation to high-yield corporate bonds, out‑of‑benchmark exposure to non‑agency mortgage-backed securities, and a corresponding underweight to U.S. Treasuries.</div> </div> </div> <div style="font-size: 2pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Security selection within investment-grade corporate bonds and commercial mortgage-backed securities (CMBS).</div> </div> </div> <div style="font-size: 2pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">An out‑of‑benchmark allocation to municipal bonds, as well as overweights to government credit securities, CMBS, and asset-backed securities.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top detractors from relative performance</div> </div> </div> <div style="font-size: 2pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Yield curve positioning.</div> </div> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g67y21.jpg" style="width: 7.12111in; height: 3.91944in;"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 76%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">10‑Year</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Premier Class Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.70%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.35%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.91%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.70%</td> </tr> </table> Premier Class Shares at NAV 0.0470 0.0035 0.0191 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0170 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 86%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">$</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">7,491,858,652</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">1,103</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">143%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">$</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">22,807,929</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 7491858652 1103 1.43 22807929 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g99e31.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;"> <img alt="LOGO" src="g109016g1g94m81.jpg"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 4pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 4pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Core Impact Bond Fund Class R6 Shares TSBIX This annual shareholder report contains important information about the Class R6 Shares of the Nuveen Core Impact Bond Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information athttps://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787. https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="border-top: 0.75pt solid #7fb8e6; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class R6 Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="border-top: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$36 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.35%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 36 0.0035 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 9pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Core Impact Bond Fund returned 4.86% for Class R6 Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund outperformed the Bloomberg U.S. Aggregate Bond Index, which returned 4.35%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top contributors to relative performance</div> </div> </div> <div style="font-size: 3pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">An overweight to corporate bonds, including a small out‑of‑benchmark allocation to high-yield corporate bonds, out‑of‑benchmark exposure to non‑agency mortgage-backed securities, and a corresponding underweight to U.S. Treasuries.</div> </div> </div> <div style="font-size: 2pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Security selection within investment-grade corporate bonds and commercial mortgage-backed securities (CMBS).</div> </div> </div> <div style="font-size: 2pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">An out‑of‑benchmark allocation to municipal bonds, as well as overweights to government credit securities, CMBS, and asset-backed securities.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top detractors from relative performance</div> </div> </div> <div style="font-size: 2pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Yield curve positioning.</div> </div> </div> <div style="font-size: 14pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="font-size: 0pt; margin-top: 0pt; margin-bottom: 1pt;"> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g21c21.jpg" style="width: 7.12111in; height: 3.91944in;"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 76%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">10‑Year</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class R6 Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.86%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.52%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.07%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.70%</td> </tr> </table> Class R6 Shares at NAV 0.0486 0.0052 0.0207 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0170 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 86%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$7,491,858,652</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">1,103</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">143%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$   22,807,929</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 7491858652 1103 1.43 22807929 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;">  <img alt="LOGO" src="g109016g1g10a10.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;"> <img alt="LOGO" src="g109016g1g06v06.jpg"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 4pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en-us/mutual-funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 4pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en-us/mutual-funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en-us/mutual-funds/prospectuses (800) 257‑8787 Nuveen Core Impact Bond Fund Retirement Class Shares TSBBX This annual shareholder report contains important information about the Retirement Class Shares of the Nuveen Core Impact Bond Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information athttps://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787. https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 1pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Retirement Class Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$61 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.60%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 61 0.0060 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Core Impact Bond Fund returned 4.60% for Retirement Class Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund performed in line with the Bloomberg U.S. Aggregate Bond Index, which returned 4.35%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top contributors to relative performance</div> </div> </div> <div style="font-size: 3pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">An overweight to corporate bonds, including a small out‑of‑benchmark allocation to high-yield corporate bonds, out‑of‑benchmark exposure to non‑agency mortgage-backed securities, and a corresponding underweight to U.S. Treasuries.</div> </div> </div> <div style="font-size: 2pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Security selection within investment-grade corporate bonds and commercial mortgage-backed securities (CMBS).</div> </div> </div> <div style="font-size: 2pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">An out‑of‑benchmark allocation to municipal bonds, as well as overweights to government credit securities, CMBS, and asset-backed securities.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top detractors from relative performance</div> </div> </div> <div style="font-size: 3pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Yield curve positioning.</div> </div> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g01a36.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 76%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">10‑Year</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Retirement Class Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.60%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.27%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.81%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.70%</td> </tr> </table> Retirement Class Shares at NAV 0.0460 0.0027 0.0181 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0170 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 86%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$7,491,858,652</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">1,103</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">143%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$   22,807,929</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 7491858652 1103 1.43 22807929 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g77f45.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;"> <img alt="LOGO" src="g109016g1g98b94.jpg"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 4pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 4pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Core Plus Bond Fund Class A Shares TCBPX This annual shareholder report contains important information about the Class A Shares of the Nuveen Core Plus Bond Fund for the period of April 1, 2025 to March 31, 2026. annual shareholder report You can find additional information at <span style="font-family: arial; font-size: 9pt; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span><span style="font-family: arial;">. You can also request this information by contacting us at (800) 257‑8787.</span> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class A Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$64 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.63%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 64 0.0063 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 10pt 2% 0pt 2%;">Performance Highlights</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">The Nuveen Core Plus Bond Fund returned 4.14% for Class A Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund performed in line with the Bloomberg U.S. Aggregate Bond Index, which returned 4.35%.</div> </td> <td style="width: 1%;"> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">Top contributors to relative performance</div> </td> <td style="width: 1%;"> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 5%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">An overweight to corporate bonds, including out‑of‑benchmark allocations to high-yield and emerging-markets corporate bonds and a corresponding underweight to U.S. Treasuries.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 5%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">An overweight to emerging-markets debt and out‑of‑benchmark exposure to non‑agency mortgage-backed securities.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 5%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">Security selection, especially within corporate bonds and commercial mortgage-backed securities.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">Top detractors from relative performance</div> </td> <td style="width: 1%;"> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 5%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">Yield curve positioning.</div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g00x40.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 73%;"></td> <td style="vertical-align: bottom; width: 3%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 3%;"></td> <td style="vertical-align: bottom; width: 3%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 3%;"></td> <td style="vertical-align: bottom; width: 3%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 3%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td colspan="2" style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="border-right: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="vertical-align: bottom;">  </td> <td colspan="2" style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td colspan="2" style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">10‑Year</span></td> <td style="border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class A Shares at NAV (excluding maximum sales charge)</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">4.14</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">% </td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">0.62</td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;">% </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">2.20</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; white-space: nowrap; vertical-align: bottom;">% </td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class A at maximum sales charge (Offering Price)</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">0.24</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">% </td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">(0.14</td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;">)% </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">1.81</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; white-space: nowrap; vertical-align: bottom;">% </td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">4.35</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">% </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">0.31</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">% </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">1.70</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; white-space: nowrap; vertical-align: bottom;">% </td> </tr> </table> Class A Shares at NAV (excluding maximum sales charge) 0.0414 0.0062 0.0220 Class A at maximum sales charge (Offering Price) 0.0024 -0.0014 0.0181 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0170 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 86%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">$</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">4,420,052,522</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">1,605</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">121%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">$</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">   13,064,399</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 4420052522 1605 1.21 13064399 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g00x42.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g02k42.jpg"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Affiliated investment.</div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(2)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 9pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 9pt; text-align: left;"><span style="font-weight: bold;">Portfolio Manager Update:</span> Effective July 1, 2025, Kevin Lorenz retired and is no longer a portfolio manager of the Fund.</div> </td> <td style="width: 1%;"> </td> </tr> </table> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Core Plus Bond Fund Class I Shares TCBHX This annual shareholder report contains important information about the Class I Shares of the Nuveen Core Plus Bond Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information athttps://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787. https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class I Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$37 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.36%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 12pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 37 0.0036 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Core Plus Bond Fund returned 4.41% for Class I Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund performed in line with the Bloomberg U.S. Aggregate Bond Index, which returned 4.35%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top contributors to relative performance</div> </div> </div> <div style="font-size: 3pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">An overweight to corporate bonds, including out‑of‑benchmark allocations to high-yield and emerging-markets corporate bonds and a corresponding underweight to U.S. Treasuries.</div> </div> </div> <div style="font-size: 3pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">An overweight to emerging-markets debt and out‑of‑benchmark exposure to non‑agency mortgage-backed securities.</div> </div> </div> <div style="font-size: 3pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Security selection, especially within corporate bonds and commercial mortgage-backed securities.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top detractors from relative performance</div> </div> </div> <div style="font-size: 3pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Yield curve positioning.</div> </div> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g78p78.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 76%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">10‑Year</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class I Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.41%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.85%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.45%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.70%</td> </tr> </table> Class I Shares at NAV 0.0441 0.0085 0.0245 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0170 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 85%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$4,420,052,522</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">1,605</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">121%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$   13,064,399</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 4420052522 1605 1.21 13064399 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g65t61.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g16e41.jpg"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Affiliated investment.</div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(2)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 9pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 9pt; text-align: left;"><span style="font-weight: bold;">Portfolio Manager Update:</span> Effective July 1, 2025, Kevin Lorenz retired and is no longer a portfolio manager of the Fund.</div> </td> <td style="width: 1%;"> </td> </tr> </table> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 4pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 4pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Core Plus Bond Fund Premier Class Shares TBPPX This annual shareholder report contains important information about the Premier Class Shares of the Nuveen Core Plus Bond Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at<span style="font-family: arial; font-size: 9pt; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span><span style="font-family: arial;"><span style="font-weight: bold;">.</span> You can also request this information by contacting us at (800) 257‑8787.</span> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Cost of a <br/>$10,000 investment </span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of  <br/>$10,000 investment* </span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Premier Class Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$46 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.45% </td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 46 0.0045 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Core Plus Bond Fund returned 4.33% for Premier Class Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund performed in line with the Bloomberg U.S. Aggregate Bond Index, which returned 4.35%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top contributors to relative performance</div> </div> </div> <div style="font-size: 3pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">An overweight to corporate bonds, including out‑of‑benchmark allocations to high-yield and emerging-markets corporate bonds and a corresponding underweight to U.S. Treasuries.</div> </div> </div> <div style="font-size: 2pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">An overweight to emerging-markets debt and out‑of‑benchmark exposure to non‑agency mortgage-backed securities.</div> </div> </div> <div style="font-size: 2pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Security selection, especially within corporate bonds and commercial mortgage-backed securities.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top detractors from relative performance</div> </div> </div> <div style="font-size: 3pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Yield curve positioning.</div> </div> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g11h60.jpg" style="width: 7.12111in; height: 3.91944in;"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 76%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">10‑Year</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Premier Class Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.33%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.77%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.37%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.70%</td> </tr> </table> Premier Class Shares at NAV 0.0433 0.0077 0.0237 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0170 For most recent month‑end performance, go tohttps://www.nuveen.com/en‑us/mutual‑funds/prospectusesor call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 86%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$4,420,052,522</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">1,605</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">121%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$   13,064,399</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 4420052522 1605 1.21 13064399 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g43m51.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;"> <img alt="LOGO" src="g109016g1g08b70.jpg"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Affiliated investment.</div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(2)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 9pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 9pt; text-align: left;"><span style="font-weight: bold;">Portfolio Manager Update</span>: Effective July 1, 2025, Kevin Lorenz retired and is no longer a portfolio manager of the Fund.</div> </td> <td style="width: 1%;"> </td> </tr> </table> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectu</span><span style="font-family: arial; color: #0071ce;">ses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectu</span><span style="font-family: arial; color: #0071ce;">ses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Core Plus Bond Fund Class R6 Shares TIBFX This annual shareholder report contains important information about the Class R6 Shares of the Nuveen Core Plus Bond Fund for the period of April 1, 2025 to March 31, 2026. annual shareholder report You can find additional information at <span style="font-family: arial; font-size: 9pt; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span><span style="font-family: arial;">. You can also request this information by contacting us at (800) 257‑8787.</span> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class R6 Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$30 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.29%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 30 0.0029 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 10pt 2% 0pt 2%;">Performance Highlights</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">The Nuveen Core Plus Bond Fund returned 4.49% for Class R6 Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund performed in line with the Bloomberg U.S. Aggregate Bond Index, which returned 4.35%.</div> </td> <td style="width: 1%;"> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">Top contributors to relative performance</div> </td> <td style="width: 1%;"> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 5%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">An overweight to corporate bonds, including out‑of‑benchmark allocations to high-yield and emerging-markets corporate bonds and a corresponding underweight to U.S. Treasuries.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 5%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">An overweight to emerging-markets debt and out‑of‑benchmark exposure to non‑agency mortgage-backed securities.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 5%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">Security selection, especially within corporate bonds and commercial mortgage-backed securities.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">Top detractors from relative performance</div> </td> <td style="width: 1%;"> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 5%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">Yield curve positioning.</div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g00x50.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 76%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 3%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 3%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 3%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td colspan="2" style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="border-right: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="vertical-align: bottom;">  </td> <td colspan="2" style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td colspan="2" style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">10‑Year</span></td> <td style="border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class R6 Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">4.49</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">% </td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">0.95</td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;">% </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">2.53</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; white-space: nowrap; vertical-align: bottom;">% </td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">4.35</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">% </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">0.31</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">% </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">1.70</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; white-space: nowrap; vertical-align: bottom;">% </td> </tr> </table> Class R6 Shares at NAV 0.0449 0.0095 0.0253 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0170 For most recent month‑end performance, go tohttps://www.nuveen.com/en‑us/mutual‑funds/prospectusesor call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 86%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">$</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">4,420,052,522</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">1,605</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">121%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">$</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">   13,064,399</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 4420052522 1605 1.21 13064399 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g84x45.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g82t79.jpg"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Affiliated investment.</div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(2)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 9pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 9pt; text-align: left;"><span style="font-weight: bold;">Portfolio Manager Update:</span> Effective July 1, 2025, Kevin Lorenz retired and is no longer a portfolio manager of the Fund.</div> </td> <td style="width: 1%;"> </td> </tr> </table> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://</span><span style="font-family: arial; color: #0071ce;">www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://</span><span style="font-family: arial; color: #0071ce;">www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Core Plus Bond Fund Retirement Class Shares TCBRX This annual shareholder report contains important information about the Retirement Class Shares of the Nuveen Core Plus Bond Fund for the period of April 1, 2025 to March 31, 2026. annual shareholder report You can find additional information at <span style="font-family: arial; font-size: 9pt; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span><span style="font-family: arial;">. You can also request this information by contacting us at (800) 257‑8787.</span> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Retirement Class Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$55 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.54%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 55 0.0054 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 10pt 2% 0pt 2%;">Performance Highlights</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">The Nuveen Core Plus Bond Fund returned 4.23% for Retirement Class Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund performed in line with the Bloomberg U.S. Aggregate Bond Index, which returned 4.35%.</div> </td> <td style="width: 1%;"> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">Top contributors to relative performance</div> </td> <td style="width: 1%;"> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 5%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">An overweight to corporate bonds, including out‑of‑benchmark allocations to high-yield and emerging-markets corporate bonds and a corresponding underweight to U.S. Treasuries.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 5%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">An overweight to emerging-markets debt and out‑of‑benchmark exposure to non‑agency mortgage-backed securities.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 5%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">Security selection, especially within corporate bonds and commercial mortgage-backed securities.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">Top detractors from relative performance</div> </td> <td style="width: 1%;"> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 5%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">Yield curve positioning.</div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g00x45.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 76%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 3%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 3%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 3%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td colspan="2" style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="border-right: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="vertical-align: bottom;">  </td> <td colspan="2" style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td colspan="2" style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">10‑Year</span></td> <td style="border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Retirement Class Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">4.23</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">% </td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">0.68</td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;">% </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">2.27</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; white-space: nowrap; vertical-align: bottom;">% </td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">4.35</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">% </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">0.31</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">% </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">1.70</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; white-space: nowrap; vertical-align: bottom;">% </td> </tr> </table> Retirement Class Shares at NAV 0.0423 0.0068 0.0227 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0170 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 86%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">$</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">4,420,052,522</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">1,605</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">121%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">$</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">   13,064,399</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 4420052522 1605 1.21 13064399 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g67s88.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g42t35.jpg"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Affiliated investment.</div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(2)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 9pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 9pt; text-align: left;"><span style="font-weight: bold;">Portfolio Manager Update:</span> Effective July 1, 2025, Kevin Lorenz retired and is no longer a portfolio manager of the Fund.</div> </td> <td style="width: 1%;"> </td> </tr> </table> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Core Plus Bond Fund Class W Shares TCBWX This annual shareholder report contains important information about the Class W Shares of the Nuveen Core Plus Bond Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information athttps://www.nuveen.com/en‑us/mutual‑funds/prospectuses<span style="font-weight: bold;">.</span> You can also request this information by contacting us at (800) 257‑8787. https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class W Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$0 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.00%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 0 0.0000 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 9pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Core Plus Bond Fund returned 4.79% for Class W Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund outperformed the Bloomberg U.S. Aggregate Bond Index, which returned 4.35%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top contributors to relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.56em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">An overweight to corporate bonds, including out‑of‑benchmark allocations to high-yield and emerging-markets corporate bonds and a corresponding underweight to U.S. Treasuries.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.56em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">An overweight to emerging-markets debt and out‑of‑benchmark exposure to non‑agency mortgage-backed securities.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.56em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Security selection, especially within corporate bonds and commercial mortgage-backed securities.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top detractors from relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.56em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Yield curve positioning.</div> </div> </div> <div style="font-size: 14pt; margin-top: 0pt; margin-bottom: 1pt;"> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin: 0pt 2% 0pt 2%;"> <img alt="LOGO" src="g109016g1g17p17.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 70%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">Since Inception<br/>(9/28/18)</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class W Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.79%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">1.25%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">3.00%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.07%</td> </tr> </table> 2018-09-28 Class W Shares at NAV 0.0479 0.0125 0.0300 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0207 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 84%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$  4,420,052,522</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">1,605</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">121%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$     13,064,399</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 4420052522 1605 1.21 13064399 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g94w62.jpg" style="width: 2.41181in; height: 3.81892in;"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g74i12.jpg" style="width: 2.41181in; height: 2.33647in;"/> </div> <div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Affiliated investment.</div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(2)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 9pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 9pt; text-align: left;"><span style="font-weight: bold;">Portfolio Manager Update:</span> Effective July 1, 2025, Kevin Lorenz retired and is no longer a portfolio manager of the Fund.</div> </td> <td style="width: 1%;"> </td> </tr> </table> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen 5‑15 Year Laddered Tax Exempt Bond Fund Class A Shares TIXRX This annual shareholder report contains important information about the Class A Shares of the Nuveen 5‑15 Year Laddered Tax Exempt Bond Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at<span style="font-weight: bold;"> </span><span style="font-family: arial; font-size: 9pt; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span><span style="font-family: arial;">. You can also request this information by contacting us at (800) 257‑8787.</span> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class A Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$60 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.59%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 60 0.0059 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 10pt 2% 0pt 2%;">Performance Highlights</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">The Nuveen 5‑15 Year Laddered Tax Exempt Bond Fund returned 4.15% for Class A Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund underperformed the Bloomberg 10‑Year Municipal Bond Index, which returned 4.81%.</div> </td> <td style="width: 1%;"> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">Top contributors to relative performance</div> </td> <td style="width: 1%;"> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 5%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">Security selection in the lease backed and local GO sectors.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 5%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">An overweight to the housing sector.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 5%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">Exposure to the utility and education sectors.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">Top detractors from relative performance</div> </td> <td style="width: 1%;"> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 5%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">Exposure to the state GO, special tax and water/sewer sectors.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 5%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">Yield curve positioning.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 5%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">Security selection in the industrial development, health care and transportation sectors.</div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g00x55.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 73%;"></td> <td style="vertical-align: bottom; width: 3%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 3%;"></td> <td style="vertical-align: bottom; width: 3%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 3%;"></td> <td style="vertical-align: bottom; width: 3%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 3%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td colspan="2" style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="border-right: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="vertical-align: bottom;">  </td> <td colspan="2" style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td colspan="2" style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">10‑Year</span></td> <td style="border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class A Shares at NAV (excluding maximum sales charge)</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">4.15</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">% </td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">0.31</td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;">% </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">1.60</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; white-space: nowrap; vertical-align: bottom;">% </td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class A at maximum sales charge (Offering Price)</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">1.00</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">% </td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">(0.31</td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;">)% </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">1.30</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; white-space: nowrap; vertical-align: bottom;">% </td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg Municipal Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">4.29</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">% </td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">0.84</td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;">% </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">2.16</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; white-space: nowrap; vertical-align: bottom;">% </td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg 10‑Year Municipal Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">4.81</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">% </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">1.00</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">% </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">2.26</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; white-space: nowrap; vertical-align: bottom;">% </td> </tr> </table> Class A Shares at NAV (excluding maximum sales charge) 0.0415 0.0031 0.0160 Class A at maximum sales charge (Offering Price) 0.0100 -0.0031 0.0130 Bloomberg Municipal Bond Index 0.0429 0.0084 0.0216 Bloomberg 10‑Year Municipal Bond Index 0.0481 0.0100 0.0226 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 87%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">$</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">192,196,208</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">187</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">14%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">$</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">    491,983</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 192196208 187 0.14 491983 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g01k57.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g02k57.jpg"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen 5‑15 Year Laddered Tax Exempt Bond Fund Class I Shares TIXHX This annual shareholder report contains important information about the Class I Shares of the Nuveen 5‑15 Year Laddered Tax Exempt Bond Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at <span style="font-family: arial; font-size: 9pt; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span><span style="font-family: arial;">. You can also request this information by contacting us at (800) 257‑8787.</span> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year?</span></span><span style="font-family: arial;"> (based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class I Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$35 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.34%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 35 0.0034 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 9pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen 5‑15 Year Laddered Tax Exempt Bond Fund returned 4.41% for Class I Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund underperformed the Bloomberg 10‑Year Municipal Bond Index, which returned 4.81%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top contributors to relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Security selection in the lease backed and local GO sectors.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">An overweight to the housing sector.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Exposure to the utility and education sectors.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top detractors from relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Exposure to the state GO, special tax and water/sewer sectors.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Yield curve positioning.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Security selection in the industrial development, health care and transportation sectors.</div> </div> </div> <div style="font-size: 14pt; margin-top: 0pt; margin-bottom: 1pt;"> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g01a83.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: def.-arial mt; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr style="visibility: hidden; line-height: 0pt; color: white;"> <td style="width: 91%;"></td> <td style="vertical-align: bottom;"></td> <td style="white-space: nowrap;">                          </td> <td style="vertical-align: bottom;"></td> <td style="white-space: nowrap;">                          </td> <td style="vertical-align: bottom;"></td> <td style="white-space: nowrap;">                          </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: def.-arial mt; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-family: arial;"><span style="font-weight: bold;">1‑Year</span></span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-family: arial;"><span style="font-weight: bold;">5‑Year</span></span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-family: arial;"><span style="font-weight: bold;">10‑Year</span></span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: def.-arial mt; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class I Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-family: arial;">4.41%</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-family: arial;">0.50%</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-family: arial;">1.81%</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: def.-arial mt; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg Municipal Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-family: arial;">4.29%</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-family: arial;">0.84%</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-family: arial;">2.16%</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: def.-arial mt; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg 10‑Year Municipal Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-family: arial;">4.81%</span></td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-family: arial;">1.00%</span></td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-family: arial;">2.26%</span></td> </tr> </table> Class I Shares at NAV 0.0441 0.0050 0.0181 Bloomberg Municipal Bond Index 0.0429 0.0084 0.0216 Bloomberg 10‑Year Municipal Bond Index 0.0481 0.0100 0.0226 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 87%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$192,196,208</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">187</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">14%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$    491,983</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 192196208 187 0.14 491983 <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 10pt; width: 100%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 50%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td style="width: 49%;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 10pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em;">  <img alt="LOGO" src="g109016g1g83l03.jpg"/> </div> </td> <td style="vertical-align: bottom;"> </td> <td style="vertical-align: top;">  <img alt="LOGO" src="g109016g1g05c40.jpg"/> </td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen 5‑15 Year Laddered Tax Exempt Bond Fund Class R6 Shares TITIX This annual shareholder report contains important information about the Class R6 Shares of the Nuveen 5‑15 Year Laddered Tax Exempt Bond Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at <span style="font-family: arial; font-size: 9pt; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span><span style="font-family: arial;">. You can also request this information by contacting us at (800) 257‑8787.</span> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class R6 Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$31 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.30%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 31 0.0030 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen 5‑15 Year Laddered Tax Exempt Bond Fund returned 4.45% for Class R6 Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund underperformed the Bloomberg 10‑Year Municipal Bond Index, which returned 4.81%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top contributors to relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.59em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Security selection in the lease backed and local GO sectors.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.59em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">An overweight to the housing sector.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.59em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Exposure to the utility and education sectors.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top detractors from relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.59em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Exposure to the state GO, special tax and water/sewer sectors.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.59em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Yield curve positioning.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.59em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Security selection in the industrial development, health care and transportation sectors.</div> </div> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g00x60.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 76%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">10‑Year</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class R6 Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.45%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.58%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.88%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg Municipal Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.29%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.84%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.16%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg 10‑Year Municipal Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.81%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.00%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.26%</td> </tr> </table> Class R6 Shares at NAV 0.0445 0.0058 0.0188 Bloomberg Municipal Bond Index 0.0429 0.0084 0.0216 Bloomberg 10‑Year Municipal Bond Index 0.0481 0.0100 0.0226 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 87%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$192,196,208</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">187</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">14%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$    491,983</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 192196208 187 0.14 491983 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;">  <img alt="LOGO" src="g109016g1g93b20.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;">  <img alt="LOGO" src="g109016g1g62d27.jpg"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Green Bond Fund Class A Shares TGROX This annual shareholder report contains important information about the Class A Shares of the Nuveen Green Bond Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information athttps://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787. https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class A Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$78 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.76%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 78 0.0076 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Green Bond Fund returned 4.14% for Class A Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund underperformed the Bloomberg MSCI U.S. Green Bond Index, which returned 4.66%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top contributors to relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">An out‑of‑benchmark allocation to high-yield corporate bonds.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Security selection and an overweight to commercial mortgage-backed securities.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Out‑of‑benchmark exposure to municipal bonds and asset-backed securities.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top detractors from relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Exposure to government-agency and -credit securities, particularly emerging-markets debt.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Yield curve positioning.</div> </div> </div> <div style="font-size: 14pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="font-size: 0pt; margin-top: 0pt; margin-bottom: 1pt;"> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g22x17.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 67%;"></td> <td style="vertical-align: bottom; width: 3%;"></td> <td></td> <td style="vertical-align: bottom; width: 3%;"></td> <td></td> <td style="vertical-align: bottom; width: 3%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">Since Inception<br/>(11/16/18)</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class A Shares at NAV (excluding maximum sales charge)</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.14%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.45%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.35%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class A at maximum sales charge (Offering Price)</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">0.29%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">(0.31)%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.83%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.15%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg MSCI U.S. Green Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.66%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">0.95%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.80%</td> </tr> </table> 2018-11-16 Class A Shares at NAV (excluding maximum sales charge) 0.0414 0.0045 0.0235 Class A at maximum sales charge (Offering Price) 0.0029 -0.0031 0.0183 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0215 Bloomberg MSCI U.S. Green Bond Index 0.0466 0.0095 0.0280 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 87%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$184,532,910</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">254</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">31%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$    721,762</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 184532910 254 0.31 721762 <div style="position: relative; float: left; width: 31%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;">  <img alt="LOGO" src="g109016g1g63u43.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 32%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: -5pt;"> <img alt="LOGO" src="g109016g1g71j49.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 31%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: -10pt;"> <img alt="LOGO" src="g109016g1g70u61.jpg"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Green Bond Fund Class I Shares TGRKX This annual shareholder report contains important information about the Class I Shares of the Nuveen Green Bond Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at <span style="font-family: arial; font-size: 9pt; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span><span style="font-family: arial;">. You can also request this information by contacting us at (800) 257‑8787.</span> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class I Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$52 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.51%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 52 0.0051 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Green Bond Fund returned 4.40% for Class I Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund underperformed the Bloomberg MSCI U.S. Green Bond Index, which returned 4.66%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top contributors to relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">An out‑of‑benchmark allocation to high-yield corporate bonds.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Security selection and an overweight to commercial mortgage-backed securities.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Out‑of‑benchmark exposure to municipal bonds and asset-backed securities.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top detractors from relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Exposure to government-agency and -credit securities, particularly emerging-markets debt.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Yield curve positioning.</div> </div> </div> <div style="font-size: 14pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="font-size: 0pt; margin-top: 0pt; margin-bottom: 1pt;"> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g02x53.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 70%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">Since Inception<br/>(11/16/18)</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class I Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.40%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.70%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.60%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.15%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg MSCI U.S. Green Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.66%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">0.95%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.80%</td> </tr> </table> 2018-11-16 Class I Shares at NAV 0.0440 0.0070 0.0260 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0215 Bloomberg MSCI U.S. Green Bond Index 0.0466 0.0095 0.0280 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 87%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$184,532,910</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">254</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">31%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$    721,762</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 184532910 254 0.31 721762 <div style="position: relative; float: left; width: 31%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;">  <img alt="LOGO" src="g109016g1g14v92.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 32%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: -5pt;"> <img alt="LOGO" src="g109016g1g75c82.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 31%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: -10pt;"> <img alt="LOGO" src="g109016g1g65w64.jpg"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Green Bond Fund Premier Class Shares TGRLX This annual shareholder report contains important information about the Premier Class Shares of the Nuveen Green Bond Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information athttps://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787. https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Costs paid as a percentage of<br/></div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment*</div> </td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Premier Class Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$58 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.57%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 58 0.0057 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Green Bond Fund returned 4.33% for Premier Class Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund underperformed the Bloomberg MSCI U.S. Green Bond Index, which returned 4.66%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top contributors to relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.24em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">An out‑of‑benchmark allocation to high-yield corporate bonds.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.24em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Security selection and an overweight to commercial mortgage-backed securities.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.24em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Out‑of‑benchmark exposure to municipal bonds and asset-backed securities.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top detractors from relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.24em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Exposure to government-agency and -credit securities, particularly emerging-markets debt.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.24em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Yield curve positioning.</div> </div> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g38p38.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 70%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">Since Inception<br/>(11/16/18)</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Premier Class Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.33%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.63%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.51%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.15%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg MSCI U.S. Green Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.66%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">0.95%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.80%</td> </tr> </table> 2018-11-16 Premier Class Shares at NAV 0.0433 0.0063 0.0251 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0215 Bloomberg MSCI U.S. Green Bond Index 0.0466 0.0095 0.0280 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 87%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$184,532,910</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">254</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">31%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$    721,762</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 184532910 254 0.31 721762 <div style="position: relative; float: left; width: 31%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;">  <img alt="LOGO" src="g109016g1g16t97.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 32%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: -5pt; text-align: center;"> <img alt="LOGO" src="g109016g1g11e88.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 31%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: -10pt; text-align: center;"> <img alt="LOGO" src="g109016g1g34h01.jpg"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Green Bond Fund Class R6 Shares TGRNX This annual shareholder report contains important information about the Class R6 Shares of the Nuveen Green Bond Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information athttps://www.nuveen.com/en‑us/mutual‑funds/prospectuses<span style="font-weight: bold;">.</span> You can also request this information by contacting us at (800) 257‑8787. https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class R6 Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$43 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.42%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 43 0.0042 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Green Bond Fund returned 4.49% for Class R6 Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund performed in line with the Bloomberg MSCI U.S. Green Bond Index, which returned 4.66%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top contributors to relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">An out‑of‑benchmark allocation to high-yield corporate bonds.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Security selection and an overweight to commercial mortgage-backed securities.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Out‑of‑benchmark exposure to municipal bonds and asset-backed securities.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top detractors from relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Exposure to government-agency and -credit securities, particularly emerging-markets debt.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Yield curve positioning.</div> </div> </div> <div style="font-size: 14pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="font-size: 0pt; margin-top: 0pt; margin-bottom: 1pt;"> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g33r33.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 70%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">Since Inception<br/>(11/16/18)</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class R6 Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.49%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.78%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.66%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.15%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg MSCI U.S. Green Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.66%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">0.95%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.80%</td> </tr> </table> 2018-11-16 Class R6 Shares at NAV 0.0449 0.0078 0.0266 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0215 Bloomberg MSCI U.S. Green Bond Index 0.0466 0.0095 0.0280 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 87%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">$</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">184,532,910</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">254</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">31%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">$</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">    721,762</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 184532910 254 0.31 721762 <div style="margin-top: 0pt; margin-bottom: 0pt;">  <img alt="LOGO" src="g109016g1g35r01.jpg"/> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: -5pt;"> <img alt="LOGO" src="g109016g1g35r02.jpg"/> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: -10pt;"> <img alt="LOGO" src="g109016g1g35r03.jpg"/> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Green Bond Fund Retirement Class Shares TGRMX This annual shareholder report contains important information about the Retirement Class Shares of the Nuveen Green Bond Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787. https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Retirement Class Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$68 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.67%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 68 0.0067 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Green Bond Fund returned 4.23% for Retirement Class Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund underperformed the Bloomberg MSCI U.S. Green Bond Index, which returned 4.66%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top contributors to relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">An out‑of‑benchmark allocation to high-yield corporate bonds.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Security selection and an overweight to commercial mortgage-backed securities.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Out‑of‑benchmark exposure to municipal bonds and asset-backed securities.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top detractors from relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Exposure to government-agency and -credit securities, particularly emerging-markets debt.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Yield curve positioning.</div> </div> </div> <div style="font-size: 14pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="font-size: 0pt; margin-top: 0pt; margin-bottom: 1pt;"> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g02x48.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 70%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">Since Inception<br/>(11/16/18)</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Retirement Class Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.23%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.55%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.47%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.15%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg MSCI U.S. Green Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.66%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">0.95%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.80%</td> </tr> </table> 2018-11-16 Retirement Class Shares at NAV 0.0423 0.0055 0.0247 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0215 Bloomberg MSCI U.S. Green Bond Index 0.0466 0.0095 0.0280 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 87%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$184,532,910</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">254</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">31%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$    721,762</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 184532910 254 0.31 721762 <div style="margin-top: 0pt; margin-bottom: 0pt;">  <img alt="LOGO" src="g109016g1g20m10.jpg"/> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: -5pt;"> <img alt="LOGO" src="g109016g1g09o56.jpg"/> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: -10pt;"> <img alt="LOGO" src="g109016g1g95v38.jpg"/> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen High Yield Fund Class A Shares TIYRX This annual shareholder report contains important information about the Class A Shares of the Nuveen High Yield Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at<span style="font-family: arial; font-size: 9pt; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span><span style="font-family: arial;">. You can also request this information by contacting us at (800) 257‑8787.</span> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class A Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$70 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.68%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 70 0.0068 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen High Yield Fund returned 7.17% for Class A Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund performed in line with the ICE BofA BB‑B U.S. Cash Pay High Yield Constrained Index, which returned 7.04%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top contributors to relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.59em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Security selection within the specialty retail industry, driven by an overweight to The Michaels Companies.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.59em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Security selection within the software/services industry.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.59em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Security selection within the health facilities industry.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top detractors from relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.59em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Security selection and an overweight position in the rail industry, including an overweight to Brightline East.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.59em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Security selection within the telecom – wireline integrated &amp; services industry, including an overweight to LCPR Financing.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.59em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Security selection within the building materials industry, including an overweight to Cornerstone Building Brands, Inc.</div> </div> </div> <div style="font-size: 0pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="font-size: 0pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="font-size: 0pt; margin-top: 0pt; margin-bottom: 1pt;"> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g24n01.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 76%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">10‑Year</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class A Shares at NAV (excluding maximum sales charge)</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">7.17%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">4.11%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">5.32%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class A at maximum sales charge (Offering Price)</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.04%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">3.09%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.81%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.70%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">ICE BofA BB‑B U.S. Cash Pay High Yield Constrained Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">7.04%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">3.95%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">5.67%</td> </tr> </table> Class A Shares at NAV (excluding maximum sales charge) 0.0717 0.0411 0.0532 Class A at maximum sales charge (Offering Price) 0.0204 0.0309 0.0481 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0170 ICE BofA BB‑B U.S. Cash Pay High Yield Constrained Index 0.0704 0.0395 0.0567 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 86%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$2,186,139,486</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">370</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">48%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$    7,149,632</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 2186139486 370 0.48 7149632 <div style="margin-top: 0pt; margin-bottom: 0pt;">  <img alt="LOGO" src="g109016g1g70u40.jpg"/> </div> <div style="margin-top: 0pt; margin-bottom: 0pt;">  <img alt="LOGO" src="g109016g1g95o78.jpg"/> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 9pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 9pt; text-align: left;"><span style="font-weight: bold;">Portfolio Manager Updates:</span> Effective April 1, 2025, Jean Lin retired and is no longer a portfolio manager of the Fund. Effective July 1, 2025, Kevin Lorenz retired and is no longer a portfolio manager of the Fund.</div> </td> <td style="width: 1%;"> </td> </tr> </table> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen High Yield Fund Class I Shares TIHHX This annual shareholder report contains important information about the Class I Shares of the Nuveen High Yield Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at<span style="white-space: nowrap;">h</span>ttps://www.nuveen.com/en-us/mutual-funds/prospectuses<span style="font-weight: bold;">.</span> You can also request this information by contacting us at <span style="white-space: nowrap;">(800) 257-8787.</span> https://www.nuveen.com/en-us/mutual-funds/prospectuses (800) 257-8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Costs paid as a percentage of </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment* </div> </td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class I Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$52 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.50% </td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 52 0.0050 <div style="background-color: #eff6fc; border-radius: 5pt; max-width: 100%;"> <div style="font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <div style="font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen High Yield Fund returned 7.36% for Class I Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund outperformed the ICE BofA BB‑B U.S. Cash Pay High Yield Constrained Index, which returned 7.04%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top contributors to relative performance</div> </div> </div> <div style="font-size: 3pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 3.00em; text-indent: -1.50em; font-size: 8.5pt; font-family: arial;">•  Security selection within the specialty retail industry, driven by an overweight to The Michaels Companies.</div> <div style="font-size: 3pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 3.00em; text-indent: -1.50em; font-size: 8.5pt; font-family: arial;">•  Security selection within the software/services industry.</div> <div style="font-size: 3pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 3.00em; text-indent: -1.50em; font-size: 8.5pt; font-family: arial;">•  Security selection within the health facilities industry.</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top detractors from relative performance</div> </div> </div> <div style="font-size: 3pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 3.00em; text-indent: -1.50em; font-size: 8.5pt; font-family: arial;">•  Security selection and an overweight position in the rail industry, including an overweight to Brightline East.</div> <div style="font-size: 3pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 3.00em; text-indent: -1.50em; font-size: 8.5pt; font-family: arial;">•  Security selection within the telecom – wireline integrated &amp; services industry, including an overweight to LCPR Financing.</div> <div style="font-size: 3pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 1pt; margin-left: 3.00em; text-indent: -1.50em; font-size: 8.5pt; font-family: arial;">•  Security selection within the building materials industry, including an overweight to Cornerstone Building Brands, Inc.</div> </td> </tr> </table> <div style="font-size: 14pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="font-size: 0pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> </div> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g01r73.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 76%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">10‑Year</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class I Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">7.36%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">4.27%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">5.49%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.70%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">ICE BofA BB‑B U.S. Cash Pay High Yield Constrained Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">7.04%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">3.95%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">5.67%</td> </tr> </table> Class I Shares at NAV 0.0736 0.0427 0.0549 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0170 ICE BofA BB‑B U.S. Cash Pay High Yield Constrained Index 0.0704 0.0395 0.0567 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 86%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$2,186,139,486</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">370</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">48%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$    7,149,632</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 2186139486 370 0.48 7149632 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g42v17.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 10pt;"> <img alt="LOGO" src="g109016g1g81r99.jpg"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 9pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 9pt; text-align: left;"><span style="font-weight: bold;"></span><span style="font-weight: bold;">Portfolio Manager Updates:</span> Effective April 1, 2025, Jean Lin retired and is no longer a portfolio manager of the Fund. Effective July 1, 2025, Kevin Lorenz retired and is no longer a portfolio manager of the Fund.</div> </td> <td style="width: 1%;"> </td> </tr> </table> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 4pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 4pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen High Yield Fund Premier Class Shares TIHPX This annual shareholder report contains important information about the Premier Class Shares of the Nuveen High Yield Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at<span style="font-family: arial; font-size: 9pt; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span><span style="font-family: arial;"><span style="font-weight: bold;">.</span> You can also request this information by contacting us at (800) 257‑8787.</span> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Cost of a <br/>$10,000 investment </span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of  <br/>$10,000 investment* </span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Premier Class Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$53 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.51% </td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 53 0.0051 <div style="background-color: #eff6fc; border-radius: 5pt; max-width: 100%;"> <div style="font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <div style="font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen High Yield Fund returned 7.35% for Premier Class Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund outperformed the ICE BofA BB‑B U.S. Cash Pay High Yield Constrained Index, which returned 7.04%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top contributors to relative performance</div> </div> </div> <div style="font-size: 3pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Security selection within the specialty retail industry, driven by an overweight to The Michaels Companies.</div> </div> </div> <div style="font-size: 2pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Security selection within the software/services industry.</div> </div> </div> <div style="font-size: 2pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Security selection within the health facilities industry.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top detractors from relative performance</div> </div> </div> <div style="font-size: 3pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Security selection and an overweight position in the rail industry, including an overweight to Brightline East.</div> </div> </div> <div style="font-size: 2pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Security selection within the telecom – wireline integrated &amp; services industry, including an overweight to LCPR Financing.</div> </div> </div> <div style="font-size: 2pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Security selection within the building materials industry, including an overweight to Cornerstone Building Brands, Inc.</div> </div> </div> </td> </tr> </table> <div style="font-size: 14pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> </div> Performance data shown represents past performance and does not predict or guarantee future results.  The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g11g10.jpg" style="width: 7.12111in; height: 3.91944in;"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 76%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">10‑Year</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Premier Class Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">7.35%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">4.27%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">5.47%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.70%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">ICE BofA BB‑B U.S. Cash Pay High Yield Constrained Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">7.04%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">3.95%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">5.67%</td> </tr> </table> Premier Class Shares at NAV 0.0735 0.0427 0.0547 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0170 ICE BofA BB‑B U.S. Cash Pay High Yield Constrained Index 0.0704 0.0395 0.0567 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 86%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$2,186,139,486</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">370</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">48%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$    7,149,632</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 2186139486 370 0.48 7149632 <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 9pt; width: 100%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 51%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td style="width: 48%;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 9pt;"> <td style="vertical-align: top;"> <div style="margin: 0pt 1.11em 0pt 1.11em;"> <img alt="LOGO" src="g109016g1g11y16.jpg"/> </div> </td> <td style="vertical-align: bottom;">  </td> <td style="vertical-align: top;"> <img alt="LOGO" src="g109016g1g01s43.jpg"/> </td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 9pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 9pt; text-align: left;"><span style="font-weight: bold;">Portfolio Manager Updates</span>: Effective April 1, 2025, Jean Lin retired and is no longer a portfolio manager of the Fund. Effective July 1, 2025, Kevin Lorenz retired and is no longer a portfolio manager of the Fund.</div> </td> <td style="width: 1%;"> </td> </tr> </table> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 4pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 4pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen High Yield Fund Class R6 Shares TIHYX This annual shareholder report contains important information about the Class R6 Shares of the Nuveen High Yield Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at <span style="font-family: arial; font-size: 9pt; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span><span style="font-family: arial;">. You can also request this information by contacting us at (800) 257‑8787.</span> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class R6 Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$37 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.36%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 37 0.0036 <div style="background-color: #eff6fc; border-radius: 5pt; max-width: 100%;"> <div style="font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 10pt 2% 0pt 2%;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">The Nuveen High Yield Fund returned 7.51% for Class R6 Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund outperformed the ICE BofA BB‑B U.S. Cash Pay High Yield Constrained Index, which returned 7.04%.</div> </td> <td style="width: 1%;"> </td> </tr> </table> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">Top contributors to relative performance</div> </td> <td style="width: 1%;"> </td> </tr> </table> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 5%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">Security selection within the specialty retail industry, driven by an overweight to The Michaels Companies.</div> </td> </tr> </table> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 5%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">Security selection within the software/services industry.</div> </td> </tr> </table> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 5%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">Security selection within the health facilities industry.</div> </td> </tr> </table> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">Top detractors from relative performance</div> </td> <td style="width: 1%;"> </td> </tr> </table> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 5%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">Security selection and an overweight position in the rail industry, including an overweight to Brightline East.</div> </td> </tr> </table> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 5%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">Security selection within the telecom – wireline integrated &amp; services industry, including an overweight to LCPR Financing.</div> </td> </tr> </table> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 5%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">Security selection within the building materials industry, including an overweight to Cornerstone Building Brands, Inc.</div> </td> </tr> </table> <div style="font-size: 14pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="font-size: 0pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> </div> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g35d35.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 76%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 3%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 3%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 3%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td colspan="2" style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="border-right: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="vertical-align: bottom;">  </td> <td colspan="2" style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td colspan="2" style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">10‑Year</span></td> <td style="border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class R6 Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">7.51</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">% </td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">4.40</td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;">% </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">5.62</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; white-space: nowrap; vertical-align: bottom;">% </td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">4.35</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">% </td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">0.31</td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;">% </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">1.70</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; white-space: nowrap; vertical-align: bottom;">% </td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">ICE BofA BB‑B U.S. Cash Pay High Yield Constrained Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">7.04</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">% </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">3.95</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">% </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">5.67</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; white-space: nowrap; vertical-align: bottom;">% </td> </tr> </table> Class R6 Shares at NAV 0.0751 0.0440 0.0562 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0170 ICE BofA BB‑B U.S. Cash Pay High Yield Constrained Index 0.0704 0.0395 0.0567 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 86%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">$</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">2,186,139,486</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">370</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">48%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">$</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">    7,149,632</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 2186139486 370 0.48 7149632 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g76r74.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g56s10.jpg"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 9pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 9pt; text-align: left;"><span style="font-weight: bold;">Portfolio Manager Updates:</span> Effective April 1, 2025, Jean Lin retired and is no longer a portfolio manager of the Fund. Effective July 1, 2025, Kevin Lorenz retired and is no longer a portfolio manager of the Fund.</div> </td> <td style="width: 1%;"> </td> </tr> </table> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen High Yield Fund Retirement Class Shares TIHRX This annual shareholder report contains important information about the Retirement Class Shares of the Nuveen High Yield Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at <span style="font-family: arial; font-size: 9pt; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span><span style="font-family: arial;">. You can also request this information by contacting us at (800) 257‑8787.</span> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Retirement Class Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$63 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.61%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 63 0.0061 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 10pt 2% 0pt 2%;">Performance Highlights</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">The Nuveen High Yield Fund returned 7.25% for Retirement Class Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund performed in line with the ICE BofA BB‑B U.S. Cash Pay High Yield Constrained Index, which returned 7.04%.</div> </td> <td style="width: 1%;"> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">Top contributors to relative performance</div> </td> <td style="width: 1%;"> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 5%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">Security selection within the specialty retail industry, driven by an overweight to The Michaels Companies.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 5%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">Security selection within the software/services industry.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 5%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">Security selection within the health facilities industry.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">Top detractors from relative performance</div> </td> <td style="width: 1%;"> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 5%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">Security selection and an overweight position in the rail industry, including an overweight to Brightline East.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 5%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">Security selection within the telecom – wireline integrated &amp; services industry, including an overweight to LCPR Financing.</div> </td> </tr> </table> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 5%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 8.5pt; text-align: left;">Security selection within the building materials industry, including an overweight to Cornerstone Building Brands, Inc.</div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g30c30.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 76%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 3%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 3%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 3%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td colspan="2" style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="border-right: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="vertical-align: bottom;">  </td> <td colspan="2" style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td colspan="2" style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">10‑Year</span></td> <td style="border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Retirement Class Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">7.25</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">% </td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">4.15</td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;">% </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">5.35</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; white-space: nowrap; vertical-align: bottom;">% </td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">4.35</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">% </td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">0.31</td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;">% </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">1.70</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; white-space: nowrap; vertical-align: bottom;">% </td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">ICE BofA BB‑B U.S. Cash Pay High Yield Constrained Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">7.04</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">% </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">3.95</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">% </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">5.67</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; white-space: nowrap; vertical-align: bottom;">% </td> </tr> </table> Retirement Class Shares at NAV 0.0725 0.0415 0.0535 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0170 ICE BofA BB‑B U.S. Cash Pay High Yield Constrained Index 0.0704 0.0395 0.0567 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 86%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">$</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">2,186,139,486</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">370</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">48%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">$</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">    7,149,632</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 2186139486 370 0.48 7149632 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g98o09.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g49r14.jpg"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 9pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 9pt; text-align: left;"><span style="font-weight: bold;">Portfolio Manager Updates:</span> Effective April 1, 2025, Jean Lin retired and is no longer a portfolio manager of the Fund. Effective July 1, 2025, Kevin Lorenz retired and is no longer a portfolio manager of the Fund.</div> </td> <td style="width: 1%;"> </td> </tr> </table> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen High Yield Fund Class W Shares TIHWX This annual shareholder report contains important information about the Class W Shares of the Nuveen High Yield Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at<span style="white-space: nowrap;">https://www.nuveen.com/en-us/mutual-funds/prospectuses</span><span style="font-weight: bold;">.</span> You can also request this information by contacting us at <span style="white-space: nowrap;">(800) 257-8787.</span> https://www.nuveen.com/en-us/mutual-funds/prospectuses (800) 257-8787 This report describes changes to the Fund that occurred during the reporting period. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class W Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$0 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.00%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 0 0.0000 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 9pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen High Yield Fund returned 7.90% for Class W Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund outperformed the ICE BofA BB‑B U.S. Cash Pay High Yield Constrained Index, which returned 7.04%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top contributors to relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.56em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Security selection within the specialty retail industry, driven by an overweight to The Michaels Companies.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.56em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Security selection within the software/services industry.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.56em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Security selection within the health facilities industry.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top detractors from relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.56em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Security selection and an overweight position in the rail industry, including an overweight to Brightline East.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.56em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Security selection within the telecom – wireline integrated &amp; services industry, including an overweight to LCPR Financing.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.56em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Security selection within the building materials industry, including an overweight to Cornerstone Building Brands, Inc.</div> </div> </div> <div style="font-size: 14pt; margin-top: 0pt; margin-bottom: 1pt;"> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g13r13.jpg" style="width: 7.12111in; height: 3.91944in;"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 70%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">Since Inception<br/>(9/28/18)</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class W Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">7.90%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">4.77%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.99%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.07%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">ICE BofA BB‑B U.S. Cash Pay High Yield Constrained Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">7.04%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">3.95%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.90%</td> </tr> </table> 2018-09-28 Class W Shares at NAV 0.0790 0.0477 0.0499 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0207 ICE BofA BB‑B U.S. Cash Pay High Yield Constrained Index 0.0704 0.0395 0.0490 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 85%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$ 2,186,139,486</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">370</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">48%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$     7,149,632</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 2186139486 370 0.48 7149632 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g50g05.jpg" style="width: 2.41181in; height: 2.62383in;"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g53j31.jpg" style="width: 2.41181in; height: 1.91284in;"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 12pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 9pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 9pt; text-align: left;"><span style="font-weight: bold;"></span><span style="font-weight: bold;">Portfolio Manager Updates:</span> Effective April 1, 2025, Jean Lin retired and is no longer a portfolio manager of the Fund. Effective July 1, 2025, Kevin Lorenz retired and is no longer a portfolio manager of the Fund.</div> </td> <td style="width: 1%;"> </td> </tr> </table><div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 4pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 4pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Short Duration Impact Bond Fund Class A Shares TSDBX This annual shareholder report contains important information about the Class A Shares of the Nuveen Short Duration Impact Bond Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at <span style="font-family: arial; font-size: 9pt; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span><span style="font-family: arial;">. You can also request this information by contacting us at (800) 257‑8787.</span> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class A Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$67 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.66%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 67 0.0066 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Short Duration Impact Bond Fund returned 4.26% for Class A Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund outperformed the Bloomberg U.S. 1‑3 Year Government/Credit Bond Index, which returned 3.96%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top contributors to relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">An overweight position and security selection in corporate bonds.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Out‑of‑benchmark exposure to asset-backed securities, commercial mortgage-backed securities and municipal bonds.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Overweights to government-credit and -agency securities.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top detractors from relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Yield curve positioning in U.S. Treasuries.</div> </div> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g77a01.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 70%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">Since Inception<br/>(11/16/18)</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class A Shares at NAV (excluding maximum sales charge)</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.26%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">2.27%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.79%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class A at maximum sales charge (Offering Price)</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.64%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">1.76%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.43%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.15%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. 1‑3 Year Government/Credit Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">3.96%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.04%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.49%</td> </tr> </table> 2018-11-16 Class A Shares at NAV (excluding maximum sales charge) 0.0426 0.0227 0.0279 Class A at maximum sales charge (Offering Price) 0.0164 0.0176 0.0243 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0215 Bloomberg U.S. 1‑3 Year Government/Credit Bond Index 0.0396 0.0204 0.0249 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 87%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$347,309,345</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">268</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">305%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$    469,315</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 347309345 268 3.05 469315 <div style="position: relative; float: left; width: 31%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;">  <img alt="LOGO" src="g109016g1g71k22.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 32%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: -5pt;"> <img alt="LOGO" src="g109016g1g64z33.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 31%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: -10pt;"> <img alt="LOGO" src="g109016g1g20k14.jpg"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 4pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 4pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Short Duration Impact Bond Fund Class I Shares TSDHX This annual shareholder report contains important information about the Class I Shares of the Nuveen Short Duration Impact Bond Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at<span style="font-family: arial; font-size: 9pt; color: #0071ce;"> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span><span style="font-family: arial;">. You can also request this information by contacting us at (800) 257‑8787.</span>  https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class I Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$39 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.38%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 39 0.0038 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Short Duration Impact Bond Fund returned 4.45% for Class I Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund outperformed the Bloomberg U.S. 1‑3 Year Government/Credit Bond Index, which returned 3.96%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top contributors to relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">An overweight position and security selection in corporate bonds.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Out‑of‑benchmark exposure to asset-backed securities, commercial mortgage-backed securities and municipal bonds.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Overweights to government-credit and -agency securities.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top detractors from relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Yield curve positioning in U.S. Treasuries.</div> </div> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g77a03.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 70%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">Since Inception<br/>(11/16/18)</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class I Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.45%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">2.50%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">3.03%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.15%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. 1‑3 Year Government/Credit Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">3.96%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.04%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.49%</td> </tr> </table> 2018-11-16 Class I Shares at NAV 0.0445 0.0250 0.0303 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0215 Bloomberg U.S. 1‑3 Year Government/Credit Bond Index 0.0396 0.0204 0.0249 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 87%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$347,309,345</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">268</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">305%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$    469,315</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 347309345 268 3.05 469315 <div style="position: relative; float: left; width: 31%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;">  <img alt="LOGO" src="g109016g1g49w61.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 32%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: -5pt;"> <img alt="LOGO" src="g109016g1g58c07.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 31%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: -10pt;"> <img alt="LOGO" src="g109016g1g82n67.jpg"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Short Duration Impact Bond Fund Premier Class Shares TSDFX This annual shareholder report contains important information about the Premier Class Shares of the Nuveen Short Duration Impact Bond Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787.  https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Premier Class Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$50 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.49%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 50 0.0049 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Short Duration Impact Bond Fund returned 4.54% for Premier Class Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund outperformed the Bloomberg U.S. 1‑3 Year Government/Credit Bond Index, which returned 3.96%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top contributors to relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">An overweight position and security selection in corporate bonds.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Out‑of‑benchmark exposure to asset-backed securities, commercial mortgage-backed securities and municipal bonds.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Overweights to government-credit and -agency securities.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top detractors from relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Yield curve positioning in U.S. Treasuries.</div> </div> </div> <div style="font-size: 14pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="font-size: 0pt; margin-top: 0pt; margin-bottom: 1pt;"> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results.  The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g22x63.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 70%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">Since Inception<br/>(11/16/18)</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Premier Class Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.54%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">2.43%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.94%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.15%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. 1‑3 Year Government/Credit Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">3.96%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.04%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.49%</td> </tr> </table> 2018-11-16 Premier Class Shares at NAV 0.0454 0.0243 0.0294 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0215 Bloomberg U.S. 1‑3 Year Government/Credit Bond Index 0.0396 0.0204 0.0249 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 87%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$347,309,345</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">268</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">305%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$    469,315</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 347309345 268 3.05 469315 <div style="position: relative; float: left; width: 31%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;">  <img alt="LOGO" src="g109016g1g65t35.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 32%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: -5pt;"> <img alt="LOGO" src="g109016g1g30l11.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 31%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: -10pt;"> <img alt="LOGO" src="g109016g1g47_45.jpg"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Short Duration Impact Bond Fund Class R6 Shares TSDJX This annual shareholder report contains important information about the Class R6 Shares of the Nuveen Short Duration Impact Bond Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at <span style="font-family: arial; font-size: 9pt; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span><span style="font-family: arial;">. You can also request this information by contacting us at (800) 257‑8787.</span> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class R6 Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$35 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.34%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 35 0.0034 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Short Duration Impact Bond Fund returned 4.60% for Class R6 Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund outperformed the Bloomberg U.S. 1‑3 Year Government/Credit Bond Index, which returned 3.96%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top contributors to relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">An overweight position and security selection in corporate bonds.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Out‑of‑benchmark exposure to asset-backed securities, commercial mortgage-backed securities and municipal bonds.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Overweights to government-credit and -agency securities.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top detractors from relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Yield curve positioning in U.S. Treasuries.</div> </div> </div> <div style="font-size: 14pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="font-size: 0pt; margin-top: 0pt; margin-bottom: 1pt;"> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results.  The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g22x58.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 70%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">Since Inception<br/>(11/16/18)</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class R6 Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.60%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">2.56%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">3.08%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.15%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. 1‑3 Year Government/Credit Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">3.96%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.04%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.49%</td> </tr> </table> 2018-11-16 Class R6 Shares at NAV 0.0460 0.0256 0.0308 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0215 Bloomberg U.S. 1‑3 Year Government/Credit Bond Index 0.0396 0.0204 0.0249 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 87%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$347,309,345</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">268</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">305%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$    469,315</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 347309345 268 3.05 469315 <div style="position: relative; float: left; width: 31%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;">  <img alt="LOGO" src="g109016g1g01r60.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 32%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: -5pt;"> <img alt="LOGO" src="g109016g1g02r60.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 31%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: -10pt;"> <img alt="LOGO" src="g109016g1g03r60.jpg"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Short Duration Impact Bond Fund Retirement Class Shares TSDDX This annual shareholder report contains important information about the Retirement Class Shares of the Nuveen Short Duration Impact Bond Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at <span style="font-family: arial; font-size: 9pt; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span><span style="font-family: arial;">. You can also request this information by contacting us at (800) 257‑8787.</span> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Retirement Class Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$60 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.59%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 60 0.0059 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Short Duration Impact Bond Fund returned 4.35% for Retirement Class Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund outperformed the Bloomberg U.S. 1‑3 Year Government/Credit Bond Index, which returned 3.96%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top contributors to relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">An overweight position and security selection in corporate bonds.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Out‑of‑benchmark exposure to asset-backed securities, commercial mortgage-backed securities and municipal bonds.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Overweights to government-credit and -agency securities.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top detractors from relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.700000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Yield curve positioning in U.S. Treasuries.</div> </div> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g77a02.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 70%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">Since Inception<br/>(11/16/18)</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Retirement Class Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">2.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.83%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.15%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. 1‑3 Year Government/Credit Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">3.96%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.04%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.49%</td> </tr> </table> 2018-11-16 Retirement Class Shares at NAV 0.0435 0.0231 0.0283 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0215 Bloomberg U.S. 1‑3 Year Government/Credit Bond Index 0.0396 0.0204 0.0249 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 87%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$347,309,345</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">268</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">305%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$    469,315</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 347309345 268 3.05 469315 <div style="position: relative; float: left; width: 31%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;">  <img alt="LOGO" src="g109016g1g44c38.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 32%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: -5pt;"> <img alt="LOGO" src="g109016g1g86i40.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 31%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: -10pt;"> <img alt="LOGO" src="g109016g1g38k40.jpg"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 4pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 4pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Short Term Bond Fund Class A Shares TCTRX This annual shareholder report contains important information about the Class A Shares of the Nuveen Short Term Bond Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at <span style="font-family: arial; font-size: 9pt; color: #0071ce;"> </span><span style="font-family: arial; font-size: 9pt; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span><span style="font-family: arial;">. You can also request this information by contacting us at (800) 257‑8787.</span> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class A Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$60 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.59%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 60 0.0059 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Short Term Bond Fund returned 4.17% for Class A Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund performed in line with the Bloomberg U.S. 1‑3 Year Government/Credit Bond Index, which returned 3.96%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top contributors to relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.59em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Out‑of‑benchmark exposure to mortgage-backed securities, commercial mortgage-backed securities and asset-backed securities.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.59em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">An overweight to corporate bonds.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top detractors from relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.59em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Yield curve positioning in U.S. Treasuries.</div> </div> </div> <div style="font-size: 14pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="font-size: 0pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="font-size: 0pt; margin-top: 0pt; margin-bottom: 1pt;"> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g08a08.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 76%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">10‑Year</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class A Shares at NAV (excluding maximum sales charge)</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.17%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">2.52%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.32%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class A at maximum sales charge (Offering Price)</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.56%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">2.01%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.06%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.70%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. 1‑3 Year Government/Credit Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">3.96%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.04%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.02%</td> </tr> </table> Class A Shares at NAV (excluding maximum sales charge) 0.0417 0.0252 0.0232 Class A at maximum sales charge (Offering Price) 0.0156 0.0201 0.0206 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0170 Bloomberg U.S. 1‑3 Year Government/Credit Bond Index 0.0396 0.0204 0.0202 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 86%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$1,734,899,596</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">293</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">189%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$    4,521,242</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 1734899596 293 1.89 4521242 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;">  <img alt="LOGO" src="g109016g1g11k01.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;">  <img alt="LOGO" src="g109016g1g11k02.jpg"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Short Term Bond Fund Class I Shares TCTHX This annual shareholder report contains important information about the Class I Shares of the Nuveen Short Term Bond Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information athttps://www.nuveen.com/en‑us/mutual‑funds/prospectuses<b>.</b> You can also request this information by contacting us at (800) 257‑8787. https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 32%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td style="width: 33%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Costs paid as a percentage of </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment* </div> </td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class I Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$30 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.29% </td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 30 0.0029 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Short Term Bond Fund returned 4.37% for Class I Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund outperformed the Bloomberg U.S. 1‑3 Year Government/Credit Bond Index, which returned 3.96%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top contributors to relative performance</div> </div> </div> <div style="font-size: 3pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 3.00em; text-indent: -1.50em; font-size: 8.5pt; font-family: arial;">•  Out‑of‑benchmark exposure to mortgage-backed securities, commercial mortgage-backed securities and asset-backed securities.</div> <div style="font-size: 2pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 3.00em; text-indent: -1.50em; font-size: 8.5pt; font-family: arial;">•  An overweight to corporate bonds.</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top detractors from relative performance</div> </div> </div> <div style="font-size: 2pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 3.00em; text-indent: -1.50em; font-size: 8.5pt; font-family: arial;">•  Yield curve positioning in U.S. Treasuries.</div> <div style="font-size: 14pt; margin-top: 0pt; margin-bottom: 1pt;"> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results.  The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g67c67.jpg" style="width: 7.12111in; height: 3.91944in;"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 76%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">10‑Year</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class I Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.37%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">2.75%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.56%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.70%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. 1‑3 Year Government/Credit Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">3.96%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.04%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.02%</td> </tr> </table> Class I Shares at NAV 0.0437 0.0275 0.0256 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0170 Bloomberg U.S. 1‑3 Year Government/Credit Bond Index 0.0396 0.0204 0.0202 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 86%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">$</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">1,734,899,596</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">293</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">189%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">$</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">4,521,242</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 1734899596 293 1.89 4521242 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g17k68.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;"> <img alt="LOGO" src="g109016g1g98m90.jpg"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 4pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en-us/mutual-funds/prospectuses</span> or upon request at (800) 257-8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 4pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en-us/mutual-funds/prospectuses</span> or upon request at (800) 257-8787.</div> https://www.nuveen.com/en-us/mutual-funds/prospectuses (800) 257-8787 Nuveen Short Term Bond Fund Premier Class Shares TSTPX This annual shareholder report contains important information about the Premier Class Shares of the Nuveen Short Term Bond Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at<span style="font-family: arial; font-size: 9pt; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span><span style="font-family: arial;"><span style="font-weight: bold;">.</span> You can also request this information by contacting us at (800) 257‑8787.</span> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Cost of a <br/>$10,000 investment </span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of  <br/>$10,000 investment* </span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Premier Class Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$42 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.41% </td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 42 0.0041 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 9pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Short Term Bond Fund returned 4.35% for Premier Class Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund outperformed the Bloomberg U.S. 1‑3 Year Government/Credit Bond Index, which returned 3.96%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top contributors to relative performance</div> </div> </div> <div style="font-size: 3pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Out‑of‑benchmark exposure to mortgage-backed securities, commercial mortgage-backed securities and asset-backed securities.</div> </div> </div> <div style="font-size: 2pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">An overweight to corporate bonds.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top detractors from relative performance</div> </div> </div> <div style="font-size: 3pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Yield curve positioning in U.S. Treasuries.</div> </div> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g10g60.jpg" style="width: 7.12111in; height: 3.91944in;"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 76%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">10‑Year</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Premier Class Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">2.67%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.47%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.70%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. 1‑3 Year Government/Credit Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">3.96%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.04%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.02%</td> </tr> </table> Premier Class Shares at NAV 0.0435 0.0267 0.0247 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0170 Bloomberg U.S. 1‑3 Year Government/Credit Bond Index 0.0396 0.0204 0.0202 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 86%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$1,734,899,596</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">293</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">189%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$    4,521,242</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 1734899596 293 1.89 4521242 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;">  <img alt="LOGO" src="g109016g1g21s33.jpg" style="width: 2.41181in; height: 2.43084in;"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;">  <img alt="LOGO" src="g109016g1g30c04.jpg"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div>  Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 4pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 4pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Short Term Bond Fund Class R6 Shares TISIX This annual shareholder report contains important information about the Class R6 Shares of the Nuveen Short Term Bond Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at <span style="font-family: arial; font-size: 9pt; color: #0071ce;"> </span><span style="font-family: arial; font-size: 9pt; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span><span style="font-family: arial;">. You can also request this information by contacting us at (800) 257‑8787.</span> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class R6 Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$27 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.26%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 27 0.0026 <div style="background-color: #eff6fc; border-radius: 5pt; max-width: 100%;"> <div style="font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <div style="font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Short Term Bond Fund returned 4.51% for Class R6 Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund outperformed the Bloomberg U.S. 1‑3 Year Government/Credit Bond Index, which returned 3.96%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top contributors to relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.59em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Out‑of‑benchmark exposure to mortgage-backed securities, commercial mortgage-backed securities and asset-backed securities.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.59em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">An overweight to corporate bonds.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top detractors from relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.59em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Yield curve positioning in U.S. Treasuries.</div> </div> </div> <div style="font-size: 14pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="font-size: 0pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="font-size: 0pt; margin-top: 0pt; margin-bottom: 1pt;"> </div> </td> </tr> </table> </div> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g18b18.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 76%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">10‑Year</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class R6 Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.51%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">2.82%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.62%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.70%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. 1‑3 Year Government/Credit Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">3.96%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.04%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.02%</td> </tr> </table> Class R6 Shares at NAV 0.0451 0.0282 0.0262 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0170 Bloomberg U.S. 1‑3 Year Government/Credit Bond Index 0.0396 0.0204 0.0202 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 86%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$1,734,899,596</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">293</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">189%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$    4,521,242</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 1734899596 293 1.89 4521242 <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt;">  <img alt="LOGO" src="g109016g1g77h14.jpg"/> </div> <div style="margin-top: 0pt; margin-bottom: 0pt;">  <img alt="LOGO" src="g109016g1g25t11.jpg"/> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Short Term Bond Fund Retirement Class Shares TISRX This annual shareholder report contains important information about the Retirement Class Shares of the Nuveen Short Term Bond Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at <span style="font-family: arial; font-size: 9pt; color: #0071ce;"> </span><span style="font-family: arial; font-size: 9pt; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span><span style="font-family: arial;">. You can also request this information by contacting us at (800) 257‑8787.</span> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Retirement Class Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$52 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.51%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 52 0.0051 <div style="background-color: #eff6fc; border-radius: 5pt; max-width: 100%;"> <div style="font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <div style="font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Short Term Bond Fund returned 4.25% for Retirement Class Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund outperformed the Bloomberg U.S. 1‑3 Year Government/Credit Bond Index, which returned 3.96%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top contributors to relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.59em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Out‑of‑benchmark exposure to mortgage-backed securities, commercial mortgage-backed securities and asset-backed securities.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.59em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">An overweight to corporate bonds.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top detractors from relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.59em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Yield curve positioning in U.S. Treasuries.</div> </div> </div> <div style="font-size: 14pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="font-size: 0pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="font-size: 0pt; margin-top: 0pt; margin-bottom: 1pt;"> </div> </td> </tr> </table> </div> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g14m00.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 76%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">10‑Year</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Retirement Class Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.25%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">2.57%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.37%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.70%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. 1‑3 Year Government/Credit Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">3.96%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.04%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.02%</td> </tr> </table> Retirement Class Shares at NAV 0.0425 0.0257 0.0237 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0170 Bloomberg U.S. 1‑3 Year Government/Credit Bond Index 0.0396 0.0204 0.0202 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 86%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$1,734,899,596</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">293</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">189%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$   4,521,242</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 1734899596 293 1.89 4521242 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;">  <img alt="LOGO" src="g109016g1g33d61.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;">  <img alt="LOGO" src="g109016g1g62u56.jpg"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Short Term Bond Fund Class W Shares TCTWX This annual shareholder report contains important information about the Class W Shares of the Nuveen Short Term Bond Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at<span style="font-weight: bold;"> </span><span style="font-family: arial; font-size: 9pt; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span><span style="font-family: arial;">. You can also request this information by contacting us at (800) 257‑8787.</span> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class W Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$0 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.00%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 0 0.0000 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 9pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Short Term Bond Fund returned 4.78% for Class W Shares at net asset value (NAV) for the 12 months ended March 31, 2026. The Fund outperformed the Bloomberg U.S. 1‑3 Year Government/Credit Bond Index, which returned 3.96%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top contributors to relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.56em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Out‑of‑benchmark exposure to mortgage-backed securities, commercial mortgage-backed securities and asset-backed securities.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.56em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">An overweight to corporate bonds.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Top detractors from relative performance</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 0.56em; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.500000em; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.150000em; font-family: arial;">Yield curve positioning in U.S. Treasuries.</div> </div> </div> <div style="font-size: 14pt; margin-top: 0pt; margin-bottom: 1pt;"> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin: 0pt 2% 0pt 2%;"> <img alt="LOGO" src="g109016g1g07c07.jpg" style="width: 7.12111in; height: 3.91944in;"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 70%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">Since Inception<br/>(9/28/18)</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class W Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.78%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">3.11%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">3.28%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.07%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. 1‑3 Year Government/Credit Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">3.96%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.04%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.49%</td> </tr> </table> 2018-09-28 Class W Shares at NAV 0.0478 0.0311 0.0328 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0207 Bloomberg U.S. 1‑3 Year Government/Credit Bond Index 0.0396 0.0204 0.0249 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 85%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$1,734,899,596</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">293</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">189%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$    4,521,242</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 1734899596 293 1.89 4521242 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g20x25.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g82n49.jpg"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 12pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 12pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Short Term Bond Index Fund Class A Shares TRSHX This annual shareholder report contains important information about the Class A Shares of the Nuveen Short Term Bond Index Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses<b>.</b> You can also request this information by contacting us at (800) 257‑8787.  https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Costs paid as a percentage of</div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment*</div> </td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class A Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$40 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.39%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 40 0.0039 <div style="background-color: #eff6fc; border-radius: 5pt; max-width: 100%;"> <div style="font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <div style="font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Short Term Bond Index Fund’s total return for Class A Shares at net asset value (NAV) was 3.67% for the 12 months ended March 31, 2026. The Fund’s index, the Bloomberg U.S. 1‑3 Year Government/Credit Bond Index, returned 3.96%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The difference between the Fund’s total return at NAV and that of the index is attributable to management fees and other expenses incurred by the Fund that are not incurred by the index.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Fund had a risk profile similar to that of its benchmark. As such, there were no material contributors or detractors relative to the Fund’s benchmark during the period.</div> </div> </div> </td> </tr> </table> <div style="font-size: 14pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="font-size: 0pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> </div> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g76l93.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 76%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: center;">10‑Year</div> </td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class A Shares at NAV (excluding maximum sales charge)</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">3.67%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">1.67%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.59%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class A at maximum sales charge (Offering Price)</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.05%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">1.15%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.33%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.70%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. 1‑3 Year Government/Credit Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">3.96%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.04%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.02%</td> </tr> </table> Class A Shares at NAV (excluding maximum sales charge) 0.0367 0.0167 0.0159 Class A at maximum sales charge (Offering Price) 0.0105 0.0115 0.0133 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0170 Bloomberg U.S. 1‑3 Year Government/Credit Bond Index 0.0396 0.0204 0.0202 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 86%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$2,448,172,264</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">995</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">63%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$    1,236,379</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 2448172264 995 0.63 1236379 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g46n68.jpg" style="width: 2.41181in; height: 1.92825in;"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;"> <img alt="LOGO" src="g109016g1g13x19.jpg" style="width: 2.41181in; height: 2.04195in;"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 9pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 9pt; text-align: left;"><span style="font-weight: bold;">Portfolio manager updates</span>: Effective January 23, 2026, Joseph Spinelli was added as a portfolio manager of the Fund and Vivian Liu was removed as a portfolio manager of the Fund.</div> </td> <td style="width: 1%;"> </td> </tr> </table> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Short Term Bond Index Fund Class I Shares TTBHX This annual shareholder report contains important information about the Class I Shares of the Nuveen Short Term Bond Index Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787.  https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Costs paid as a percentage of </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment* </div> </td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class I Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$19 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.19% </td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 19 0.0019 <div style="background-color: #eff6fc; border-radius: 5pt; max-width: 100%;"> <div style="font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <div style="font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Short Term Bond Index Fund’s total return for Class I Shares at net asset value (NAV) was 3.87% for the 12 months ended March 31, 2026. The Fund’s index, the Bloomberg U.S. 1‑3 Year Government/Credit Bond Index, returned 3.96%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The difference between the Fund’s total return at NAV and that of the index is attributable to management fees and other expenses incurred by the Fund that are not incurred by the index.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Fund had a risk profile similar to that of its benchmark. As such, there were no material contributors or detractors relative to the Fund’s benchmark during the period.</div> </div> </div> <div style="font-size: 14pt; margin-top: 0pt; margin-bottom: 1pt;"> </div> </td> </tr> </table> </div> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g01a97.jpg" style="width: 7.12111in; height: 3.91944in;"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 76%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">10‑Year</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class I Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">3.87%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">1.87%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.81%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.70%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. 1‑3 Year Government/Credit Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">3.96%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.04%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.02%</td> </tr> </table> Class I Shares at NAV 0.0387 0.0187 0.0181 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0170 Bloomberg U.S. 1‑3 Year Government/Credit Bond Index 0.0396 0.0204 0.0202 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 86%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">$</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">2,448,172,264</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">995</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">63%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">$</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">1,236,379</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 2448172264 995 0.63 1236379 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g29c50.jpg" style="width: 2.41181in; height: 1.92825in;"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;"> <img alt="LOGO" src="g109016g1g39d75.jpg" style="width: 2.41181in; height: 2.04195in;"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 9pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 9pt; text-align: left;"><span style="font-weight: bold;">Portfolio manager updates: </span>Effective January 23, 2026, Joseph Spinelli was added as a portfolio manager of the Fund and Vivian Liu was removed as a portfolio manager of the Fund.</div> </td> <td style="width: 1%;"> </td> </tr> </table><div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 12pt 2% 0pt 2%;"><span style="font-weight: bold;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at </span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span></span><span style="font-family: arial;"><span style="font-weight: bold;"> or upon request at (800) 257‑8787. </span></span></div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 12pt 2% 0pt 2%;"><span style="font-weight: bold;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at </span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span></span><span style="font-family: arial;"><span style="font-weight: bold;"> or upon request at (800) 257‑8787. </span></span></div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Short Term Bond Index Fund Premier Class Shares TPSHX This annual shareholder report contains important information about the Premier Class Shares of the Nuveen Short Term Bond Index Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at <span style="font-family: arial; font-size: 9pt; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span><span style="font-family: arial;"><span style="font-weight: bold;">.</span> You can also request this information by contacting us at (800) 257‑8787.</span> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Cost of a <br/>$10,000 investment </span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of  <br/>$10,000 investment* </span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Premier Class Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$24 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.24% </td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 24 0.0024 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Short Term Bond Index Fund’s total return for Premier Class Shares at net asset value (NAV) was 3.72% for the 12 months ended March 31, 2026. The Fund’s index, the Bloomberg U.S. 1-3 Year Government/Credit Bond Index, returned 3.96%.</div> </div> </div> <div style="font-size: 3pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The difference between the Fund’s total return at NAV and that of the index is attributable to management fees and other expenses incurred by the Fund that are not incurred by the index.</div> </div> </div> <div style="font-size: 3pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Fund had a risk profile similar to that of its benchmark. As such, there were no material contributors or detractors relative to the Fund’s benchmark during the period.</div> </div> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g01a45.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 76%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">10‑Year</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Premier Class Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">3.72%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">1.83%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.75%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.70%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. 1‑3 Year Government/Credit Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">3.96%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.04%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.02%</td> </tr> </table> Premier Class Shares at NAV 0.0372 0.0183 0.0175 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0170 Bloomberg U.S. 1‑3 Year Government/Credit Bond Index 0.0396 0.0204 0.0202 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 86%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$2,448,172,264</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">995</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">63%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$    1,236,379</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 2448172264 995 0.63 1236379 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;">  <img alt="LOGO" src="g109016g1g70l38.jpg" style="width: 2.41181in; height: 1.92825in;"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;"> <img alt="LOGO" src="g109016g1g85i90.jpg" style="width: 2.41181in; height: 2.04195in;"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div>  Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 9pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 9pt; text-align: left;"><span style="font-weight: bold;">Portfolio manager updates</span>: Effective January 23, 2026, Joseph Spinelli was added as a portfolio manager of the Fund and Vivian Liu was removed as a portfolio manager of the Fund.</div> </td> <td style="width: 1%;"> </td> </tr> </table> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 4pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 4pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Short Term Bond Index Fund Class R6 Shares TNSHX This annual shareholder report contains important information about the Class R6 Shares of the Nuveen Short Term Bond Index Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information athttps://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787. https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 1pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class R6 Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$7 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.07%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 7 0.0007 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Short Term Bond Index Fund’s total return for Class R6 Shares at net asset value (NAV) was 3.89% for the 12 months ended March 31, 2026. The Fund’s index, the Bloomberg U.S. 1‑3 Year Government/Credit Bond Index, returned 3.96%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The difference between the Fund’s total return at NAV and that of the index is attributable to management fees and other expenses incurred by the Fund that are not incurred by the index.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Fund had a risk profile similar to that of its benchmark. As such, there were no material contributors or detractors relative to the Fund’s benchmark during the period.</div> </div> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results.  The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g01a41.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 76%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">10‑Year</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class R6 Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">3.89%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">2.00%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.93%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">1.70%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. 1‑3 Year Government/Credit Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">3.96%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.04%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.02%</td> </tr> </table> Class R6 Shares at NAV 0.0389 0.0200 0.0193 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0170 Bloomberg U.S. 1‑3 Year Government/Credit Bond Index 0.0396 0.0204 0.0202 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 86%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$2,448,172,264</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">995</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">63%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$    1,236,379</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 2448172264 995 0.63 1236379 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;">  <img alt="LOGO" src="g109016g1g43r01.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g43r02.jpg"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 9pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 9pt; text-align: left;"><span style="font-weight: bold;">Portfolio manager updates</span>: Effective January 23, 2026, Joseph Spinelli was added as a portfolio manager of the Fund and Vivian Liu was removed as a portfolio manager of the Fund.</div> </td> <td style="width: 1%;"> </td> </tr> </table> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 4pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 4pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Short Term Bond Index Fund Retirement Class Shares TESHX This annual shareholder report contains important information about the Retirement Class Shares of the Nuveen Short Term Bond Index Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at <span style="font-family: arial; font-size: 9pt; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span><span style="font-family: arial;">. You can also request this information by contacting us at (800) 257‑8787.</span> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 32%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td style="width: 33%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Costs paid as a percentage of </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment* </div> </td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Retirement Class Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$33 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.32% </td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 33 0.0032 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Short Term Bond Index Fund’s total return for Retirement Class Shares at net asset value (NAV) was 3.64% for the 12 months ended March 31, 2026. The Fund’s index, the Bloomberg U.S. 1‑3 Year Government/Credit Bond Index, returned 3.96%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The difference between the Fund’s total return at NAV and that of the index is attributable to management fees and other expenses incurred by the Fund that are not incurred by the index.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Fund had a risk profile similar to that of its benchmark. As such, there were no material contributors or detractors relative to the Fund’s benchmark during the period.</div> </div> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g01r55.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 76%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 3%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 3%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 3%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td colspan="2" style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="border-right: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="vertical-align: bottom;">  </td> <td colspan="2" style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td colspan="2" style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: center;">10‑Year</div> </td> <td style="border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Retirement Class Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">3.64</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">% </td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">1.75</td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;">% </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">1.67</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; white-space: nowrap; vertical-align: bottom;">% </td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">4.35</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">% </td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">0.31</td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;">% </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; white-space: nowrap; vertical-align: bottom; text-align: right;">1.70</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; white-space: nowrap; vertical-align: bottom;">% </td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="4" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. 1‑3 Year Government/Credit Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">3.96</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">% </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">2.04</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">% </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">2.02</td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; white-space: nowrap; vertical-align: bottom;">% </td> </tr> </table> Retirement Class Shares at NAV 0.0364 0.0175 0.0167 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0170 Bloomberg U.S. 1‑3 Year Government/Credit Bond Index 0.0396 0.0204 0.0202 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 86%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">$</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">2,448,172,264</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">995</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">63%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;">$</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">1,236,379</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 2448172264 995 0.63 1236379 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g86g91.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;"> <img alt="LOGO" src="g109016g1g77m62.jpg"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 9pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 9pt; text-align: left;"><span style="font-weight: bold;">Portfolio manager updates:</span> Effective January 23, 2026, Joseph Spinelli was added as a portfolio manager of the Fund and Vivian Liu was removed as a portfolio manager of the Fund.</div> </td> <td style="width: 1%;"> </td> </tr> </table> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 4pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 4pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Short Term Bond Index Fund Class W Shares TTBWX This annual shareholder report contains important information about the Class W Shares of the Nuveen Short Term Bond Index Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at <span style="font-family: arial; font-size: 9pt; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span><span style="font-family: arial;">. You can also request this information by contacting us at (800) 257‑8787.</span> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class W Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$0 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.00%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 0 0.0000 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How did the Fund perform last year? What affected the Fund’s performance? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8.5pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 100%;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8.5pt;"> <td style="vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 9pt; font-family: arial; font-weight: bold;">Performance Highlights</div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Nuveen Short Term Bond Index Fund’s total return for Class W Shares at net asset value (NAV) was 3.96% for the 12 months ended March 31, 2026. The Fund’s index, the Bloomberg U.S. 1‑3 Year Government/Credit Bond Index, returned 3.96%.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">Despite the effect of certain expenses incurred by the Fund that are not incurred by the benchmark index, the Fund’s return at NAV matched that of the index.</div> </div> </div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; display: table-row;"> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial;">•</div> </div> <div style="display: table-cell;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.147059em; font-family: arial;">The Fund had a risk profile similar to that of its benchmark. As such, there were no material contributors or detractors relative to the Fund’s benchmark during the period.</div> </div> </div> </td> </tr> </table> Performance data shown represents past performance and does not predict or guarantee future results. The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares. <div style="margin-top: 0pt; margin-bottom: 0pt; text-align: center;"> <img alt="LOGO" src="g109016g1g27c27.jpg"/> </div> <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 12pt 2% 0pt 2%;">Average Annual Total Returns</div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 70%;"></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> <td></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: top;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">1‑Year</span></td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">5‑Year</span></td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: center;"><span style="font-weight: bold;">Since Inception<br/>(9/28/18)</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class W Shares at NAV</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">3.96%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">2.08%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.51%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. Aggregate Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">4.35%</td> <td style="vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; vertical-align: bottom; white-space: nowrap; text-align: center;">0.31%</td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.07%</td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Bloomberg U.S. 1‑3 Year Government/Credit Bond Index</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">3.96%</td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.04%</td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: center;">2.49%</td> </tr> </table> 2018-09-28 Class W Shares at NAV 0.0396 0.0208 0.0251 Bloomberg U.S. Aggregate Bond Index 0.0435 0.0031 0.0207 Bloomberg U.S. 1‑3 Year Government/Credit Bond Index 0.0396 0.0204 0.0249 For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 86%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$2,448,172,264</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">995</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Portfolio turnover (%)</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">63%</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$    1,236,379</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 2448172264 995 0.63 1236379 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g98p94.jpg"/> </div> </div> <div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin: 0pt 10pt 0pt 10pt;"> <img alt="LOGO" src="g109016g1g41q50.jpg"/> </div> </div> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"><sup style="font-size: 75%; vertical-align: top;">(1)</sup> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.</div> Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard &amp; Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 9pt; border-spacing: 0px; width: 100%;"> <tr style="page-break-inside: avoid;"> <td style="width: 2%;"> </td> <td style="width: 2%; vertical-align: top; text-align: left;">•</td> <td style="width: 1%; vertical-align: top;"> </td> <td style="vertical-align: top; text-align: left;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 9pt; text-align: left;"><span style="font-weight: bold;">Portfolio manager updates:</span> Effective January 23, 2026, Joseph Spinelli was added as a portfolio manager of the Fund and Vivian Liu was removed as a portfolio manager of the Fund.</div> </td> <td style="width: 1%;"> </td> </tr> </table> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 4pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 4pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Money Market Fund Class A Shares TIRXX This annual shareholder report contains important information about the Class A Shares of the Nuveen Money Market Fund for the period of April 1, 2025 to March 31, 2026. annual shareholder report You can find additional information at <span style="font-family: arial; font-size: 9pt; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span><span style="font-family: arial;">. You can also request this information by contacting us at (800) 257‑8787.</span> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class A Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$46 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.45%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 46 0.0045 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 86%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$2,026,725,366</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">73</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$    2,106,457</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 2026725366 73 2106457 <div style="margin: 0pt 2% 0pt 2%;"> <img alt="LOGO" src="g109016g1g30i73.jpg"/> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://</span><span style="font-family: arial; color: #0071ce;">www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://</span><span style="font-family: arial; color: #0071ce;">www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Money Market Fund Class I Shares TMHXX This annual shareholder report contains important information about the Class I Shares of the Nuveen Money Market Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses<b>.</b> You can also request this information by contacting us at (800) 257‑8787.  https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class I Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$15 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.15%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 15 0.0015 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 86%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$2,026,725,366</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">73</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$    2,106,457</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 2026725366 73 2106457 <div style="margin: 0pt 2% 0pt 2%;"> <img alt="LOGO" src="g109016g1g86p97.jpg"/> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 4pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 4pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Money Market Fund Premier Class Shares TPPXX This annual shareholder report contains important information about the Premier Class Shares of the Nuveen Money Market Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at<span style="white-space: nowrap;">https://www.nuveen.com/en-us/mutual-funds/prospectuses</span><span style="font-weight: bold;">.</span> You can also request this information by contacting us at <span style="white-space: nowrap;">(800) 257-8787.</span> https://www.nuveen.com/en-us/mutual-funds/prospectuses (800) 257-8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="border-top: 0.75pt solid #7fb8e6; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of <br/>$10,000 investment*</span></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Premier Class Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="border-top: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$28 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.27%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 28 0.0027 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 86%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$2,026,725,366</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">73</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$    2,106,457</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 2026725366 73 2106457 <div style="margin: 0pt 2% 0pt 2%;"> <img alt="LOGO" src="g109016g1g87f58.jpg"/> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Money Market Fund Class R6 Shares TCIXX This annual shareholder report contains important information about the Class R6 Shares of the Nuveen Money Market Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report You can find additional information at <span style="font-family: arial; font-size: 9pt; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span><span style="font-family: arial;">. You can also request this information by contacting us at (800) 257‑8787.</span> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Class R6 Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$12 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.12%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 12 0.0012 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 86%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$2,026,725,366</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">73</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$    2,106,457</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 2026725366 73 2106457 <div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"> <div style="margin-top: 0pt; margin-bottom: 0pt;">  <img alt="LOGO" src="g109016g1g01k06.jpg"/> </div> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Nuveen Money Market Fund Retirement Class Shares TIEXX This annual shareholder report contains important information about the Retirement Class Shares of the Nuveen Money Market Fund for the period of April 1, 2025 to<span style="font-weight: bold;"> </span>March 31, 2026. annual shareholder report  You can find additional information at<span style="white-space: nowrap;">https://www.nuveen.com/en-us/mutual-funds/prospectuses</span>. You can also request this information by contacting us at <span style="white-space: nowrap;">(800) 257-8787.</span> https://www.nuveen.com/en-us/mutual-funds/prospectuses (800) 257-8787 <div style="font-size: 9pt; font-family: arial; font-weight: bold; margin: 6pt 2% 0pt 2%;">This report describes changes to the Fund that occurred during the reporting period.</div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">What were the Fund costs for the last year? </span></span><span style="font-family: arial;">(based on a hypothetical $10,000 investment)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 33%;"></td> <td style="vertical-align: bottom;"></td> <td style="width: 32%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="vertical-align: bottom;"> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"> <div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">Cost of a </div> <div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;">$10,000 investment </div> </td> <td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"><span style="font-weight: bold;">Costs paid as a percentage of<br/>$10,000 investment*</span></td> </tr> <tr style="font-size: 1pt;"> <td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"> </td> <td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"> </td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Retirement Class Shares</div> </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;">$38 </td> <td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;">0.37%</td> </tr> </table> <div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;">* Annualized for period less than one year.</div> 38 0.0037 <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">Fund Statistics </span></span><span style="font-family: arial;">(as of March 31, 2026)</span><span style="font-family: arial; color: #0071ce;"><span style="font-weight: bold;"> </span></span></div> <table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"> <tr> <td style="width: 86%;"></td> <td style="vertical-align: bottom; width: 1%;"></td> <td></td> <td></td> <td style="vertical-align: bottom; width: 2%;"></td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Fund net assets</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$2,026,725,366</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total number of portfolio holdings</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">73</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> <tr style="font-size: 1pt;"> <td style="height: 3pt;"></td> <td colspan="4" style="height: 3pt;"></td> </tr> <tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;">Total management fees paid for the year</div> </td> <td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;">  </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;">$    2,106,457</td> <td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"> </td> </tr> </table> 2026725366 73 2106457 <div style="margin: 0pt 2% 0pt 2%;"> <img alt="LOGO" src="g109016g1g11r83.jpg"/> </div> <div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"><span style="color: #0071ce;"><span style="font-weight: bold;">How has the Fund changed? </span></span></div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> <div style="font-size: 8pt; font-family: arial; font-weight: bold; text-align: justify; margin: 6pt 2% 0pt 2%;">For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at <span style="font-family: arial; color: #0071ce;">https://www.nuveen.com/en‑us/mutual‑funds/prospectuses</span> or upon request at (800) 257‑8787.</div> https://www.nuveen.com/en‑us/mutual‑funds/prospectuses (800) 257‑8787 Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice.  Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Affiliated investment. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Annualized for period less than one year. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Annualized for period less than one year. Annualized for period less than one year. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Annualized for period less than one year. Annualized for period less than one year. Annualized for period less than one year. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Annualized for period less than one year. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Annualized for period less than one year. Annualized for period less than one year. Annualized for period less than one year. Annualized for period less than one year. Annualized for period less than one year. Annualized for period less than one year. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Annualized for period less than one year. Annualized for period less than one year. Annualized for period less than one year. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Annualized for period less than one year. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Annualized for period less than one year. Affiliated investment. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Annualized for period less than one year. Annualized for period less than one year. Annualized for period less than one year. Annualized for period less than one year. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Annualized for period less than one year. Annualized for period less than one year. Annualized for period less than one year. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Annualized for period less than one year. Annualized for period less than one year. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Annualized for period less than one year. Affiliated investment. Annualized for period less than one year. Annualized for period less than one year. Annualized for period less than one year. Annualized for period less than one year. Annualized for period less than one year. Annualized for period less than one year. Annualized for period less than one year. Affiliated investment.  Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Annualized for period less than one year. Annualized for period less than one year. Annualized for period less than one year. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Annualized for period less than one year. Annualized for period less than one year. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Annualized for period less than one year. Annualized for period less than one year. Annualized for period less than one year. Annualized for period less than one year. Affiliated investment. Affiliated investment. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Annualized for period less than one year. Annualized for period less than one year. Annualized for period less than one year. Annualized for period less than one year. Annualized for period less than one year. Annualized for period less than one year. Annualized for period less than one year. Annualized for period less than one year. Annualized for period less than one year. Annualized for period less than one year. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Annualized for period less than one year. Affiliated investment. Affiliated investment. Annualized for period less than one year. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Annualized for period less than one year. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Credit quality ratings are based on the Bloomberg Barclays methodology, which uses the median rating of those compiled by the Moody’s, Standard & Poor’s and Fitch ratings agencies. If ratings are available from only two of these agencies, the lower rating is used. When only one rating is available, that one is used. These ratings are subject to change without notice. Annualized for period less than one year. Affiliated investment. Annualized for period less than one year. Affiliated investment. Affiliated investment. Affiliated investment.