UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM
CERTIFIED SHAREHOLDER REPORT OF REGISTERED
MANAGEMENT INVESTMENT COMPANIES
| Investment Company Act file number | 811‑09301 | |||
(Exact name of registrant as specified in charter)
730 Third Avenue
New York, New York 10017-3206
(Address of principal executive offices) (Zip code)
John M. McCann, Esq.
TIAA-CREF Funds
8500 Andrew Carnegie Boulevard
Charlotte, North Carolina 28262
(Name and address of agent for service)
Registrant’s telephone number, including area code: (800) 842‑2733
Date of fiscal year end: March 31
Date of reporting period: March 31, 2026
| Item 1. | Reports to Stockholders. |
 |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Class A Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • 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. • 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. |
| 1 | continued>> |
How did the Fund perform over the last 10 years?
Fund Performance (April 1, 2016 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | 10‑Year | ||||
| |
( |
|||||
| |
( |
|||||
| |
||||||
Class A Shares at Offering Price reflect a maximum up‑front sales charge of 5.75% applicable to the purchase of Class A shares, which was effective as of May 6, 2024.
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
(1) 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.
How has the Fund changed?
| • | Portfolio manager updates: 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. |
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
| 3 | continued>> |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87245M616_AR_0326 5347247 |
 |
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Class I Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • 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. • 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. |
| 1 | continued>> |
How did the Fund perform over the last 10 years?
Fund Performance (April 1, 2016 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | 10‑Year | ||||
| |
||||||
| |
||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
 |
 |
(1) 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.
How has the Fund changed?
| • | Portfolio manager updates: 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. |
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87245P692_AR_0326 5347247 |
|
| 3 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Premier Class Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • 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. • 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. |
| 1 | continued>> |
How did the Fund perform over the last 10 years?
Fund Performance (April 1, 2016 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | 10‑Year | ||||
| |
||||||
| |
||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
(1) 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.
How has the Fund changed?
| • | Portfolio manager updates: 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. |
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
| 3 | continued>> |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87245M590_AR_0326 5347247 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Retirement Class Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • 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. • 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. |
| 1 | continued>> |
How did the Fund perform over the last 10 years?
Fund Performance (April 1, 2016 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | 10‑Year | ||||
| |
||||||
| |
||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
(1) 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.
How has the Fund changed?
| • | Portfolio manager updates: 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. |
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87245M855_AR_0326 5347247 |
|
| 3 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Class R6 Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • 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. • 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. |
| 1 | continued>> |
How did the Fund perform over the last 10 years?
Fund Performance (April 1, 2016 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | 10‑Year | ||||
| |
||||||
| |
||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
(1) 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.
How has the Fund changed?
| • | Portfolio manager updates: 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. |
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87245M848_AR_0326 5347247 |
|
| 3 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Class W Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • 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. • 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. |
| 1 | continued>> |
How did the Fund perform over the period since inception?
Fund Performance (September 28, 2018 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | Since Inception ( | ||||
| |
||||||
| |
||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
(1) 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.
How has the Fund changed?
| • | Portfolio manager updates: 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. |
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87245P411_AR_0326 5347247 |
 |
| 3 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Class A Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • Top contributors to relative performance • 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. • Out‑of‑benchmark exposure to non‑agency mortgage-backed securities and an overweight to emerging-markets debt. • Security selection, especially within investment-grade corporate bonds and commercial mortgage-backed securities. • Top detractors from relative performance • Yield curve positioning. |
| 1 | continued>> |
How did the Fund perform over the last 10 years?
Fund Performance (April 1, 2016 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | 10‑Year | ||||
| |
||||||
| |
( |
|||||
| |
||||||
Class A Shares at Offering Price reflect a maximum up‑front sales charge of 5.75% applicable to the purchase of Class A shares, which was effective as of May 6, 2024.
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
(1) Affiliated investment.
(2) 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.
How has the Fund changed?
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
| 3 |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 886315712_AR_0326 5347258 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Class I Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • Top contributors to relative performance • 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. • Out‑of‑benchmark exposure to non‑agency mortgage-backed securities and an overweight to emerging-markets debt. • Security selection, especially within investment-grade corporate bonds and commercial mortgage-backed securities. • Top detractors from relative performance • Yield curve positioning. |
| 1 | continued>> |
How did the Fund perform over the last 10 years?
Fund Performance (April 1, 2016 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | 10‑Year | ||||||||||
| |
% | % | % | |||||||||
| |
% | % | % | |||||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
(1) Affiliated investment.
(2) 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.
How has the Fund changed?
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
| 3 | continued>> |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87245P718_AR_0326 5347258 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Premier Class Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • Top contributors to relative performance • 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. • Out‑of‑benchmark exposure to non‑agency mortgage-backed securities and an overweight to emerging-markets debt. • Security selection, especially within investment-grade corporate bonds and commercial mortgage-backed securities. • Top detractors from relative performance • Yield curve positioning. |
| 1 | continued>> |
How did the Fund perform over the last 10 years?
Fund Performance (April 1, 2016 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | 10‑Year | ||||
| |
||||||
| |
||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
(1) Affiliated investment.
(2) 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.
How has the Fund changed?
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectu ses or upon request at (800) 257‑8787 .
| 3 | continued>> |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87245M491_AR_0326 5347258 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Class R6 Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • Top contributors to relative performance • 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. • Out‑of‑benchmark exposure to non‑agency mortgage-backed securities and an overweight to emerging-markets debt. • Security selection, especially within investment-grade corporate bonds and commercial mortgage-backed securities. • Top detractors from relative performance • Yield curve positioning. |
| 1 | continued>> |
How did the Fund perform over the last 10 years?
Fund Performance (April 1, 2016 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | 10‑Year | ||||
| |
||||||
| |
||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
(1) Affiliated investment.
(2) 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.
| 3 | continued>> |
How has the Fund changed?
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87244W607_AR_0326 5347258 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Retirement Class Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • Top contributors to relative performance • 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. • Out‑of‑benchmark exposure to non‑agency mortgage-backed securities and an overweight to emerging-markets debt. • Security selection, especially within investment-grade corporate bonds and commercial mortgage-backed securities. • Top detractors from relative performance • Yield curve positioning. |
| 1 | continued>> |
How did the Fund perform over the last 10 years?
Fund Performance (April 1, 2016 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | 10‑Year | ||||
| |
||||||
| |
||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
|
$ |
| |
What did the Fund invest in? (as of March 31, 2026)
(1) Affiliated investment.
(2) 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.
How has the Fund changed?
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
| 3 |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 886315720_AR_0326 5347258 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Class W Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • Top contributors to relative performance • 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. • Out‑of‑benchmark exposure to non‑agency mortgage-backed securities and an overweight to emerging-markets debt. • Security selection, especially within investment-grade corporate bonds and commercial mortgage-backed securities. • Top detractors from relative performance • Yield curve positioning. |
| 1 | continued>> |
How did the Fund perform over the period since inception?
Fund Performance (September 28, 2018 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | Since Inception ( |
||||||||||
| |
||||||||||||
| |
% | % | % | |||||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
(1) Affiliated investment.
(2) 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.
How has the Fund changed?
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
| 3 |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87245P429_AR_0326 5347258 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Class A Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • Top contributors to relative performance • 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. • Security selection within investment-grade corporate bonds and commercial mortgage-backed securities (CMBS). • An out‑of‑benchmark allocation to municipal bonds, as well as overweights to government credit securities, CMBS, and asset‑backed securities. • Top detractors from relative performance • Yield curve positioning. |
| 1 | continued>> |
How did the Fund perform over the last 10 years?
Fund Performance (April 1, 2016 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | 10‑Year | ||||
| |
||||||
| |
( |
|||||
| |
||||||
Class A Shares at Offering Price reflect a maximum up‑front sales charge of 5.75% applicable to the purchase of Class A shares, which was effective as of May 6, 2024.
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
(1) 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.
How has the Fund changed?
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
| 3 | continued>> |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87245R714_AR_0326 5347266 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Class I Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • Top contributors to relative performance • 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. • Security selection within investment-grade corporate bonds and commercial mortgage-backed securities (CMBS). • An out‑of‑benchmark allocation to municipal bonds, as well as overweights to government credit securities, CMBS, and asset-backed securities. • Top detractors from relative performance • Yield curve positioning. |
| 1 | continued>> |
How did the Fund perform over the last 10 years?
Fund Performance (April 1, 2016 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | 10‑Year | ||||
| |
||||||
| |
||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ | |||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ | |||
What did the Fund invest in? (as of March 31, 2026)
(1) 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.
How has the Fund changed?
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
| 3 | continued>> |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87245P635_AR_0326 5347266 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Premier Class Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • Top contributors to relative performance • 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. • Security selection within investment-grade corporate bonds and commercial mortgage-backed securities (CMBS). • An out‑of‑benchmark allocation to municipal bonds, as well as overweights to government credit securities, CMBS, and asset-backed securities. • Top detractors from relative performance • Yield curve positioning. |
| 1 | continued>> |
How did the Fund perform over the last 10 years?
Fund Performance (April 1, 2016 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | 10‑Year | ||||
| |
||||||
| |
||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ | |||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ | |||
What did the Fund invest in? (as of March 31, 2026)
(1) 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.
How has the Fund changed?
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
| 3 | continued>> |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87245R680_AR_0326 5347266 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Class R6 Shares |
$ |
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • Top contributors to relative performance • 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. • Security selection within investment-grade corporate bonds and commercial mortgage-backed securities (CMBS). • An out‑of‑benchmark allocation to municipal bonds, as well as overweights to government credit securities, CMBS, and asset-backed securities. • Top detractors from relative performance • Yield curve positioning. |
| 1 | continued>> |
How did the Fund perform over the last 10 years?
Fund Performance (April 1, 2016 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | 10‑Year | ||||
| |
||||||
| |
||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
(1) 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.
How has the Fund changed?
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en-us/mutual-funds/prospectuses or upon request at (800) 257‑8787 .
| 3 | continued>> |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87245R672_AR_0326 5347266 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Retirement Class Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • Top contributors to relative performance • 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. • Security selection within investment-grade corporate bonds and commercial mortgage-backed securities (CMBS). • An out‑of‑benchmark allocation to municipal bonds, as well as overweights to government credit securities, CMBS, and asset-backed securities. • Top detractors from relative performance • Yield curve positioning. |
| 1 | continued>> |
How did the Fund perform over the last 10 years?
Fund Performance (April 1, 2016 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | 10‑Year | ||||
| |
||||||
| |
||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
(1) 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.
How has the Fund changed?
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
| 3 | continued>> |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87245R698_AR_0326 5347266 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Class A Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
Performance Highlights
| • | 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%. |
| • | Top contributors to relative performance |
| • | 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. |
| • | An overweight to emerging-markets debt and out‑of‑benchmark exposure to non‑agency mortgage-backed securities. |
| • | Security selection, especially within corporate bonds and commercial mortgage-backed securities. |
| • | Top detractors from relative performance |
| • | Yield curve positioning. |
| 1 | continued>> |
How did the Fund perform over the last 10 years?
Fund Performance (April 1, 2016 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | 10‑Year | ||||||||||
| |
% | % | % | |||||||||
| |
% | ( |
)% | % | ||||||||
| |
% | % | % | |||||||||
Class A Shares at Offering Price reflect a maximum up‑front sales charge of 5.75% applicable to the purchase of Class A shares, which was effective as of May 6, 2024.
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ | |||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ | |
||
What did the Fund invest in? (as of March 31, 2026)
(1) Affiliated investment.
(2) 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.
How has the Fund changed?
| • | Portfolio Manager Update: Effective July 1, 2025, Kevin Lorenz retired and is no longer a portfolio manager of the Fund. |
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
| 3 | continued>> |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 886315407_AR_0326 5347280 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Class I Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • Top contributors to relative performance • 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. • An overweight to emerging-markets debt and out‑of‑benchmark exposure to non‑agency mortgage-backed securities. • Security selection, especially within corporate bonds and commercial mortgage-backed securities. • Top detractors from relative performance • Yield curve positioning. |
| 1 | continued>> |
How did the Fund perform over the last 10 years?
Fund Performance (April 1, 2016 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | 10‑Year | ||||
| |
||||||
| |
||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
(1) Affiliated investment.
(2) 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.
How has the Fund changed?
| • | Portfolio Manager Update: Effective July 1, 2025, Kevin Lorenz retired and is no longer a portfolio manager of the Fund. |
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
| 3 | continued>> |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87245P684_AR_0326 5347280 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Premier Class Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • Top contributors to relative performance • 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. • An overweight to emerging-markets debt and out‑of‑benchmark exposure to non‑agency mortgage-backed securities. • Security selection, especially within corporate bonds and commercial mortgage-backed securities. • Top detractors from relative performance • Yield curve positioning. |
| 1 | continued>> |
How did the Fund perform over the last 10 years?
Fund Performance (April 1, 2016 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | 10‑Year | ||||
| |
||||||
| |
||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
(1) Affiliated investment.
(2) 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.
How has the Fund changed?
| • | Portfolio Manager Update: Effective July 1, 2025, Kevin Lorenz retired and is no longer a portfolio manager of the Fund. |
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectu ses or upon request at (800) 257‑8787 .
| 3 | continued>> |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87245M483_AR_0326 5347280 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Class R6 Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
Performance Highlights
| • | 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%. |
| • | Top contributors to relative performance |
| • | 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. |
| • | An overweight to emerging-markets debt and out‑of‑benchmark exposure to non‑agency mortgage-backed securities. |
| • | Security selection, especially within corporate bonds and commercial mortgage-backed securities. |
| • | Top detractors from relative performance |
| • | Yield curve positioning. |
| 1 | continued>> |
How did the Fund perform over the last 10 years?
Fund Performance (April 1, 2016 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | 10‑Year | ||||||||||
| |
% | % | % | |||||||||
| |
% | % | % | |||||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ | |||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ | |
||
What did the Fund invest in? (as of March 31, 2026)
(1) Affiliated investment.
(2) 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.
How has the Fund changed?
| • | Portfolio Manager Update: Effective July 1, 2025, Kevin Lorenz retired and is no longer a portfolio manager of the Fund. |
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https:// www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
| 3 | continued>> |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 886315506_AR_0326 5347280 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Retirement Class Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
Performance Highlights
| • | 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%. |
| • | Top contributors to relative performance |
| • | 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. |
| • | An overweight to emerging-markets debt and out‑of‑benchmark exposure to non‑agency mortgage-backed securities. |
| • | Security selection, especially within corporate bonds and commercial mortgage-backed securities. |
| • | Top detractors from relative performance |
| • | Yield curve positioning. |
| 1 | continued>> |
How did the Fund perform over the last 10 years?
Fund Performance (April 1, 2016 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | 10‑Year | ||||||||||
| |
% | % | % | |||||||||
| |
% | % | % | |||||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ | |||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ | |
||
What did the Fund invest in? (as of March 31, 2026)
(1) Affiliated investment.
(2) 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.
How has the Fund changed?
| • | Portfolio Manager Update: Effective July 1, 2025, Kevin Lorenz retired and is no longer a portfolio manager of the Fund. |
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
| 3 | continued>> |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 886315605_AR_0326 5347280 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Class W Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • Top contributors to relative performance • 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. • An overweight to emerging-markets debt and out‑of‑benchmark exposure to non‑agency mortgage-backed securities. • Security selection, especially within corporate bonds and commercial mortgage-backed securities. • Top detractors from relative performance • Yield curve positioning. |
| 1 | continued>> |
How did the Fund perform over the period since inception?
Fund Performance (September 28, 2018 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | Since Inception ( | ||||
| |
||||||
| |
||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
(1) Affiliated investment.
(2) 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.
How has the Fund changed?
| • | Portfolio Manager Update: Effective July 1, 2025, Kevin Lorenz retired and is no longer a portfolio manager of the Fund. |
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
| 3 |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87245P395_AR_0326 5347280 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Class A Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
Performance Highlights
| • | 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%. |
| • | Top contributors to relative performance |
| • | Security selection in the lease backed and local GO sectors. |
| • | An overweight to the housing sector. |
| • | Exposure to the utility and education sectors. |
| • | Top detractors from relative performance |
| • | Exposure to the state GO, special tax and water/sewer sectors. |
| • | Yield curve positioning. |
| • | Security selection in the industrial development, health care and transportation sectors. |
| 1 | continued>> |
How did the Fund perform over the last 10 years?
Fund Performance (April 1, 2016 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | 10‑Year | ||||||||||
| |
% | % | % | |||||||||
| |
% | ( |
)% | % | ||||||||
| |
% | % | % | |||||||||
| |
% | % | % | |||||||||
Class A Shares at Offering Price reflect a maximum up‑front sales charge of 5.75% applicable to the purchase of Class A shares, which was effective as of May 6, 2024.
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ | |||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ | |
||
What did the Fund invest in? (as of March 31, 2026)
(1) 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.
How has the Fund changed?
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
| 3 | continued>> |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 886315878_AR_0326 5347293 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Class I Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • Top contributors to relative performance • Security selection in the lease backed and local GO sectors. • An overweight to the housing sector. • Exposure to the utility and education sectors. • Top detractors from relative performance • Exposure to the state GO, special tax and water/sewer sectors. • Yield curve positioning. • Security selection in the industrial development, health care and transportation sectors. |
| 1 | continued>> |
How did the Fund perform over the last 10 years?
Fund Performance (April 1, 2016 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | 10‑Year | ||||
| |
||||||
| |
||||||
| |
||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
 |
 |
(1) 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.
How has the Fund changed?
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87245P627_AR_0326 5347293 |
|
| 3 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Class R6 Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • Top contributors to relative performance • Security selection in the lease backed and local GO sectors. • An overweight to the housing sector. • Exposure to the utility and education sectors. • Top detractors from relative performance • Exposure to the state GO, special tax and water/sewer sectors. • Yield curve positioning. • Security selection in the industrial development, health care and transportation sectors. |
| 1 | continued>> |
How did the Fund perform over the last 10 years?
Fund Performance (April 1, 2016 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | 10‑Year | ||||
| |
||||||
| |
||||||
| |
||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
(1) 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.
How has the Fund changed?
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 886315860_AR_0326 5347293 |
|
| 3 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Class A Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • Top contributors to relative performance • An out‑of‑benchmark allocation to high-yield corporate bonds. • Security selection and an overweight to commercial mortgage-backed securities. • Out‑of‑benchmark exposure to municipal bonds and asset-backed securities. • Top detractors from relative performance • Exposure to government-agency and -credit securities, particularly emerging-markets debt. • Yield curve positioning. |
| 1 | continued>> |
How did the Fund perform over the period since inception?
Fund Performance (November 16, 2018 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | Since Inception ( | ||||
| |
||||||
| |
( |
|||||
| |
||||||
| |
||||||
Class A Shares at Offering Price reflect a maximum up‑front sales charge of 5.75% applicable to the purchase of Class A shares, which was effective as of May 6, 2024.
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
(1) 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.
How has the Fund changed?
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
| 3 | continued>> |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87249N842_AR_0326 5347304 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Class I Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • Top contributors to relative performance • An out‑of‑benchmark allocation to high-yield corporate bonds. • Security selection and an overweight to commercial mortgage-backed securities. • Out‑of‑benchmark exposure to municipal bonds and asset-backed securities. • Top detractors from relative performance • Exposure to government-agency and -credit securities, particularly emerging-markets debt. • Yield curve positioning. |
| 1 | continued>> |
How did the Fund perform over the period since inception?
Fund Performance (November 16, 2018 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | Since Inception ( | ||||
| |
||||||
| |
||||||
| |
||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
(1) 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.
How has the Fund changed?
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
| 3 | continued>> |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87249N875_AR_0326 5347304 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Premier Class Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • Top contributors to relative performance • An out‑of‑benchmark allocation to high-yield corporate bonds. • Security selection and an overweight to commercial mortgage-backed securities. • Out‑of‑benchmark exposure to municipal bonds and asset-backed securities. • Top detractors from relative performance • Exposure to government-agency and -credit securities, particularly emerging-markets debt. • Yield curve positioning. |
| 1 | continued>> |
How did the Fund perform over the period since inception?
Fund Performance (November 16, 2018 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | Since Inception ( | ||||
| |
||||||
| |
||||||
| |
||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
(1) 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.
How has the Fund changed?
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
| 3 | continued>> |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87249N867_AR_0326 5347304 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Class R6 Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • Top contributors to relative performance • An out‑of‑benchmark allocation to high-yield corporate bonds. • Security selection and an overweight to commercial mortgage-backed securities. • Out‑of‑benchmark exposure to municipal bonds and asset-backed securities. • Top detractors from relative performance • Exposure to government-agency and -credit securities, particularly emerging-markets debt. • Yield curve positioning. |
| 1 | continued>> |
How did the Fund perform over the period since inception?
Fund Performance (November 16, 2018 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | Since Inception ( | ||||
| |
||||||
| |
||||||
| |
||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ | |||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ | |
||
What did the Fund invest in? (as of March 31, 2026)
(1) 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.
How has the Fund changed?
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
| 3 | continued>> |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87249N883_AR_0326 5347304 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Retirement Class Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • Top contributors to relative performance • An out‑of‑benchmark allocation to high-yield corporate bonds. • Security selection and an overweight to commercial mortgage-backed securities. • Out‑of‑benchmark exposure to municipal bonds and asset-backed securities. • Top detractors from relative performance • Exposure to government-agency and -credit securities, particularly emerging-markets debt. • Yield curve positioning. |
| 1 | continued>> |
How did the Fund perform over the period since inception?
Fund Performance (November 16, 2018 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | Since Inception ( | ||||
| |
||||||
| |
||||||
| |
||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
(1) 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.
How has the Fund changed?
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
| 3 | continued>> |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87249N859_AR_0326 5347304 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Class A Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • Top contributors to relative performance • Security selection within the specialty retail industry, driven by an overweight to The Michaels Companies. • Security selection within the software/services industry. • Security selection within the health facilities industry. • Top detractors from relative performance • Security selection and an overweight position in the rail industry, including an overweight to Brightline East. • Security selection within the telecom – wireline integrated & services industry, including an overweight to LCPR Financing. • Security selection within the building materials industry, including an overweight to Cornerstone Building Brands, Inc. |
| 1 | continued>> |
How did the Fund perform over the last 10 years?
Fund Performance (April 1, 2016 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | 10‑Year | ||||
| |
||||||
| |
||||||
| |
||||||
| |
||||||
Class A Shares at Offering Price reflect a maximum up‑front sales charge of 5.75% applicable to the purchase of Class A shares, which was effective as of May 6, 2024.
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
(1) 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.
How has the Fund changed?
| • | Portfolio Manager Updates: 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. |
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 886315811_AR_0326 5347310 |
|
| 3 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Class I Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • Top contributors to relative performance • Security selection within the specialty retail industry, driven by an overweight to The Michaels Companies. • Security selection within the software/services industry. • Security selection within the health facilities industry. • Top detractors from relative performance • Security selection and an overweight position in the rail industry, including an overweight to Brightline East. • Security selection within the telecom – wireline integrated & services industry, including an overweight to LCPR Financing. • Security selection within the building materials industry, including an overweight to Cornerstone Building Brands, Inc. |
| 1 | continued>> |
How did the Fund perform over the last 10 years?
Fund Performance (April 1, 2016 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | 10‑Year | ||||
| |
||||||
| |
||||||
| |
||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
(1) 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.
How has the Fund changed?
| • | Portfolio Manager Updates: 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. |
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
| 3 | continued>> |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87245P676_AR_0326 5347310 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Premier Class Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • Top contributors to relative performance • Security selection within the specialty retail industry, driven by an overweight to The Michaels Companies. • Security selection within the software/services industry. • Security selection within the health facilities industry. • Top detractors from relative performance • Security selection and an overweight position in the rail industry, including an overweight to Brightline East. • Security selection within the telecom – wireline integrated & services industry, including an overweight to LCPR Financing. • Security selection within the building materials industry, including an overweight to Cornerstone Building Brands, Inc. |
| 1 | continued>> |
How did the Fund perform over the last 10 years?
Fund Performance (April 1, 2016 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | 10‑Year | ||||
| |
||||||
| |
||||||
| |
||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
 |
 |
(1) 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.
How has the Fund changed?
| • | Portfolio Manager Updates: 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. |
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
| 3 | continued>> |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87245M467_AR_0326 5347310 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Class R6 Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
Performance Highlights
| • | 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%. |
| • | Top contributors to relative performance |
| • | Security selection within the specialty retail industry, driven by an overweight to The Michaels Companies. |
| • | Security selection within the software/services industry. |
| • | Security selection within the health facilities industry. |
| • | Top detractors from relative performance |
| • | Security selection and an overweight position in the rail industry, including an overweight to Brightline East. |
| • | Security selection within the telecom – wireline integrated & services industry, including an overweight to LCPR Financing. |
| • | Security selection within the building materials industry, including an overweight to Cornerstone Building Brands, Inc. |
| 1 | continued>> |
How did the Fund perform over the last 10 years?
Fund Performance (April 1, 2016 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | 10‑Year | ||||||||||
| |
% | % | % | |||||||||
| |
% | % | % | |||||||||
| |
% | % | % | |||||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ | |||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ | |
||
What did the Fund invest in? (as of March 31, 2026)
(1) 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.
How has the Fund changed?
| • | Portfolio Manager Updates: 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. |
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
| 3 | continued>> |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 886315795_AR_0326 5347310 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Retirement Class Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
Performance Highlights
| • | 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%. |
| • | Top contributors to relative performance |
| • | Security selection within the specialty retail industry, driven by an overweight to The Michaels Companies. |
| • | Security selection within the software/services industry. |
| • | Security selection within the health facilities industry. |
| • | Top detractors from relative performance |
| • | Security selection and an overweight position in the rail industry, including an overweight to Brightline East. |
| • | Security selection within the telecom – wireline integrated & services industry, including an overweight to LCPR Financing. |
| • | Security selection within the building materials industry, including an overweight to Cornerstone Building Brands, Inc. |
| 1 | continued>> |
How did the Fund perform over the last 10 years?
Fund Performance (April 1, 2016 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | 10‑Year | ||||||||||
| |
% | % | % | |||||||||
| |
% | % | % | |||||||||
| |
% | % | % | |||||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ | |||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ | |
||
What did the Fund invest in? (as of March 31, 2026)
(1) 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.
How has the Fund changed?
| • | Portfolio Manager Updates: 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. |
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
| 3 | continued>> |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 886315787_AR_0326 5347310 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Class W Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • Top contributors to relative performance • Security selection within the specialty retail industry, driven by an overweight to The Michaels Companies. • Security selection within the software/services industry. • Security selection within the health facilities industry. • Top detractors from relative performance • Security selection and an overweight position in the rail industry, including an overweight to Brightline East. • Security selection within the telecom – wireline integrated & services industry, including an overweight to LCPR Financing. • Security selection within the building materials industry, including an overweight to Cornerstone Building Brands, Inc. |
| 1 | continued>> |
How did the Fund perform over the period since inception?
Fund Performance (September 28, 2018 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | Since Inception ( | ||||
| |
||||||
| |
||||||
| |
||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
(1) 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.
How has the Fund changed?
| • | Portfolio Manager Updates: 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. |
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
| 3 | continued>> |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87245P387_AR_0326 5347310 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Class A Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • Top contributors to relative performance • An overweight position and security selection in corporate bonds. • Out‑of‑benchmark exposure to asset-backed securities, commercial mortgage-backed securities and municipal bonds. • Overweights to government-credit and -agency securities. • Top detractors from relative performance • Yield curve positioning in U.S. Treasuries. |
| 1 | continued>> |
How did the Fund perform over the period since inception?
Fund Performance (November 16, 2018 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | Since Inception ( | ||||
| |
||||||
| |
||||||
| |
||||||
| |
||||||
Class A Shares at Offering Price reflect a maximum up‑front sales charge of 5.75% applicable to the purchase of Class A shares, which was effective as of May 6, 2024.
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
(1) 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.
How has the Fund changed?
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
| 3 | continued>> |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87249N784_AR_0326 5347319 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Class I Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • Top contributors to relative performance • An overweight position and security selection in corporate bonds. • Out‑of‑benchmark exposure to asset-backed securities, commercial mortgage-backed securities and municipal bonds. • Overweights to government-credit and -agency securities. • Top detractors from relative performance • Yield curve positioning in U.S. Treasuries. |
| 1 | continued>> |
How did the Fund perform over the period since inception?
Fund Performance (November 16, 2018 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | Since Inception ( | ||||
| |
||||||
| |
||||||
| |
||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
(1) 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.
How has the Fund changed?
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
| 3 | continued>> |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87249N826_AR_0326 5347319 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Premier Class Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • Top contributors to relative performance • An overweight position and security selection in corporate bonds. • Out‑of‑benchmark exposure to asset-backed securities, commercial mortgage-backed securities and municipal bonds. • Overweights to government-credit and -agency securities. • Top detractors from relative performance • Yield curve positioning in U.S. Treasuries. |
| 1 | continued>> |
How did the Fund perform over the period since inception?
Fund Performance (November 16, 2018 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | Since Inception ( | ||||
| |
||||||
| |
||||||
| |
||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
(1) 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.
How has the Fund changed?
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
| 3 | continued>> |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87249N818_AR_0326 5347319 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Class R6 Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • Top contributors to relative performance • An overweight position and security selection in corporate bonds. • Out‑of‑benchmark exposure to asset-backed securities, commercial mortgage-backed securities and municipal bonds. • Overweights to government-credit and -agency securities. • Top detractors from relative performance • Yield curve positioning in U.S. Treasuries. |
| 1 | continued>> |
How did the Fund perform over the period since inception?
Fund Performance (November 16, 2018 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | Since Inception ( | ||||
| |
||||||
| |
||||||
| |
||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
(1) 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.
How has the Fund changed?
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
| 3 | continued>> |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87249N834_AR_0326 5347319 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Retirement Class Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • Top contributors to relative performance • An overweight position and security selection in corporate bonds. • Out‑of‑benchmark exposure to asset-backed securities, commercial mortgage-backed securities and municipal bonds. • Overweights to government-credit and -agency securities. • Top detractors from relative performance • Yield curve positioning in U.S. Treasuries. |
| 1 | continued>> |
How did the Fund perform over the period since inception?
Fund Performance (November 16, 2018 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | Since Inception ( | ||||
| |
||||||
| |
||||||
| |
||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
(1) 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.
How has the Fund changed?
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
| 3 | continued>> |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87249N792_AR_0326 5347319 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Class A Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • Top contributors to relative performance • Out‑of‑benchmark exposure to mortgage-backed securities, commercial mortgage-backed securities and asset-backed securities. • An overweight to corporate bonds. • Top detractors from relative performance • Yield curve positioning in U.S. Treasuries. |
| 1 | continued>> |
How did the Fund perform over the last 10 years?
Fund Performance (April 1, 2016 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | 10‑Year | ||||
| |
||||||
| |
||||||
| |
||||||
| |
||||||
Class A Shares at Offering Price reflect a maximum up‑front sales charge of 5.75% applicable to the purchase of Class A shares, which was effective as of May 6, 2024.
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
(1) 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.
How has the Fund changed?
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 886315704_AR_0326 5347329 |
|
| 3 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Class I Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • Top contributors to relative performance • Out‑of‑benchmark exposure to mortgage-backed securities, commercial mortgage-backed securities and asset-backed securities. • An overweight to corporate bonds. • Top detractors from relative performance • Yield curve positioning in U.S. Treasuries. |
| 1 | continued>> |
How did the Fund perform over the last 10 years?
Fund Performance (April 1, 2016 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | 10‑Year | ||||
| |
||||||
| |
||||||
| |
||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ | |||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ | |||
What did the Fund invest in? (as of March 31, 2026)
(1) 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.
How has the Fund changed?
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en-us/mutual-funds/prospectuses or upon request at (800) 257-8787 .
| 3 | continued>> |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87245P650_AR_0326 5347329 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Premier Class Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • Top contributors to relative performance • Out‑of‑benchmark exposure to mortgage-backed securities, commercial mortgage-backed securities and asset-backed securities. • An overweight to corporate bonds. • Top detractors from relative performance • Yield curve positioning in U.S. Treasuries. |
| 1 | continued>> |
How did the Fund perform over the last 10 years?
Fund Performance (April 1, 2016 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | 10‑Year | ||||
| |
||||||
| |
||||||
| |
||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
(1) 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.
How has the Fund changed?
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
| 3 | continued>> |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87245M475_AR_0326 5347329 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Class R6 Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • Top contributors to relative performance • Out‑of‑benchmark exposure to mortgage-backed securities, commercial mortgage-backed securities and asset-backed securities. • An overweight to corporate bonds. • Top detractors from relative performance • Yield curve positioning in U.S. Treasuries. |
| 1 | continued>> |
How did the Fund perform over the last 10 years?
Fund Performance (April 1, 2016 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | 10‑Year | ||||
| |
||||||
| |
||||||
| |
||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
(1) 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.
How has the Fund changed?
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 886315803_AR_0326 5347329 |
|
| 3 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Retirement Class Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • Top contributors to relative performance • Out‑of‑benchmark exposure to mortgage-backed securities, commercial mortgage-backed securities and asset-backed securities. • An overweight to corporate bonds. • Top detractors from relative performance • Yield curve positioning in U.S. Treasuries. |
| 1 | continued>> |
How did the Fund perform over the last 10 years?
Fund Performance (April 1, 2016 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | 10‑Year | ||||
| |
||||||
| |
||||||
| |
||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
(1) 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.
How has the Fund changed?
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 886315886_AR_0326 5347329 |
|
| 3 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Class W Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • Top contributors to relative performance • Out‑of‑benchmark exposure to mortgage-backed securities, commercial mortgage-backed securities and asset-backed securities. • An overweight to corporate bonds. • Top detractors from relative performance • Yield curve positioning in U.S. Treasuries. |
| 1 | continued>> |
How did the Fund perform over the period since inception?
Fund Performance (September 28, 2018 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | Since Inception ( | ||||
| |
||||||
| |
||||||
| |
||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
(1) 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.
How has the Fund changed?
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87245P361_AR_0326 5347329 |
 |
| 3 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Class A Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • 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. • 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. |
| 1 | continued>> |
How did the Fund perform over the last 10 years?
Fund Performance (April 1, 2016 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | 10‑Year | ||||
| |
||||||
| |
||||||
| |
||||||
| |
||||||
Class A Shares at Offering Price reflect a maximum up‑front sales charge of 5.75% applicable to the purchase of Class A shares, which was effective as of May 6, 2024.
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
(1) 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.
How has the Fund changed?
| • | Portfolio manager updates: 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. |
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
| 3 | continued>> |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87245R466_AR_0326 5347338 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Class I Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • 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. • 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. |
| 1 | continued>> |
How did the Fund perform over the last 10 years?
Fund Performance (April 1, 2016 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | 10‑Year | ||||
| |
||||||
| |
||||||
| |
||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ | |||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ | |||
What did the Fund invest in? (as of March 31, 2026)
(1) 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.
How has the Fund changed?
| • | Portfolio manager updates: 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. |
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
| 3 | continued>> |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87245P643_AR_0326 5347338 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Premier Class Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • 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. • 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. |
| 1 | continued>> |
How did the Fund perform over the last 10 years?
Fund Performance (April 1, 2016 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | 10‑Year | ||||
| |
||||||
| |
||||||
| |
||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
(1) 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.
How has the Fund changed?
| • | Portfolio manager updates: 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. |
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
| 3 | continued>> |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87245R441_AR_0326 5347338 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Class R6 Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • 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. • 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. |
| 1 | continued>> |
How did the Fund perform over the last 10 years?
Fund Performance (April 1, 2016 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | 10‑Year | ||||
| |
||||||
| |
||||||
| |
||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
(1) 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.
How has the Fund changed?
| • | Portfolio manager updates: 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. |
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
| 3 | continued>> |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87245R433_AR_0326 5347338 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Retirement Class Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • 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. • 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. |
| 1 | continued>> |
How did the Fund perform over the last 10 years?
Fund Performance (April 1, 2016 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | 10‑Year |
||||||||||
| |
% | % | % | |||||||||
| |
% | % | % | |||||||||
| |
% | % | % | |||||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ | |||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ | |||
What did the Fund invest in? (as of March 31, 2026)
(1) 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.
How has the Fund changed?
| • | Portfolio manager updates: 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. |
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
| 3 | continued>> |
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87245R458_AR_0326 5347338 |
|
| 4 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Class W Shares |
$ |
|||
* Annualized for period less than one year.
How did the Fund perform last year? What affected the Fund’s performance?
| Performance Highlights • 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%. • 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. • 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. |
| 1 | continued>> |
How did the Fund perform over the period since inception?
Fund Performance (September 28, 2018 through March 31, 2026) Initial Investment of $10,000
Average Annual Total Returns
| 1‑Year | 5‑Year | Since Inception ( | ||||
| |
||||||
| |
||||||
| |
||||||
Investment return and principal value will fluctuate, and you may have a gain or loss when you sell your shares. Current performance may differ from figures shown. For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.
| 2 | continued>> |
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Portfolio turnover (%) |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
(1) 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.
How has the Fund changed?
| • | Portfolio manager updates: 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. |
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87245P353_AR_0326 5347338 |
|
| 3 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Class A Shares |
$ |
|||
* Annualized for period less than one year.
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
| 1 | continued>> |
How has the Fund changed?
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https:// www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 886315670_AR_0326 5347347 |
|
| 2 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Class I Shares |
$ |
|||
* Annualized for period less than one year.
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
| 1 | continued>> |
How has the Fund changed?
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87245P619_AR_0326 5347347 |
|
| 2 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Premier Class Shares |
$ |
* Annualized for period less than one year.
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
| 1 | continued>> |
How has the Fund changed?
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87245M442_AR_0326 5347347 |
|
| 2 |
| |
Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Class R6 Shares |
$ |
|||
* Annualized for period less than one year.
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
|||
| Total number of portfolio holdings |
||||
| Total management fees paid for the year |
$ |
|||
What did the Fund invest in? (as of March 31, 2026)
| 1 | continued>> |
How has the Fund changed?
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 87244W706_AR_0326 5347347 |
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Annual Shareholder Report March 31, 2026 |
Annual Shareholder Report
This report describes changes to the Fund that occurred during the reporting period.
What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)
| Cost of a $10,000 investment |
Costs paid as a percentage of $10,000 investment* | |||
| Retirement Class Shares |
$ |
|||
* Annualized for period less than one year.
Fund Statistics (as of March 31, 2026)
| Fund net assets |
$ |
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| Total number of portfolio holdings |
||||
| Total management fees paid for the year |
$ |
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What did the Fund invest in? (as of March 31, 2026)
| 1 | continued>> |
How has the Fund changed?
For more complete information, you may review the Fund’s next prospectus, which is expected to be available by August 1, 2026 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787 .
Availability of additional information about the Fund
You can find additional information about the Fund at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses, including its:
| • | prospectus • financial statements and other information • fund holdings • proxy voting information |
You can also request this information at (800) 257‑8787.
| 886315688_AR_0326 5347347 |
|
| 2 |