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&lt;tr&gt; 
&lt;td style="width:33%;"&gt;&lt;/td&gt; 
&lt;td style="vertical-align:bottom;"&gt;&lt;/td&gt; 
&lt;td style="width:33%;"&gt;&lt;/td&gt; 
&lt;td style="vertical-align:bottom;"&gt;&lt;/td&gt; 
&lt;td style="width:32%;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size:1pt"&gt; 
&lt;td style="height:3pt;"&gt;&lt;/td&gt; 
&lt;td colspan="2" style="BORDER-LEFT:0.75pt solid #7fb8e6; BORDER-TOP:0.75pt solid #7fb8e6;height:3pt;"&gt;&#160;&lt;/td&gt; 
&lt;td colspan="2" style="BORDER-LEFT:0.75pt solid #7fb8e6; BORDER-TOP:0.75pt solid #7fb8e6; BORDER-RIGHT:0.75pt solid #7fb8e6;height:3pt;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside:avoid;font-family:arial;font-size:8pt"&gt; 
&lt;td style="vertical-align:bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style=" BORDER-LEFT:0.75pt solid #7fb8e6;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;vertical-align:bottom;text-align:right;"&gt; &lt;div style="margin-top:0pt;margin-bottom:0pt;font-size:8pt;font-family:arial;font-weight:bold;text-align:right;"&gt;Cost of a&#x2002;&lt;/div&gt; &lt;div style="margin-top:0pt;margin-bottom:1pt;font-size:8pt;font-family:arial;font-weight:bold;text-align:right;"&gt;$10,000 investment&#x2002;&lt;/div&gt;&lt;/td&gt; 
&lt;td style=" BORDER-LEFT:0.75pt solid #7fb8e6;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-RIGHT:0.75pt solid #7fb8e6; padding-right:2pt;vertical-align:bottom;text-align:right;"&gt; &lt;div style="margin-top:0pt;margin-bottom:0pt;font-size:8pt;font-family:arial;font-weight:bold;text-align:right;"&gt;Costs paid as a percentage of&lt;/div&gt; &lt;div style="margin-top:0pt;margin-bottom:1pt;font-size:8pt;font-family:arial;font-weight:bold;text-align:right;"&gt;$10,000&#160;investment*&lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size:1pt"&gt; 
&lt;td style="BORDER-LEFT:0.75pt solid #7fb8e6; BORDER-TOP:0.75pt solid #7fb8e6; padding-left:8pt;height:3pt;"&gt;&#160;&lt;/td&gt; 
&lt;td colspan="2" style="BORDER-LEFT:0.75pt solid #7fb8e6; BORDER-TOP:0.75pt solid #7fb8e6;height:3pt;"&gt;&#160;&lt;/td&gt; 
&lt;td colspan="2" style="BORDER-LEFT:0.75pt solid #7fb8e6; BORDER-TOP:0.75pt solid #7fb8e6; BORDER-RIGHT:0.75pt solid #7fb8e6;height:3pt;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside:avoid;font-family:arial;font-size:8pt"&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-LEFT:0.75pt solid #7fb8e6; BORDER-BOTTOM:0.75pt solid #7fb8e6; padding-left:8pt;vertical-align:top;"&gt; &lt;div style="margin-top:0pt;margin-bottom:0pt;margin-left:1.00em;text-indent:-1.00em;font-size:8pt;font-family:arial;"&gt;Class&#160;A Shares&lt;/div&gt;&lt;/td&gt; 
&lt;td style=" BORDER-LEFT:0.75pt solid #7fb8e6; BORDER-BOTTOM:0.75pt solid #7fb8e6;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;vertical-align:bottom;white-space:nowrap;text-align:right;"&gt;$113&#x2002;&lt;/td&gt; 
&lt;td style=" BORDER-LEFT:0.75pt solid #7fb8e6; BORDER-BOTTOM:0.75pt solid #7fb8e6;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-RIGHT:0.75pt solid #7fb8e6; BORDER-BOTTOM:0.75pt solid #7fb8e6; padding-right:2pt;vertical-align:bottom;white-space:nowrap;text-align:right;"&gt;2.21%&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="margin-top:6pt;margin-bottom:0pt;margin-left:2%;margin-right:2%;font-size:8pt;font-family:arial;text-align:justify;"&gt;* Annualized for period less than one year.&lt;/div&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20250829_20260228_C000072944Member"
      decimals="INF"
      id="h_1_03be2436_8b6f_40e7_b52e_4f294db14b22"
      unitRef="USD">113</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20250829_20260228_C000072944Member"
      decimals="4"
      id="h_2_5f2bff92_c012_4c86_8838_e43e344304e0"
      unitRef="pure">0.0221</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20250829_20260228_C000072944Member"
      id="t_5_b1bd00c4_d181_4967_8892_170475dbc7c7">&lt;div style="margin-top:0pt;margin-bottom:0pt;margin-left:2%;font-size:11pt;font-family:arial;"&gt;&lt;span style="color:#0071ce"&gt;&lt;span style="font-weight:bold"&gt;Fund Statistics &lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:arial"&gt;(as of February 28, 2026)&lt;/span&gt;&lt;span style="font-family:arial;color:#0071ce"&gt;&lt;span style="font-weight:bold"&gt; &lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:arial;font-size:8pt;width:96%;border-spacing:0px;margin:0 auto"&gt; 
&lt;tr&gt; 
&lt;td style="width:87%;"&gt;&lt;/td&gt; 
&lt;td style="vertical-align:bottom;width:1%;"&gt;&lt;/td&gt; 
&lt;td&gt;&lt;/td&gt; 
&lt;td&gt;&lt;/td&gt; 
&lt;td style="vertical-align:bottom;width:2%;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size:1pt"&gt; 
&lt;td style="height:3pt;"&gt;&lt;/td&gt; 
&lt;td colspan="4" style="height:3pt;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside:avoid;font-family:arial;font-size:8pt"&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;vertical-align:top;"&gt; &lt;div style="margin-top:0pt;margin-bottom:0pt;margin-left:1.00em;text-indent:-1.00em;font-size:8pt;font-family:arial;"&gt;Fund net assets&lt;/div&gt;&lt;/td&gt; 
&lt;td style=" BORDER-BOTTOM:0.75pt solid #7fb8e6;vertical-align:bottom;"&gt;&#160;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;white-space:nowrap;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;white-space:nowrap;vertical-align:bottom;text-align:right;"&gt;$148,996,030&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;white-space:nowrap;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size:1pt"&gt; 
&lt;td style="height:3pt;"&gt;&lt;/td&gt; 
&lt;td colspan="4" style="height:3pt;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside:avoid;font-family:arial;font-size:8pt"&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;vertical-align:top;"&gt; &lt;div style="margin-top:0pt;margin-bottom:0pt;margin-left:1.00em;text-indent:-1.00em;font-size:8pt;font-family:arial;"&gt;Total number of portfolio holdings&lt;/div&gt;&lt;/td&gt; 
&lt;td style=" BORDER-BOTTOM:0.75pt solid #7fb8e6;vertical-align:bottom;"&gt;&#160;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;white-space:nowrap;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;white-space:nowrap;vertical-align:bottom;text-align:right;"&gt;183&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;white-space:nowrap;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size:1pt"&gt; 
&lt;td style="height:3pt;"&gt;&lt;/td&gt; 
&lt;td colspan="4" style="height:3pt;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside:avoid;font-family:arial;font-size:8pt"&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;vertical-align:top;"&gt; &lt;div style="margin-top:0pt;margin-bottom:0pt;margin-left:1.00em;text-indent:-1.00em;font-size:8pt;font-family:arial;"&gt;Portfolio turnover (%)&lt;/div&gt;&lt;/td&gt; 
&lt;td style=" BORDER-BOTTOM:0.75pt solid #7fb8e6;vertical-align:bottom;"&gt;&#160;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;white-space:nowrap;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;white-space:nowrap;vertical-align:bottom;text-align:right;"&gt;35%&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;white-space:nowrap;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260228_C000072944Member"
      decimals="INF"
      id="h_3_e1370920_60f2_05a6_fd23_a2f49c60e0f4"
      unitRef="USD">148996030</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20260228_C000072944Member"
      decimals="INF"
      id="h_4_bd2e1fc1_4dfb_fdc4_4342_86bd53452f80"
      unitRef="Holding">183</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20250829_20260228_C000072944Member"
      decimals="4"
      id="h_5_ec0ec98c_cb47_41fa_a273_359324c23ac3"
      unitRef="pure">0.35</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20250829_20260228_C000072944Member"
      id="t_13_ebd79935_d259_ee0c_9049_ba195e7739f3">&lt;div style="margin-top:0pt;margin-bottom:0pt;margin-left:10pt;margin-right:10pt;"&gt; 
&lt;img alt="LOGO" src="g24740g1g01u01.jpg"/&gt; &lt;/div&gt;&lt;div style="margin-top:0pt;margin-bottom:0pt;margin-left:10pt;margin-right:10pt;"&gt; 
&lt;img alt="LOGO" src="g24740g1g02u01.jpg"/&gt; &lt;/div&gt;&lt;div style="margin-top:0pt;margin-bottom:0pt;margin-left:10pt;margin-right:10pt;"&gt; 
&lt;img alt="LOGO" src="g24740g1g03u01.jpg"/&gt; &lt;/div&gt;&lt;div style="margin-top:0pt;margin-bottom:0pt;margin-left:2%;margin-right:2%;font-size:8pt;font-family:arial;text-align:justify;"&gt;(1) Includes the gross market value of the Fund&#x2019;s long and short exposure and short-term repurchase agreements. &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:FundName
      contextRef="D20250829_20260228_C000072945Member"
      id="t_13_2f920691_01b6_3cad_26e2_e95e83cf4210">Nuveen Equity Long/Short Fund </oef:FundName>
    <oef:ClassName
      contextRef="D20250829_20260228_C000072945Member"
      id="t_14_8d197cfc_6705_cd63_3fe5_19983de73695">Class&#160;C Shares</oef:ClassName>
    <dei:TradingSymbol
      contextRef="D20250829_20260228_C000072945Member"
      id="t_15_845d10ee_b172_df30_3091_bf71580e9081">NELCX</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20250829_20260228_C000072945Member"
      id="t_16_5ec939c8_272a_aaa4_4fdd_81b31fb3d6bc">This semi-annual&#160;shareholder report contains important information about the Class&#160;C Shares of the Nuveen Equity Long/Short Fund&#160;for the period of&#160;September 1, 2025 to&lt;span style="font-weight:bold"&gt; &lt;/span&gt;February&#160;28, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20250829_20260228_C000072945Member"
      id="t_17_bcd9e592_714e_4934_c29f_d223ca97af96">semi-annual&#160;shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20250829_20260228_C000072945Member"
      id="t_7_68f68bb3_982d_4714_baa4_80f5e56f103a">You can find additional information at &lt;span style="font-family:arial;font-size:9pt;color:#0071ce"&gt;https://www.nuveen.com/en&#x2011;us/mutual&#x2011;funds/prospectuses&lt;/span&gt;&lt;span style="font-family:arial"&gt;. You can also request this information by contacting us at (800)&#160;257&#x2011;8787.&lt;/span&gt;</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20250829_20260228_C000072945Member"
      id="t_18_261387de_d027_299c_b9a5_fbe84d61a13a">https://www.nuveen.com/en&#x2011;us/mutual&#x2011;funds/prospectuses</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20250829_20260228_C000072945Member"
      id="t_9_e2a02911_fcc2_43a6_945c_15857a1d62f0">(800)&#160;257&#x2011;8787</oef:AddlInfoPhoneNumber>
    <oef:ExpensesTextBlock
      contextRef="D20250829_20260228_C000072945Member"
      id="t_10_484970de_e4d5_4b09_bf69_2c47f54f01f5">&lt;div style="margin-top:0pt;margin-bottom:0pt;margin-left:2%;font-size:11pt;font-family:arial;"&gt;&lt;span style="color:#0071ce"&gt;&lt;span style="font-weight:bold"&gt;What were the Fund costs for the last six months? &lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:arial"&gt;(based on a hypothetical $10,000 investment)&lt;/span&gt;&lt;span style="font-family:arial;color:#0071ce"&gt;&lt;span style="font-weight:bold"&gt; &lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:arial;font-size:8pt;width:96%;border-spacing:0px;margin:0 auto"&gt; 
&lt;tr&gt; 
&lt;td style="width:33%;"&gt;&lt;/td&gt; 
&lt;td style="vertical-align:bottom;"&gt;&lt;/td&gt; 
&lt;td style="width:33%;"&gt;&lt;/td&gt; 
&lt;td style="vertical-align:bottom;"&gt;&lt;/td&gt; 
&lt;td style="width:32%;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size:1pt"&gt; 
&lt;td style="height:3pt;"&gt;&lt;/td&gt; 
&lt;td colspan="2" style="BORDER-LEFT:0.75pt solid #7fb8e6; BORDER-TOP:0.75pt solid #7fb8e6;height:3pt;"&gt;&#160;&lt;/td&gt; 
&lt;td colspan="2" style="BORDER-LEFT:0.75pt solid #7fb8e6; BORDER-TOP:0.75pt solid #7fb8e6; BORDER-RIGHT:0.75pt solid #7fb8e6;height:3pt;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside:avoid;font-family:arial;font-size:8pt"&gt; 
&lt;td style="vertical-align:bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style=" BORDER-LEFT:0.75pt solid #7fb8e6;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;vertical-align:bottom;text-align:right;"&gt; &lt;div style="margin-top:0pt;margin-bottom:0pt;font-size:8pt;font-family:arial;font-weight:bold;text-align:right;"&gt;Cost of a&#x2002;&lt;/div&gt; &lt;div style="margin-top:0pt;margin-bottom:1pt;font-size:8pt;font-family:arial;font-weight:bold;text-align:right;"&gt;$10,000 investment&#x2002;&lt;/div&gt;&lt;/td&gt; 
&lt;td style=" BORDER-LEFT:0.75pt solid #7fb8e6;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-RIGHT:0.75pt solid #7fb8e6; padding-right:2pt;vertical-align:bottom;text-align:right;"&gt; &lt;div style="margin-top:0pt;margin-bottom:0pt;font-size:8pt;font-family:arial;font-weight:bold;text-align:right;"&gt;Costs paid as a percentage of&lt;/div&gt; &lt;div style="margin-top:0pt;margin-bottom:1pt;font-size:8pt;font-family:arial;font-weight:bold;text-align:right;"&gt;$10,000 investment*&lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size:1pt"&gt; 
&lt;td style="BORDER-LEFT:0.75pt solid #7fb8e6; BORDER-TOP:0.75pt solid #7fb8e6; padding-left:8pt;height:3pt;"&gt;&#160;&lt;/td&gt; 
&lt;td colspan="2" style="BORDER-LEFT:0.75pt solid #7fb8e6; BORDER-TOP:0.75pt solid #7fb8e6;height:3pt;"&gt;&#160;&lt;/td&gt; 
&lt;td colspan="2" style="BORDER-LEFT:0.75pt solid #7fb8e6; BORDER-TOP:0.75pt solid #7fb8e6; BORDER-RIGHT:0.75pt solid #7fb8e6;height:3pt;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside:avoid;font-family:arial;font-size:8pt"&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-LEFT:0.75pt solid #7fb8e6; BORDER-BOTTOM:0.75pt solid #7fb8e6; padding-left:8pt;vertical-align:top;"&gt; &lt;div style="margin-top:0pt;margin-bottom:0pt;margin-left:1.00em;text-indent:-1.00em;font-size:8pt;font-family:arial;"&gt;Class&#160;C Shares&lt;/div&gt;&lt;/td&gt; 
&lt;td style=" BORDER-LEFT:0.75pt solid #7fb8e6; BORDER-BOTTOM:0.75pt solid #7fb8e6;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;vertical-align:bottom;white-space:nowrap;text-align:right;"&gt;$151&#x2002;&lt;/td&gt; 
&lt;td style=" BORDER-LEFT:0.75pt solid #7fb8e6; BORDER-BOTTOM:0.75pt solid #7fb8e6;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-RIGHT:0.75pt solid #7fb8e6; BORDER-BOTTOM:0.75pt solid #7fb8e6; padding-right:2pt;vertical-align:bottom;white-space:nowrap;text-align:right;"&gt;2.96%&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="margin-top:6pt;margin-bottom:0pt;margin-left:2%;margin-right:2%;font-size:8pt;font-family:arial;text-align:justify;"&gt;* Annualized for period less than one year.&lt;/div&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20250829_20260228_C000072945Member"
      decimals="INF"
      id="h_3_9e45ff02_6723_429c_ab4a_820e79260cb9"
      unitRef="USD">151</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20250829_20260228_C000072945Member"
      decimals="4"
      id="h_4_618431a0_25b3_456e_9a27_210baaa910b6"
      unitRef="pure">0.0296</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20250829_20260228_C000072945Member"
      id="t_11_f91c46cc_9478_4a9c_a291_2c441817dc35">&lt;div style="margin-top:0pt;margin-bottom:0pt;margin-left:2%;font-size:11pt;font-family:arial;"&gt;&lt;span style="color:#0071ce"&gt;&lt;span style="font-weight:bold"&gt;Fund Statistics &lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:arial"&gt;(as of February 28, 2026)&lt;/span&gt;&lt;span style="font-family:arial;color:#0071ce"&gt;&lt;span style="font-weight:bold"&gt; &lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:arial;font-size:8pt;width:96%;border-spacing:0px;margin:0 auto"&gt; 
&lt;tr&gt; 
&lt;td style="width:87%;"&gt;&lt;/td&gt; 
&lt;td style="vertical-align:bottom;width:1%;"&gt;&lt;/td&gt; 
&lt;td&gt;&lt;/td&gt; 
&lt;td&gt;&lt;/td&gt; 
&lt;td style="vertical-align:bottom;width:2%;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size:1pt"&gt; 
&lt;td style="height:3pt;"&gt;&lt;/td&gt; 
&lt;td colspan="4" style="height:3pt;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside:avoid;font-family:arial;font-size:8pt"&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;vertical-align:top;"&gt; &lt;div style="margin-top:0pt;margin-bottom:0pt;margin-left:1.00em;text-indent:-1.00em;font-size:8pt;font-family:arial;"&gt;Fund net assets&lt;/div&gt;&lt;/td&gt; 
&lt;td style=" BORDER-BOTTOM:0.75pt solid #7fb8e6;vertical-align:bottom;"&gt;&#160;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;white-space:nowrap;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;white-space:nowrap;vertical-align:bottom;text-align:right;"&gt;$148,996,030&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;white-space:nowrap;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size:1pt"&gt; 
&lt;td style="height:3pt;"&gt;&lt;/td&gt; 
&lt;td colspan="4" style="height:3pt;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside:avoid;font-family:arial;font-size:8pt"&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;vertical-align:top;"&gt; &lt;div style="margin-top:0pt;margin-bottom:0pt;margin-left:1.00em;text-indent:-1.00em;font-size:8pt;font-family:arial;"&gt;Total number of portfolio holdings&lt;/div&gt;&lt;/td&gt; 
&lt;td style=" BORDER-BOTTOM:0.75pt solid #7fb8e6;vertical-align:bottom;"&gt;&#160;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;white-space:nowrap;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;white-space:nowrap;vertical-align:bottom;text-align:right;"&gt;183&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;white-space:nowrap;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size:1pt"&gt; 
&lt;td style="height:3pt;"&gt;&lt;/td&gt; 
&lt;td colspan="4" style="height:3pt;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside:avoid;font-family:arial;font-size:8pt"&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;vertical-align:top;"&gt; &lt;div style="margin-top:0pt;margin-bottom:0pt;margin-left:1.00em;text-indent:-1.00em;font-size:8pt;font-family:arial;"&gt;Portfolio turnover (%)&lt;/div&gt;&lt;/td&gt; 
&lt;td style=" BORDER-BOTTOM:0.75pt solid #7fb8e6;vertical-align:bottom;"&gt;&#160;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;white-space:nowrap;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;white-space:nowrap;vertical-align:bottom;text-align:right;"&gt;35%&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;white-space:nowrap;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
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      id="h_7_368f0224_0ad3_59ab_23fa_a3149f76daf7"
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      id="t_19_a068fc27_e646_0938_48ce_51aec2e7a8eb">&lt;div style="margin-top:0pt;margin-bottom:0pt;margin-left:10pt;margin-right:10pt;"&gt; 
&lt;img alt="LOGO" src="g24740g1g50c45.jpg"/&gt; &lt;/div&gt;&lt;div style="margin-top:0pt;margin-bottom:0pt;margin-left:10pt;margin-right:10pt;"&gt; 
&lt;img alt="LOGO" src="g24740g1g33i86.jpg"/&gt; &lt;/div&gt;&lt;div style="margin-top:0pt;margin-bottom:0pt;margin-left:10pt;margin-right:10pt;"&gt; 
&lt;img alt="LOGO" src="g24740g1g24r03.jpg"/&gt; &lt;/div&gt;&lt;div style="margin-top:0pt;margin-bottom:0pt;margin-left:2%;margin-right:2%;font-size:8pt;font-family:arial;text-align:justify;"&gt;(1) Includes the gross market value of the Fund&#x2019;s long and short exposure and short-term repurchase agreements. &lt;/div&gt;</oef:HoldingsTableTextBlock>
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      id="t_19_fe84a4a3_1014_1f9b_685f_f4b542b83eb4">Nuveen Equity Long/Short Fund </oef:FundName>
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      id="t_23_3006889d_b238_77b1_c585_44acfa10f628">This semi-annual&#160;shareholder report contains important information about the Class&#160;I Shares of the Nuveen Equity Long/Short Fund&#160;for the period of&#160;September 1, 2025 to&lt;span style="font-weight:bold"&gt; &lt;/span&gt;February&#160;28, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
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      id="t_22_38d373bc_7d4c_c276_2aa7_50c3243f568b">semi-annual&#160;shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
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      id="t_13_b7c835b7_fe5f_48f4_8448_741d08656c82">You can find additional information at&lt;span style="font-weight:bold"&gt; &lt;/span&gt;&lt;span style="font-family:arial;font-size:9pt;color:#0071ce"&gt;https://www.nuveen.com/en&#x2011;us/mutual&#x2011;funds/prospectuses&lt;/span&gt;&lt;span style="font-family:arial"&gt;. You can also request this information by contacting us at (800)&#160;257&#x2011;8787.&lt;/span&gt;</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20250829_20260228_C000072947Member"
      id="t_24_25754a24_718b_643d_5d56_59217bba895d">https://www.nuveen.com/en&#x2011;us/mutual&#x2011;funds/prospectuses</oef:AddlInfoWebsite>
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      contextRef="D20250829_20260228_C000072947Member"
      id="t_15_3d3e4eaa_2edb_40ba_b9c3_dc897aba63da">(800)&#160;257&#x2011;8787</oef:AddlInfoPhoneNumber>
    <oef:ExpensesTextBlock
      contextRef="D20250829_20260228_C000072947Member"
      id="t_16_233b9e6b_a076_4cc4_8f40_42308bfbc131">&lt;div style="margin-top:0pt;margin-bottom:0pt;margin-left:2%;font-size:11pt;font-family:arial;"&gt;&lt;span style="color:#0071ce"&gt;&lt;span style="font-weight:bold"&gt;What were the Fund costs for the last six months? &lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:arial"&gt;(based on a hypothetical $10,000 investment)&lt;/span&gt;&lt;span style="font-family:arial;color:#0071ce"&gt;&lt;span style="font-weight:bold"&gt; &lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:arial;font-size:8pt;width:96%;border-spacing:0px;margin:0 auto"&gt; 
&lt;tr&gt; 
&lt;td style="width:33%;"&gt;&lt;/td&gt; 
&lt;td style="vertical-align:bottom;"&gt;&lt;/td&gt; 
&lt;td style="width:33%;"&gt;&lt;/td&gt; 
&lt;td style="vertical-align:bottom;"&gt;&lt;/td&gt; 
&lt;td style="width:32%;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size:1pt"&gt; 
&lt;td style="height:3pt;"&gt;&lt;/td&gt; 
&lt;td colspan="2" style="BORDER-LEFT:0.75pt solid #7fb8e6; BORDER-TOP:0.75pt solid #7fb8e6;height:3pt;"&gt;&#160;&lt;/td&gt; 
&lt;td colspan="2" style="BORDER-LEFT:0.75pt solid #7fb8e6; BORDER-TOP:0.75pt solid #7fb8e6; BORDER-RIGHT:0.75pt solid #7fb8e6;height:3pt;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside:avoid;font-family:arial;font-size:8pt"&gt; 
&lt;td style="vertical-align:bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style=" BORDER-LEFT:0.75pt solid #7fb8e6;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;vertical-align:bottom;text-align:right;"&gt; &lt;div style="margin-top:0pt;margin-bottom:0pt;font-size:8pt;font-family:arial;font-weight:bold;text-align:right;"&gt;Cost of a&#x2002;&lt;/div&gt; &lt;div style="margin-top:0pt;margin-bottom:1pt;font-size:8pt;font-family:arial;font-weight:bold;text-align:right;"&gt;$10,000 investment&#x2002;&lt;/div&gt;&lt;/td&gt; 
&lt;td style=" BORDER-LEFT:0.75pt solid #7fb8e6;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-RIGHT:0.75pt solid #7fb8e6; padding-right:2pt;vertical-align:bottom;text-align:right;"&gt;&lt;span style="font-weight:bold"&gt;Costs paid as a percentage of&lt;br/&gt; $10,000 investment*&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size:1pt"&gt; 
&lt;td style="BORDER-LEFT:0.75pt solid #7fb8e6; BORDER-TOP:0.75pt solid #7fb8e6; padding-left:8pt;height:3pt;"&gt;&#160;&lt;/td&gt; 
&lt;td colspan="2" style="BORDER-LEFT:0.75pt solid #7fb8e6; BORDER-TOP:0.75pt solid #7fb8e6;height:3pt;"&gt;&#160;&lt;/td&gt; 
&lt;td colspan="2" style="BORDER-LEFT:0.75pt solid #7fb8e6; BORDER-TOP:0.75pt solid #7fb8e6; BORDER-RIGHT:0.75pt solid #7fb8e6;height:3pt;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside:avoid;font-family:arial;font-size:8pt"&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-LEFT:0.75pt solid #7fb8e6; BORDER-BOTTOM:0.75pt solid #7fb8e6; padding-left:8pt;vertical-align:top;"&gt; &lt;div style="margin-top:0pt;margin-bottom:0pt;margin-left:1.00em;text-indent:-1.00em;font-size:8pt;font-family:arial;"&gt;Class&#160;I Shares&lt;/div&gt;&lt;/td&gt; 
&lt;td style=" BORDER-LEFT:0.75pt solid #7fb8e6; BORDER-BOTTOM:0.75pt solid #7fb8e6;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;vertical-align:bottom;white-space:nowrap;text-align:right;"&gt;$100&#x2002;&lt;/td&gt; 
&lt;td style=" BORDER-LEFT:0.75pt solid #7fb8e6; BORDER-BOTTOM:0.75pt solid #7fb8e6;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-RIGHT:0.75pt solid #7fb8e6; BORDER-BOTTOM:0.75pt solid #7fb8e6; padding-right:2pt;vertical-align:bottom;white-space:nowrap;text-align:right;"&gt;1.96%&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="margin-top:6pt;margin-bottom:0pt;margin-left:2%;margin-right:2%;font-size:8pt;font-family:arial;text-align:justify;"&gt;* Annualized for period less than one year.&lt;/div&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
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      id="h_5_49eb47a1_ee65_4e8c_9073_453305de6b3d"
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    <oef:ExpenseRatioPct
      contextRef="D20250829_20260228_C000072947Member"
      decimals="4"
      id="h_6_ac143049_7353_4258_926b_95e4082ec75e"
      unitRef="pure">0.0196</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20250829_20260228_C000072947Member"
      id="t_17_3e06375c_a065_4b29_ab14_10b0dac7b7ef">&lt;div style="margin-top:0pt;margin-bottom:0pt;margin-left:2%;font-size:11pt;font-family:arial;"&gt;&lt;span style="color:#0071ce"&gt;&lt;span style="font-weight:bold"&gt;Fund Statistics &lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:arial"&gt;(as of February&#160;28, 2026)&lt;/span&gt;&lt;span style="font-family:arial;color:#0071ce"&gt;&lt;span style="font-weight:bold"&gt; &lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:arial;font-size:8pt;width:96%;border-spacing:0px;margin:0 auto"&gt; 
&lt;tr&gt; 
&lt;td style="width:87%;"&gt;&lt;/td&gt; 
&lt;td style="vertical-align:bottom;width:1%;"&gt;&lt;/td&gt; 
&lt;td&gt;&lt;/td&gt; 
&lt;td&gt;&lt;/td&gt; 
&lt;td style="vertical-align:bottom;width:2%;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size:1pt"&gt; 
&lt;td style="height:3pt;"&gt;&lt;/td&gt; 
&lt;td colspan="4" style="height:3pt;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside:avoid;font-family:arial;font-size:8pt"&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;vertical-align:top;"&gt; &lt;div style="margin-top:0pt;margin-bottom:0pt;margin-left:1.00em;text-indent:-1.00em;font-size:8pt;font-family:arial;"&gt;Fund net assets&lt;/div&gt;&lt;/td&gt; 
&lt;td style=" BORDER-BOTTOM:0.75pt solid #7fb8e6;vertical-align:bottom;"&gt;&#160;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;white-space:nowrap;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;white-space:nowrap;vertical-align:bottom;text-align:right;"&gt;$148,996,030&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;white-space:nowrap;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size:1pt"&gt; 
&lt;td style="height:3pt;"&gt;&lt;/td&gt; 
&lt;td colspan="4" style="height:3pt;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside:avoid;font-family:arial;font-size:8pt"&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;vertical-align:top;"&gt; &lt;div style="margin-top:0pt;margin-bottom:0pt;margin-left:1.00em;text-indent:-1.00em;font-size:8pt;font-family:arial;"&gt;Total number of portfolio holdings&lt;/div&gt;&lt;/td&gt; 
&lt;td style=" BORDER-BOTTOM:0.75pt solid #7fb8e6;vertical-align:bottom;"&gt;&#160;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;white-space:nowrap;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;white-space:nowrap;vertical-align:bottom;text-align:right;"&gt;183&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;white-space:nowrap;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size:1pt"&gt; 
&lt;td style="height:3pt;"&gt;&lt;/td&gt; 
&lt;td colspan="4" style="height:3pt;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside:avoid;font-family:arial;font-size:8pt"&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;vertical-align:top;"&gt; &lt;div style="margin-top:0pt;margin-bottom:0pt;margin-left:1.00em;text-indent:-1.00em;font-size:8pt;font-family:arial;"&gt;Portfolio turnover (%)&lt;/div&gt;&lt;/td&gt; 
&lt;td style=" BORDER-BOTTOM:0.75pt solid #7fb8e6;vertical-align:bottom;"&gt;&#160;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;white-space:nowrap;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;white-space:nowrap;vertical-align:bottom;text-align:right;"&gt;35%&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;white-space:nowrap;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
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    <oef:HoldingsCount
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    <us-gaap:InvestmentCompanyPortfolioTurnover
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    <oef:HoldingsTableTextBlock
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      id="t_25_93f971a6_ccfd_7fee_62df_9cfa42d9ab4e">&lt;div style="margin-top:0pt;margin-bottom:0pt;margin-left:10pt;margin-right:10pt;"&gt; 
&lt;img alt="LOGO" src="g24740g1g08c45.jpg"/&gt; &lt;/div&gt;&lt;div style="margin-top:0pt;margin-bottom:0pt;margin-left:10pt;margin-right:10pt;"&gt; 
&lt;img alt="LOGO" src="g24740g1g50k76.jpg"/&gt; &lt;/div&gt;&lt;div style="margin-top:0pt;margin-bottom:0pt;margin-left:10pt;margin-right:10pt;"&gt; 
&lt;img alt="LOGO" src="g24740g1g29w73.jpg"/&gt; &lt;/div&gt;&lt;div style="margin-top:0pt;margin-bottom:0pt;margin-left:2%;margin-right:2%;font-size:8pt;font-family:arial;text-align:justify;"&gt;(1) Includes the gross market value of the Fund&#x2019;s long and short exposure and short-term repurchase agreements. &lt;/div&gt;</oef:HoldingsTableTextBlock>
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        <link:footnote id="f_0003_000001" xlink:label="f_0003_000001" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Annualized for period less than one year.</link:footnote>
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        <link:loc
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        <link:footnote id="f_0005_000002" xlink:label="f_0005_000002" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Annualized for period less than one year.</link:footnote>
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        <link:loc
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        <link:footnote id="f_0005_000003" xlink:label="f_0005_000003" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US"> Includes the gross market value of the Fund&#x2019;s long and short exposure and short-term repurchase agreements.</link:footnote>
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        <link:loc
          xlink:href="#h_501cd9d0_8774_426e_8c99_c73e30c825d2"
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        <link:footnote id="f_0003_000002" xlink:label="f_0003_000002" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US"> Includes the gross market value of the Fund&#x2019;s long and short exposure and short-term repurchase agreements.</link:footnote>
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          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_501cd9d0_8774_426e_8c99_c73e30c825d2"
          xlink:to="f_0003_000002"
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        <link:loc
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