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      </invstOrSec>
      <invstOrSec>
        <name>Duolingo Inc</name>
        <lei>N/A</lei>
        <title>Duolingo Inc</title>
        <cusip>26603R106</cusip>
        <identifiers>
          <isin value="US26603R1068"/>
          <ticker value="DUOL"/>
          <other otherDesc="SEDOL" value="BMCM6P4"/>
        </identifiers>
        <balance>1167.0000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>223375.4700000000</valUSD>
        <pctVal>0.2462757520</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Element Solutions Inc</name>
        <lei>549300FLGN6P5CU20J91</lei>
        <title>Element Solutions Inc</title>
        <cusip>28618M106</cusip>
        <identifiers>
          <isin value="US28618M1062"/>
          <ticker value="ESI"/>
          <other otherDesc="SEDOL" value="BJ1C2K1"/>
        </identifiers>
        <balance>67844.0000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1758516.4800000000</valUSD>
        <pctVal>1.9387982422</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Equifax Inc</name>
        <lei>5493004MCF8JDC86VS77</lei>
        <title>Equifax Inc</title>
        <cusip>294429105</cusip>
        <identifiers>
          <isin value="US2944291051"/>
          <ticker value="EFX"/>
          <other otherDesc="SEDOL" value="2319146"/>
        </identifiers>
        <balance>9131.0000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1939150.4700000000</valUSD>
        <pctVal>2.1379506905</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>GE HealthCare Technologies Inc</name>
        <lei>549300OI9J7XOWZMUN85</lei>
        <title>GE HealthCare Technologies Inc</title>
        <cusip>36266G107</cusip>
        <identifiers>
          <isin value="US36266G1076"/>
          <ticker value="GEHC"/>
          <other otherDesc="SEDOL" value="BL6JPG8"/>
        </identifiers>
        <balance>28568.0000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2285154.3200000000</valUSD>
        <pctVal>2.5194265901</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Hubbell Inc</name>
        <lei>54930088VDQ6840Y6597</lei>
        <title>Hubbell Inc</title>
        <cusip>443510607</cusip>
        <identifiers>
          <isin value="US4435106079"/>
          <ticker value="HUBB"/>
          <other otherDesc="SEDOL" value="BDFG6S3"/>
        </identifiers>
        <balance>5259.0000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2268890.3700000000</valUSD>
        <pctVal>2.5014952724</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>IDEXX Laboratories Inc</name>
        <lei>OGMTXK0LUU1HKV2P0J84</lei>
        <title>IDEXX Laboratories Inc</title>
        <cusip>45168D104</cusip>
        <identifiers>
          <isin value="US45168D1046"/>
          <ticker value="IDXX"/>
          <other otherDesc="SEDOL" value="2459202"/>
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        <balance>1713.0000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1289683.4400000000</valUSD>
        <pctVal>1.4219007982</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>Insulet Corp</name>
        <lei>549300TZTYD2PYN92D43</lei>
        <title>Insulet Corp</title>
        <cusip>45784P101</cusip>
        <identifiers>
          <isin value="US45784P1012"/>
          <ticker value="PODD"/>
          <other otherDesc="SEDOL" value="B1XGNW4"/>
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        <balance>4474.0000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1463848.0600000000</valUSD>
        <pctVal>1.6139206416</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>Pool Corp</name>
        <lei>5493005VZK1KMN6CO617</lei>
        <title>Pool Corp</title>
        <cusip>73278L105</cusip>
        <identifiers>
          <isin value="US73278L1052"/>
          <ticker value="POOL"/>
          <other otherDesc="SEDOL" value="2781585"/>
        </identifiers>
        <balance>9996.0000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2435025.6000000000</valUSD>
        <pctVal>2.6846625589</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Republic Services Inc</name>
        <lei>NKNQHM6BLECKVOQP7O46</lei>
        <title>Republic Services Inc</title>
        <cusip>760759100</cusip>
        <identifiers>
          <isin value="US7607591002"/>
          <ticker value="RSG"/>
          <other otherDesc="SEDOL" value="2262530"/>
        </identifiers>
        <balance>11046.0000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2397644.7600000000</valUSD>
        <pctVal>2.6434494638</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>State Street Institutional US Government Money Market Fund</name>
        <lei>549300BZ5TGIFZUZDZ37</lei>
        <title>State Street Institutional US Government Money Market Fund</title>
        <cusip>857492706</cusip>
        <identifiers>
          <isin value="US8574927062"/>
          <ticker value="GVMXX"/>
          <other otherDesc="SEDOL" value="B284MN4"/>
        </identifiers>
        <balance>422549.2700000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>422549.2700000000</valUSD>
        <pctVal>0.4658686974</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>STIV</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Sprouts Farmers Market Inc</name>
        <lei>N/A</lei>
        <title>Sprouts Farmers Market Inc</title>
        <cusip>85208M102</cusip>
        <identifiers>
          <isin value="US85208M1027"/>
          <ticker value="SFM"/>
          <other otherDesc="SEDOL" value="BCGCR79"/>
        </identifiers>
        <balance>16832.0000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1410689.9200000000</valUSD>
        <pctVal>1.5553127698</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>TPG Inc</name>
        <lei>549300NLO4R8MX77XJ02</lei>
        <title>TPG Inc</title>
        <cusip>872657101</cusip>
        <identifiers>
          <isin value="US8726571016"/>
          <ticker value="TPG"/>
          <other otherDesc="SEDOL" value="BNKBB55"/>
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        <balance>35374.0000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2089895.9200000000</valUSD>
        <pctVal>2.3041504485</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Targa Resources Corp</name>
        <lei>5493003QENHHS261UR94</lei>
        <title>Targa Resources Corp</title>
        <cusip>87612G101</cusip>
        <identifiers>
          <isin value="US87612G1013"/>
          <ticker value="TRGP"/>
          <other otherDesc="SEDOL" value="B55PZY3"/>
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        <balance>16373.0000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2870350.6300000000</valUSD>
        <pctVal>3.1646167775</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Toast Inc</name>
        <lei>N/A</lei>
        <title>Toast Inc</title>
        <cusip>888787108</cusip>
        <identifiers>
          <isin value="US8887871080"/>
          <ticker value="TOST"/>
          <other otherDesc="SEDOL" value="BP6D7B7"/>
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        <balance>27668.0000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>945968.9200000000</valUSD>
        <pctVal>1.0429489289</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>TopBuild Corp</name>
        <lei>5493007YSKHOL4RWII46</lei>
        <title>TopBuild Corp</title>
        <cusip>89055F103</cusip>
        <identifiers>
          <isin value="US89055F1030"/>
          <ticker value="BLD"/>
          <other otherDesc="SEDOL" value="BZ0P3W2"/>
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        <balance>8844.0000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>4001910.0000000000</valUSD>
        <pctVal>4.4121827471</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>Tractor Supply Co</name>
        <lei>549300OJ9VZHZRO6I137</lei>
        <title>Tractor Supply Co</title>
        <cusip>892356106</cusip>
        <identifiers>
          <isin value="US8923561067"/>
          <ticker value="TSCO"/>
          <other otherDesc="SEDOL" value="2900335"/>
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        <balance>65689.0000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>3598443.4200000000</valUSD>
        <pctVal>3.9673530825</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>Vertiv Holdings Co</name>
        <lei>549300KTTIRAOGXCRV69</lei>
        <title>Vertiv Holdings Co</title>
        <cusip>92537N108</cusip>
        <identifiers>
          <isin value="US92537N1081"/>
          <ticker value="VRT"/>
          <other otherDesc="SEDOL" value="BL3LWS8"/>
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        <balance>11158.0000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2005427.3400000000</valUSD>
        <pctVal>2.2110222144</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Vistra Corp</name>
        <lei>N/A</lei>
        <title>Vistra Corp</title>
        <cusip>92840M102</cusip>
        <identifiers>
          <isin value="US92840M1027"/>
          <ticker value="VST"/>
          <other otherDesc="SEDOL" value="BZ8VJQ8"/>
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        <balance>23895.0000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>4273859.7000000000</valUSD>
        <pctVal>4.7120125220</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>WESCO International Inc</name>
        <lei>N/A</lei>
        <title>WESCO International Inc</title>
        <cusip>95082P105</cusip>
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          <isin value="US95082P1057"/>
          <ticker value="WCC"/>
          <other otherDesc="SEDOL" value="2416973"/>
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        <balance>11987.0000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>3205443.6700000000</valUSD>
        <pctVal>3.5340632992</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>West Pharmaceutical Services Inc</name>
        <lei>5493007NKRGM1RJQ1P16</lei>
        <title>West Pharmaceutical Services Inc</title>
        <cusip>955306105</cusip>
        <identifiers>
          <isin value="US9553061055"/>
          <ticker value="WST"/>
          <other otherDesc="SEDOL" value="2950482"/>
        </identifiers>
        <balance>9046.0000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2508003.5000000000</valUSD>
        <pctVal>2.7651220973</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
    </invstOrSecs>
    <signature>
      <ncom:dateSigned>2026-01-27</ncom:dateSigned>
      <ncom:nameOfApplicant>American Century ETF Trust</ncom:nameOfApplicant>
      <ncom:signature>Amy R. Bitter</ncom:signature>
      <ncom:signerName>Amy R. Bitter</ncom:signerName>
      <ncom:title>Assistant Treasurer</ncom:title>
    </signature>
  </formData>
  <documents>XXXX</documents>
</edgarSubmission>
