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      <regZipOrPostalCode>64111</regZipOrPostalCode>
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      <seriesName>American Century Focused Dynamic Growth ETF</seriesName>
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      <totLiabs>4880296.870000000000</totLiabs>
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          <isNonCashCollateral>N</isNonCashCollateral>
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        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>NIKE Inc</name>
        <lei>787RXPR0UX0O0XUXPZ81</lei>
        <title>NIKE Inc</title>
        <cusip>654106103</cusip>
        <identifiers>
          <isin value="US6541061031"/>
          <ticker value="NKE"/>
          <other otherDesc="SEDOL" value="2640147"/>
        </identifiers>
        <balance>36760.0000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>3913102.0000000000</valUSD>
        <pctVal>2.7884422687</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>NVIDIA Corp</name>
        <lei>549300S4KLFTLO7GSQ80</lei>
        <title>NVIDIA Corp</title>
        <cusip>67066G104</cusip>
        <identifiers>
          <isin value="US67066G1040"/>
          <ticker value="NVDA"/>
          <other otherDesc="SEDOL" value="2379504"/>
        </identifiers>
        <balance>25493.0000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>3847913.4200000000</valUSD>
        <pctVal>2.7419894566</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>Okta Inc</name>
        <lei>549300N8J06I8MRHU620</lei>
        <title>Okta Inc</title>
        <cusip>679295105</cusip>
        <identifiers>
          <isin value="US6792951054"/>
          <ticker value="OKTA"/>
          <other otherDesc="SEDOL" value="BDFZSP1"/>
        </identifiers>
        <balance>37194.0000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>3399531.6000000000</valUSD>
        <pctVal>2.4224764923</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>Paylocity Holding Corp</name>
        <lei>549300VH75FTB4DIEE07</lei>
        <title>Paylocity Holding Corp</title>
        <cusip>70438V106</cusip>
        <identifiers>
          <isin value="US70438V1061"/>
          <ticker value="PCTY"/>
          <other otherDesc="SEDOL" value="BKM4N88"/>
        </identifiers>
        <balance>23982.0000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>5779662.0000000000</valUSD>
        <pctVal>4.1185366033</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>Regeneron Pharmaceuticals Inc</name>
        <lei>549300RCBFWIRX3HYQ56</lei>
        <title>Regeneron Pharmaceuticals Inc</title>
        <cusip>75886F107</cusip>
        <identifiers>
          <isin value="US75886F1075"/>
          <ticker value="REGN"/>
          <other otherDesc="SEDOL" value="2730190"/>
        </identifiers>
        <balance>7842.0000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>4556672.5200000000</valUSD>
        <pctVal>3.2470449938</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>Rocket Lab USA Inc</name>
        <lei>N/A</lei>
        <title>Rocket Lab USA Inc</title>
        <cusip>773122106</cusip>
        <identifiers>
          <isin value="US7731221062"/>
          <ticker value="RKLB"/>
          <other otherDesc="SEDOL" value="BM8Z538"/>
        </identifiers>
        <balance>155058.0000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>852819.0000000000</valUSD>
        <pctVal>0.6077113623</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>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>1851154.9600000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1851154.9600000000</valUSD>
        <pctVal>1.3191168378</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>S&amp;P Global Inc</name>
        <lei>Y6X4K52KMJMZE7I7MY94</lei>
        <title>S&amp;P Global Inc</title>
        <cusip>78409V104</cusip>
        <identifiers>
          <isin value="US78409V1044"/>
          <ticker value="SPGI"/>
          <other otherDesc="SEDOL" value="BYV2325"/>
        </identifiers>
        <balance>13052.0000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>4596653.3600000000</valUSD>
        <pctVal>3.2755349908</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>salesforce.com Inc</name>
        <lei>RCGZFPDMRW58VJ54VR07</lei>
        <title>Salesforce Inc</title>
        <cusip>79466L302</cusip>
        <identifiers>
          <isin value="US79466L3024"/>
          <ticker value="CRM"/>
          <other otherDesc="SEDOL" value="2310525"/>
        </identifiers>
        <balance>16860.0000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2632183.2000000000</valUSD>
        <pctVal>1.8756707323</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>Silk Road Medical Inc</name>
        <lei>N/A</lei>
        <title>Silk Road Medical Inc</title>
        <cusip>82710M100</cusip>
        <identifiers>
          <isin value="US82710M1009"/>
          <ticker value="SILK"/>
          <other otherDesc="SEDOL" value="BGHVXJ7"/>
        </identifiers>
        <balance>26550.0000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1057486.5000000000</valUSD>
        <pctVal>0.7535556331</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>Block Inc</name>
        <lei>549300OHIIUWSTIZME52</lei>
        <title>Block Inc</title>
        <cusip>852234103</cusip>
        <identifiers>
          <isin value="US8522341036"/>
          <ticker value="SQ"/>
          <other otherDesc="SEDOL" value="BYNZGK1"/>
        </identifiers>
        <balance>32273.0000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2223932.4300000000</valUSD>
        <pctVal>1.5847548033</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>Tesla Inc</name>
        <lei>54930043XZGB27CTOV49</lei>
        <title>Tesla Inc</title>
        <cusip>88160R101</cusip>
        <identifiers>
          <isin value="US88160R1014"/>
          <ticker value="TSLA"/>
          <other otherDesc="SEDOL" value="B616C79"/>
        </identifiers>
        <balance>45324.0000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>12491747.6400000000</valUSD>
        <pctVal>8.9015101393</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>Verisk Analytics Inc</name>
        <lei>549300I1YSWNIRKBWP67</lei>
        <title>Verisk Analytics Inc</title>
        <cusip>92345Y106</cusip>
        <identifiers>
          <isin value="US92345Y1064"/>
          <ticker value="VRSK"/>
          <other otherDesc="SEDOL" value="B4P9W92"/>
        </identifiers>
        <balance>9094.0000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1702033.0400000000</valUSD>
        <pctVal>1.2128538616</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>Visa Inc</name>
        <lei>549300JZ4OKEHW3DPJ59</lei>
        <title>Visa Inc</title>
        <cusip>92826C839</cusip>
        <identifiers>
          <isin value="US92826C8394"/>
          <ticker value="V"/>
          <other otherDesc="SEDOL" value="B2PZN04"/>
        </identifiers>
        <balance>31352.0000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>6229955.9200000000</valUSD>
        <pctVal>4.4394121133</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>Westinghouse Air Brake Technologies Corp</name>
        <lei>06BTX5UWZD0GQ5N5Y745</lei>
        <title>Westinghouse Air Brake Technologies Corp</title>
        <cusip>929740108</cusip>
        <identifiers>
          <isin value="US9297401088"/>
          <ticker value="WAB"/>
          <other otherDesc="SEDOL" value="2955733"/>
        </identifiers>
        <balance>68533.0000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>6006917.4500000000</valUSD>
        <pctVal>4.2804768498</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>2022-10-25</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>
</edgarSubmission>
