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        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>Cadence Design Systems Inc</name>
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        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>1</fairValLevel>
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        <name>Cava Group Inc</name>
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        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>1</fairValLevel>
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        <name>Chipotle Mexican Grill Inc</name>
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        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>1</fairValLevel>
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        <name>Cognex Corp</name>
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        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>1</fairValLevel>
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        <name>Coherent Corp</name>
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        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>1</fairValLevel>
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        <name>Denali Therapeutics Inc</name>
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        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>1</fairValLevel>
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        <name>Docusign Inc</name>
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        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>1</fairValLevel>
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        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>1</fairValLevel>
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        <name>Kinsale Capital Group Inc</name>
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        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>1</fairValLevel>
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        <name>Lam Research Corp</name>
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        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>1</fairValLevel>
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        <name>Mastercard Inc</name>
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        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>1</fairValLevel>
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        <name>Microsoft Corp</name>
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        <name>Monolithic Power Systems Inc</name>
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        <name>Netflix Inc</name>
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        <name>NVIDIA Corp</name>
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        <name>Rivian Automotive Inc</name>
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        <name>Robinhood Markets Inc</name>
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        <name>Rocket Lab Corp</name>
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        <fairValLevel>1</fairValLevel>
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        <name>State Street Institutional US Government Money Market Fund</name>
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        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
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          <other otherDesc="SEDOL" value="BYV2325"/>
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        <invCountry>US</invCountry>
        
        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>1</fairValLevel>
        <securityLending>
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          <isNonCashCollateral>N</isNonCashCollateral>
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          <ticker value="SHOP"/>
          <other otherDesc="SEDOL" value="BXDZ9Z0"/>
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        <curCd>USD</curCd>
        <valUSD>7131621.9600000000</valUSD>
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        <issuerCat>CORP</issuerCat>
        <invCountry>CA</invCountry>
        
        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>1</fairValLevel>
        <securityLending>
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          <isNonCashCollateral>N</isNonCashCollateral>
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      <invstOrSec>
        <name>Structure Therapeutics Inc</name>
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          <ticker value="GPCR"/>
          <other otherDesc="SEDOL" value="BQS9486"/>
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        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>1</fairValLevel>
        <securityLending>
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      </invstOrSec>
      <invstOrSec>
        <name>Tesla Inc</name>
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          <isin value="US88160R1014"/>
          <ticker value="TSLA"/>
          <other otherDesc="SEDOL" value="B616C79"/>
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        <balance>60224.0000000000</balance>
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        <curCd>USD</curCd>
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        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        
        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>Verisk Analytics Inc</name>
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          <ticker value="VRSK"/>
          <other otherDesc="SEDOL" value="B4P9W92"/>
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        <balance>9297.0000000000</balance>
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        <curCd>USD</curCd>
        <valUSD>1626882.0300000000</valUSD>
        <pctVal>0.3940198023</pctVal>
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        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        
        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <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>3281.0000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1070787.1600000000</valUSD>
        <pctVal>0.2593373934</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>2026-07-29</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>
