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        <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>American Century NT Heritage - G Class</name>
        <lei>N/A</lei>
        <title>American Century NT Heritage - G Class</title>
        <cusip>02508H733</cusip>
        <identifiers>
          <isin value="US02508H7338"/>
          <ticker value="ACLWX"/>
        </identifiers>
        <balance>5542575.4840000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>67286866.3800000000</valUSD>
        <pctVal>6.2523691540</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</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>American Century NT Growth - G Class</name>
        <lei>N/A</lei>
        <title>American Century NT Growth - G Class</title>
        <cusip>02508H741</cusip>
        <identifiers>
          <isin value="US02508H7411"/>
          <ticker value="ACLTX"/>
        </identifiers>
        <balance>4572469.0490000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>78600742.9500000000</valUSD>
        <pctVal>7.3036669286</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</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>
    </invstOrSecs>
    <signature>
      <ncom:dateSigned>2020-03-24</ncom:dateSigned>
      <ncom:nameOfApplicant>American Century Asset Allocation Portfolios, Inc.</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>
