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      <seriesName>Zero Coupon 2025 Fund</seriesName>
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          <isin value="US88059EHM93"/>
          <ticker value="TVAS"/>
          <other otherDesc="SEDOL" value="BFYC3N0"/>
        </identifiers>
        <balance>1000000.0000000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>913383.7800000000</valUSD>
        <pctVal>0.7207424872</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>USGA</issuerCat>
        <invCountry>US</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2024-05-01</maturityDt>
          <couponKind>None</couponKind>
          <annualizedRt>0.000000000000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Tennessee Valley Authority Principal Strip</name>
        <lei>549300HE1ISW43LNKM54</lei>
        <title>Tennessee Valley Authority Principal Strip 0.00 11/01/2025</title>
        <cusip>88059FAV3</cusip>
        <identifiers>
          <isin value="US88059FAV31"/>
          <ticker value="TVASP"/>
          <other otherDesc="SEDOL" value="BYWCFF1"/>
        </identifiers>
        <balance>6000000.0000000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>5298325.9800000000</valUSD>
        <pctVal>4.1808588336</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>USGA</issuerCat>
        <invCountry>US</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2025-11-01</maturityDt>
          <couponKind>None</couponKind>
          <annualizedRt>0.000000000000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>U.S. TREASURY</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>United States Treasury Strip Coupon 0.00 11/15/2025</title>
        <cusip>912833LX6</cusip>
        <identifiers>
          <isin value="US912833LX64"/>
          <ticker value="S"/>
          <other otherDesc="SEDOL" value="BP8YH18"/>
        </identifiers>
        <balance>47200000.0000000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>42278253.5100000000</valUSD>
        <pctVal>33.3613692936</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>USGA</issuerCat>
        <invCountry>US</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2025-11-15</maturityDt>
          <couponKind>None</couponKind>
          <annualizedRt>0.000000000000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>U.S. TREASURY</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>United States Treasury Strip Coupon 0.00 11/15/2026</title>
        <cusip>912833PB0</cusip>
        <identifiers>
          <isin value="US912833PB09"/>
          <ticker value="S"/>
          <other otherDesc="SEDOL" value="2419046"/>
        </identifiers>
        <balance>2000000.0000000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>1752990.2000000000</valUSD>
        <pctVal>1.3832679587</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>USGA</issuerCat>
        <invCountry>US</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2026-11-15</maturityDt>
          <couponKind>None</couponKind>
          <annualizedRt>0.000000000000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
    </invstOrSecs>
    <signature>
      <ncom:dateSigned>2020-02-25</ncom:dateSigned>
      <ncom:nameOfApplicant>American Century Target Maturities 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>
