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        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2029-05-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>6.25000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <loanByFundCondition isLoanByFund="Y" loanVal="6401249.84000000"/>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Freddie Mac</name>
        <lei>S6XOOCT0IEG5ABCC6L87</lei>
        <title>Federal Home Loan Mortgage Corp</title>
        <cusip>3137EAEN5</cusip>
        <identifiers>
          <isin value="US3137EAEN50"/>
        </identifiers>
        <balance>24000000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>24755096.16000000</valUSD>
        <pctVal>5.375039918899</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>USGSE</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2023-06-19</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>2.75000000</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>INTL BK RECON &amp; DEVELOP</name>
        <lei>ZTMSNXROF84AHWJNKQ93</lei>
        <title>International Bank for Reconstruction &amp; Development</title>
        <cusip>459058JX2</cusip>
        <identifiers>
          <isin value="US459058JX27"/>
        </identifiers>
        <balance>15000000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>14739911.10000000</valUSD>
        <pctVal>3.200456586855</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>NUSS</issuerCat>
        <invCountry>XX</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2026-07-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.88000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <loanByFundCondition isLoanByFund="Y" loanVal="9009511.19000000"/>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Chicago Board of Trade</name>
        <lei>549300EX04Q2QBFQTQ27</lei>
        <title>US 5YR NOTE (CBT) MAR22</title>
        <cusip>000000000</cusip>
        <identifiers>
          <other otherDesc="Bloomberg Identifier" value="BBG011KG6662"/>
        </identifiers>
        <balance>123.00000000</balance>
        <units>NC</units>
        <curCd>USD</curCd>
        <valUSD>62249.44000000</valUSD>
        <pctVal>0.013516135133</pctVal>
        <payoffProfile>N/A</payoffProfile>
        <assetCat>DIR</assetCat>
        <issuerConditional desc="derivative" issuerCat="OTHER"/>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <derivativeInfo>
          <futrDeriv derivCat="FUT">
            <counterparties>
              <counterpartyName>Chicago Board of Trade</counterpartyName>
              <counterpartyLei>549300EX04Q2QBFQTQ27</counterpartyLei>
            </counterparties>
            <payOffProf>Long</payOffProf>
            <descRefInstrmnt>
              <indexBasketInfo>
                <indexName>CBOT 5 Year US Treasury Note</indexName>
                <indexIdentifier>FVH2 COMDTY</indexIdentifier>
              </indexBasketInfo>
            </descRefInstrmnt>
            <expDate>2022-03-31</expDate>
            <notionalAmt>14817867.81000000</notionalAmt>
            <curCd>USD</curCd>
            <unrealizedAppr>62249.44000000</unrealizedAppr>
          </futrDeriv>
        </derivativeInfo>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Fannie Mae</name>
        <lei>B1V7KEBTPIMZEU4LTD58</lei>
        <title>Federal National Mortgage Association</title>
        <cusip>3135G0V34</cusip>
        <identifiers>
          <isin value="US3135G0V340"/>
        </identifiers>
        <balance>12000000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>12426963.60000000</valUSD>
        <pctVal>2.698249483216</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>USGSE</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2024-02-05</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>2.50000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <loanByFundCondition isLoanByFund="Y" loanVal="10705785.71000000"/>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>FREDDIE MAC</name>
        <lei>S6XOOCT0IEG5ABCC6L87</lei>
        <title>Federal Home Loan Mortgage Corp</title>
        <cusip>3137EAEP0</cusip>
        <identifiers>
          <isin value="US3137EAEP09"/>
        </identifiers>
        <balance>5000000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>5073208.10000000</valUSD>
        <pctVal>1.101538684323</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>USGSE</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2025-02-12</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>1.50000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <loanByFundCondition isLoanByFund="Y" loanVal="2584772.07000000"/>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>FEDERAL HOME LOAN BANK</name>
        <lei>2549001DPIFGXC1TOL40</lei>
        <title>Federal Home Loan Banks</title>
        <cusip>3130AFFX0</cusip>
        <identifiers>
          <isin value="US3130AFFX04"/>
        </identifiers>
        <balance>37000000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>41374409.73000000</valUSD>
        <pctVal>8.983568574416</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>USGSE</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2028-11-16</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>3.25000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <loanByFundCondition isLoanByFund="Y" loanVal="34233267.34000000"/>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>United States Treasury</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>United States Treasury Note/Bond</title>
        <cusip>912828YQ7</cusip>
        <identifiers>
          <isin value="US912828YQ73"/>
        </identifiers>
        <balance>66000000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>67157577.96000000</valUSD>
        <pctVal>14.58183236528</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2026-10-31</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>1.63000000</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>Fixed Income Clearing Corp</name>
        <lei>549300H47WTHXPU08X20</lei>
        <title>FIXED INC CLEARING CORP.REPO</title>
        <cusip>000000000</cusip>
        <identifiers>
          <other otherDesc="Internal Identifier" value="85748R009"/>
        </identifiers>
        <balance>72296084.37000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>72296084.37000000</valUSD>
        <pctVal>15.69754918168</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>RA</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <repurchaseAgrmt>
          <transCat>Repurchase</transCat>
          <clearedCentCparty centralCounterparty="Fixed Income Clearing Corp" isCleared="Y"/>
          <isTriParty>N</isTriParty>
          <repurchaseRt>0.00000000</repurchaseRt>
          <maturityDt>2022-01-03</maturityDt>
          <repurchaseCollaterals>
            <repurchaseCollateral>
              <principalAmt>74042800.00000000</principalAmt>
              <principalCd>USD</principalCd>
              <collateralVal>73742038.15000000</collateralVal>
              <collateralCd>USD</collateralCd>
              <invstCat>UST</invstCat>
            </repurchaseCollateral>
          </repurchaseCollaterals>
        </repurchaseAgrmt>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>United States Treasury</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>United States Treasury Strip Coupon</title>
        <cusip>912833LY4</cusip>
        <identifiers>
          <isin value="US912833LY48"/>
        </identifiers>
        <balance>68000000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>64820003.80000000</valUSD>
        <pctVal>14.07427810889</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2026-02-15</maturityDt>
          <couponKind>None</couponKind>
          <annualizedRt>0.00000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <loanByFundCondition isLoanByFund="Y" loanVal="16060059.68000000"/>
        </securityLending>
      </invstOrSec>
    </invstOrSecs>
    <explntrNotes>
      <explntrNote note="Monthly returns presented in Item B.5(a) have been calculated without deducting any applicable sales loads or redemption fees." noteItem="B.5.a"/>
      <explntrNote note="Monthly returns presented in Item B.5(a) have been calculated without deducting any applicable sales loads or redemption fees." noteItem="B.5.a"/>
    </explntrNotes>
    <signature>
      <ncom:dateSigned>2022-01-25</ncom:dateSigned>
      <ncom:nameOfApplicant>TRANSAMERICA SERIES TRUST</ncom:nameOfApplicant>
      <ncom:signature>Vincent Toner</ncom:signature>
      <ncom:signerName>Vincent Toner</ncom:signerName>
      <ncom:title>Treasurer</ncom:title>
    </signature>
  </formData>
</edgarSubmission>
