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    <isConfidential>false</isConfidential>
    <filerInfo>

      <filer>
        <issuerCredentials>
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          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
      </filer>


      <seriesClassInfo>
        <seriesId>S000067836</seriesId>
        <classId>C000217588</classId>
      </seriesClassInfo>


    </filerInfo>
  </headerData>
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      <regFileNumber>811-04419</regFileNumber>
      <regCik>0000778207</regCik>
      <regLei>5493000QR1WGXIM5V222</regLei>
      <regStreet1>1801 CALIFORNIA STREET</regStreet1>
      <regStreet2>SUITE 5200</regStreet2>
      <regCity>DENVER</regCity>
      <regStateConditional regCountry="US" regState="US-CO"/>
      <regZipOrPostalCode>80202</regZipOrPostalCode>
      <regPhone>720-493-4256</regPhone>
      <seriesName>Transamerica Goldman Sachs 70/30 Allocation VP</seriesName>
      <seriesId>S000067836</seriesId>
      <seriesLei>5493007DBG4SRJ2CLQ44</seriesLei>
      <repPdEnd>2025-12-31</repPdEnd>
      <repPdDate>2025-06-30</repPdDate>
      <isFinalFiling>N</isFinalFiling>
    </genInfo>
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      <totLiabs>23189.32</totLiabs>
      <netAssets>14213760.77</netAssets>
      <assetsAttrMiscSec>0.00000000</assetsAttrMiscSec>
      <assetsInvested>0.00000000</assetsInvested>
      <amtPayOneYrBanksBorr>0.00000000</amtPayOneYrBanksBorr>
      <amtPayOneYrCtrldComp>0.00000000</amtPayOneYrCtrldComp>
      <amtPayOneYrOthAffil>0.00000000</amtPayOneYrOthAffil>
      <amtPayOneYrOther>0.00000000</amtPayOneYrOther>
      <amtPayAftOneYrBanksBorr>0.00000000</amtPayAftOneYrBanksBorr>
      <amtPayAftOneYrCtrldComp>0.00000000</amtPayAftOneYrCtrldComp>
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      <amtPayAftOneYrOther>0.00000000</amtPayAftOneYrOther>
      <delayDeliv>0.00000000</delayDeliv>
      <standByCommit>0.00000000</standByCommit>
      <liquidPref>0.00000000</liquidPref>
      <cshNotRptdInCorD>0.00000000</cshNotRptdInCorD>
      <isNonCashCollateral>N</isNonCashCollateral>
      <returnInfo>
        <monthlyTotReturns>
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        <othMon1 netRealizedGain="-7929.27000000" netUnrealizedAppr="42898.59000000"/>
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      <mon1Flow redemption="145296.29000000" reinvestment="0.00000000" sales="803965.77000000"/>
      <mon2Flow redemption="77812.58000000" reinvestment="0.00000000" sales="38002.01000000"/>
      <mon3Flow redemption="917883.00000000" reinvestment="0.00000000" sales="1114717.45000000"/>



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        <name>Transamerica Aegon Sustainable Equity Income VP</name>
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        <title>Transamerica Aegon Sustainable Equity Income VP</title>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>Transamerica Emerging Markets Equity</name>
        <lei>549300Q6NK6QLC610345</lei>
        <title>Transamerica Emerging Markets Equity</title>
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        <identifiers>
          <isin value="US89360T2107"/>
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        <balance>32164.39000000</balance>
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        <curCd>USD</curCd>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>Transamerica Small Cap Value</name>
        <lei>549300RKIQDFFOVG9875</lei>
        <title>Transamerica Small Cap Value</title>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Transamerica Small Cap Growth</name>
        <lei>549300CCDLPC22NHUA05</lei>
        <title>Transamerica Small Cap Growth</title>
        <cusip>89355J656</cusip>
        <identifiers>
          <isin value="US89355J6560"/>
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        <balance>23957.02000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>141106.84000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Transamerica Bond</name>
        <lei>54930028OHE6MAPEQC05</lei>
        <title>Transamerica Bond</title>
        <cusip>893961334</cusip>
        <identifiers>
          <isin value="US8939613340"/>
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        <balance>153592.48000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1242563.15000000</valUSD>
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        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Transamerica Intermediate Bond</name>
        <lei>549300ZF0O00XTDBKY49</lei>
        <title>Transamerica Core Bond</title>
        <cusip>89354D106</cusip>
        <identifiers>
          <isin value="US89354D1063"/>
        </identifiers>
        <balance>335063.13000000</balance>
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        <curCd>USD</curCd>
        <valUSD>2881542.90000000</valUSD>
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        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Transamerica Large Cap Value</name>
        <lei>549300NMC5GPLD2ULC77</lei>
        <title>Transamerica Large Cap Value</title>
        <cusip>893509257</cusip>
        <identifiers>
          <isin value="US8935092572"/>
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        <balance>189713.09000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2951935.60000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Transamerica International Equity</name>
        <lei>549300VAB3EZIHJBZ196</lei>
        <title>Transamerica International Equity</title>
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          <isin value="US8935092168"/>
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        <curCd>USD</curCd>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Transamerica WMC US Growth VP</name>
        <lei>5493001V6580U6S22125</lei>
        <title>Transamerica WMC US Growth VP</title>
        <cusip>89360C332</cusip>
        <identifiers>
          <isin value="US89360C3328"/>
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        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>3447309.08000000</valUSD>
        <pctVal>24.25332138188</pctVal>
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        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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          <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>101702.83000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>101702.83000000</valUSD>
        <pctVal>0.715523721312</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>1.80000000</repurchaseRt>
          <maturityDt>2025-07-01</maturityDt>
          <repurchaseCollaterals>
            <repurchaseCollateral>
              <principalAmt>101900.00000000</principalAmt>
              <principalCd>USD</principalCd>
              <collateralVal>103737.28000000</collateralVal>
              <collateralCd>USD</collateralCd>
              <invstCat>UST</invstCat>
            </repurchaseCollateral>
          </repurchaseCollaterals>
        </repurchaseAgrmt>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Transamerica International Stock</name>
        <lei>549300PMWLIX97VXH139</lei>
        <title>Transamerica International Stock</title>
        <cusip>89360T293</cusip>
        <identifiers>
          <isin value="US89360T2933"/>
        </identifiers>
        <balance>98058.34000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1352224.49000000</valUSD>
        <pctVal>9.513488455877</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>
    <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"/>
    </explntrNotes>
    <signature>
      <ncom:dateSigned>2025-07-15</ncom:dateSigned>
      <ncom:nameOfApplicant>TRANSAMERICA SERIES TRUST</ncom:nameOfApplicant>
      <ncom:signature>Joshua Durham</ncom:signature>
      <ncom:signerName>Joshua Durham</ncom:signerName>
      <ncom:title>Chief Operating Officer and Interim Treasurer</ncom:title>
    </signature>
  </formData>
</edgarSubmission>
