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        <balance>4944466.84000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>53449686.54000000</valUSD>
        <pctVal>15.48055000124</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>Chicago Board Of Trade</name>
        <lei>549300EX04Q2QBFQTQ27</lei>
        <title>US ULTRA BOND CBT DEC19 XCBT 20191219</title>
        <cusip>000000000</cusip>
        <identifiers>
          <other otherDesc="Internal Identifier" value="ADI19Y7L4"/>
        </identifiers>
        <balance>-16.00000000</balance>
        <units>NC</units>
        <curCd>USD</curCd>
        <valUSD>97106.65000000</valUSD>
        <pctVal>0.028124848770</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>Short</payOffProf>
            <descRefInstrmnt>
              <indexBasketInfo>
                <indexName>US Treasury Ultra Long Bond</indexName>
                <indexIdentifier>WNZ9 Comdty</indexIdentifier>
              </indexBasketInfo>
            </descRefInstrmnt>
            <expDate>2019-12-19</expDate>
            <notionalAmt>-3133106.65000000</notionalAmt>
            <curCd>USD</curCd>
            <unrealizedAppr>97106.65000000</unrealizedAppr>
          </futrDeriv>
        </derivativeInfo>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Chicago Mercantile Exchange</name>
        <lei>SNZ2OJLFK8MNNCLQOF39</lei>
        <title>S+P MID 400 EMINI DEC19 XCME 20191220</title>
        <cusip>000000000</cusip>
        <identifiers>
          <other otherDesc="Internal Identifier" value="ADI1F5102"/>
        </identifiers>
        <balance>53.00000000</balance>
        <units>NC</units>
        <curCd>USD</curCd>
        <valUSD>-55100.63000000</valUSD>
        <pctVal>-0.01595871020</pctVal>
        <payoffProfile>N/A</payoffProfile>
        <assetCat>DE</assetCat>
        <issuerConditional desc="derivative" issuerCat="OTHER"/>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <derivativeInfo>
          <futrDeriv derivCat="FUT">
            <counterparties>
              <counterpartyName>Chicago Mercantile Exchange</counterpartyName>
              <counterpartyLei>SNZ2OJLFK8MNNCLQOF39</counterpartyLei>
            </counterparties>
            <payOffProf>Long</payOffProf>
            <descRefInstrmnt>
              <indexBasketInfo>
                <indexName>S&amp;P MID 400 EMINI Index</indexName>
                <indexIdentifier>FAZ9 Index</indexIdentifier>
              </indexBasketInfo>
            </descRefInstrmnt>
            <expDate>2019-12-20</expDate>
            <notionalAmt>10416600.63000000</notionalAmt>
            <curCd>USD</curCd>
            <unrealizedAppr>-55100.63000000</unrealizedAppr>
          </futrDeriv>
        </derivativeInfo>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>State Street Global Advisors</name>
        <lei>549300BZ5TGIFZUZDZ37</lei>
        <title>State Street Institutional US Government Money Market Fund</title>
        <cusip>857492706</cusip>
        <identifiers>
          <isin value="US8574927062"/>
        </identifiers>
        <balance>60043829.31000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>60043829.31000000</valUSD>
        <pctVal>17.39040136753</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>STIV</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>T. Rowe Price Treasury Reserve Fund</name>
        <lei>5493007QR86JJLYO6D96</lei>
        <title>T. Rowe Price Treasury Reserve Fund</title>
        <cusip>76105Y208</cusip>
        <identifiers>
          <isin value="US76105Y2081"/>
        </identifiers>
        <balance>1031.14000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1031.14000000</valUSD>
        <pctVal>0.000298647482</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>STIV</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>SunAmerica Series Trust - SA Small Cap Index Portfolio</name>
        <lei>549300NLVGJYYLB24614</lei>
        <title>SunAmerica Series Trust - SA Small Cap Index Portfolio</title>
        <cusip>000000000</cusip>
        <identifiers>
          <other otherDesc="Internal Identifier" value="928MCH902"/>
        </identifiers>
        <balance>1027648.50500000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>11448004.35000000</valUSD>
        <pctVal>3.315667784542</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>SunAmerica Series Trust - SA Mid Cap Index Portfolio</name>
        <lei>5493005POLD4G0MMFG86</lei>
        <title>SunAmerica Series Trust - SA Mid Cap Index Portfolio</title>
        <cusip>000000000</cusip>
        <identifiers>
          <other otherDesc="Internal Identifier" value="928MCG904"/>
        </identifiers>
        <balance>1877419.29600000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>21158515.47000000</valUSD>
        <pctVal>6.128108093585</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>ICE Futures U.S., Inc.</name>
        <lei>5493004R83R1LVX2IL36</lei>
        <title>MSCI EAFE         DEC19 IFUS 20191220</title>
        <cusip>000000000</cusip>
        <identifiers>
          <other otherDesc="Internal Identifier" value="ADI1F3YG6"/>
        </identifiers>
        <balance>141.00000000</balance>
        <units>NC</units>
        <curCd>USD</curCd>
        <valUSD>323291.47000000</valUSD>
        <pctVal>0.093634408174</pctVal>
        <payoffProfile>N/A</payoffProfile>
        <assetCat>DE</assetCat>
        <issuerConditional desc="derivative" issuerCat="OTHER"/>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <derivativeInfo>
          <futrDeriv derivCat="FUT">
            <counterparties>
              <counterpartyName>ICE Futures U.S., Inc.</counterpartyName>
              <counterpartyLei>5493004R83R1LVX2IL36</counterpartyLei>
            </counterparties>
            <payOffProf>Long</payOffProf>
            <descRefInstrmnt>
              <indexBasketInfo>
                <indexName>MSCI EAFE</indexName>
                <indexIdentifier>MFSZ9 Index</indexIdentifier>
              </indexBasketInfo>
            </descRefInstrmnt>
            <expDate>2019-12-20</expDate>
            <notionalAmt>13474968.53000000</notionalAmt>
            <curCd>USD</curCd>
            <unrealizedAppr>323291.47000000</unrealizedAppr>
          </futrDeriv>
        </derivativeInfo>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Chicago Board Of Trade</name>
        <lei>549300EX04Q2QBFQTQ27</lei>
        <title>US LONG BOND(CBT) DEC19 XCBT 20191219</title>
        <cusip>000000000</cusip>
        <identifiers>
          <other otherDesc="Internal Identifier" value="ADI19Y734"/>
        </identifiers>
        <balance>-15.00000000</balance>
        <units>NC</units>
        <curCd>USD</curCd>
        <valUSD>32627.37000000</valUSD>
        <pctVal>0.009449814683</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>Short</payOffProf>
            <descRefInstrmnt>
              <indexBasketInfo>
                <indexName>US Treasury Long Bond</indexName>
                <indexIdentifier>USZ9 Comdty</indexIdentifier>
              </indexBasketInfo>
            </descRefInstrmnt>
            <expDate>2019-12-19</expDate>
            <notionalAmt>-2453252.37000000</notionalAmt>
            <curCd>USD</curCd>
            <unrealizedAppr>32627.37000000</unrealizedAppr>
          </futrDeriv>
        </derivativeInfo>
        <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"/>
      <explntrNote note="Effective with this October 31st, 2019 filing, the fund will represent eligible treasury bills as short-term investment vehicles, as opposed to debt, for question C.4.a.i - Asset type." noteItem="C.4.a"/>
      <explntrNote note="Effective with this October 31st, 2019 filing, the fund has undergone a methodology change for reporting C.2.c.i - Value. The fund will now be representing a value equal to the unrealized gain/loss for futures contracts. Prior to this filing, the notional value of the position was included in this figure." noteItem="C.2.c"/>
      <explntrNote note="Effective with this October 31st, 2019 filing, the fund will represent the clearing exchange as the Issuer (C.1.a) and Counterparty (C.11.b.i.a) for listed option contracts." noteItem="C.1.a"/>
    </explntrNotes>
    <signature>
      <ncom:dateSigned>2019-11-27</ncom:dateSigned>
      <ncom:nameOfApplicant>SUNAMERICA SERIES TRUST</ncom:nameOfApplicant>
      <ncom:signature>Shawn Parry</ncom:signature>
      <ncom:signerName>Shawn Parry</ncom:signerName>
      <ncom:title>Assistant Treasurer</ncom:title>
    </signature>
  </formData>
  <documents>XXXX</documents>
</edgarSubmission>
