<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/nport" xmlns:com="http://www.sec.gov/edgar/common" xmlns:ncom="http://www.sec.gov/edgar/nportcommon" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sec.gov/edgar/nport eis_NPORT_Filer.xsd">
  <headerData>
    <submissionType>NPORT-P</submissionType>
    <isConfidential>false</isConfidential>
    <filerInfo>

      <filer>
        <issuerCredentials>
          <cik>0001469192</cik>
          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
      </filer>


      <seriesClassInfo>
        <seriesId>S000068839</seriesId>
        <classId>C000221688</classId>
        <classId>C000220007</classId>
        <classId>C000220010</classId>
        <classId>C000220008</classId>
        <classId>C000220011</classId>
      </seriesClassInfo>


    </filerInfo>
  </headerData>
  <formData>
    <genInfo>
      <regName>MAINSTAY FUNDS TRUST</regName>
      <regFileNumber>811-22321</regFileNumber>
      <regCik>0001469192</regCik>
      <regLei>549300SQRLBSUG7RD002</regLei>
      <regStreet1>51 Madison Avenue</regStreet1>
      <regCity>New York</regCity>
      <regStateConditional regCountry="US" regState="US-NY"/>
      <regZipOrPostalCode>10010</regZipOrPostalCode>
      <regPhone>212-576-7000</regPhone>
      <seriesName>MainStay Growth ETF Allocation Fund</seriesName>
      <seriesId>S000068839</seriesId>
      <seriesLei>549300HI7ZY5OLM06I80</seriesLei>
      <repPdEnd>2022-04-30</repPdEnd>
      <repPdDate>2021-10-31</repPdDate>
      <isFinalFiling>N</isFinalFiling>
    </genInfo>
    <fundInfo>
      <totAssets>56338093.09</totAssets>
      <totLiabs>7279714.12</totLiabs>
      <netAssets>49058378.97</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>
      <amtPayAftOneYrOthAffil>0.00000000</amtPayAftOneYrOthAffil>
      <amtPayAftOneYrOther>0.00000000</amtPayAftOneYrOther>
      <delayDeliv>0.00000000</delayDeliv>
      <standByCommit>0.00000000</standByCommit>
      <liquidPref>0.00000000</liquidPref>
      <cshNotRptdInCorD>3206.14000000</cshNotRptdInCorD>
      <borrowers>
        <borrower aggrVal="1382018.00000000" lei="12UUJYTN7D3SW8KCSG25" name="CITADEL SECURITIES LLC"/>
        <borrower aggrVal="58561.00000000" lei="MBNUM2BPBDO7JBLYG310" name="Citigroup Global Markets Inc."/>
        <borrower aggrVal="4178587.06000000" lei="549300HN4UKV1E2R3U73" name="BOFA SECURITIES, INC."/>
        <borrower aggrVal="1482476.00000000" lei="549300RA02N3BNSWBV74" name="Virtu AMERICAS LLC"/>
      </borrowers>
      <isNonCashCollateral>N</isNonCashCollateral>
      <returnInfo>
        <monthlyTotReturns>
          <monthlyTotReturn classId="C000221688" rtn1="1.83000000" rtn2="-3.52000000" rtn3="4.43000000"/>
          <monthlyTotReturn classId="C000220007" rtn1="1.83000000" rtn2="-3.52000000" rtn3="4.50000000"/>
          <monthlyTotReturn classId="C000220010" rtn1="1.83000000" rtn2="-3.45000000" rtn3="4.50000000"/>
          <monthlyTotReturn classId="C000220008" rtn1="1.69000000" rtn2="-3.54000000" rtn3="4.38000000"/>
          <monthlyTotReturn classId="C000220011" rtn1="1.76000000" rtn2="-3.53000000" rtn3="4.43000000"/>
        </monthlyTotReturns>
        <monthlyReturnCats>
          <commodityContracts>
            <mon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            <mon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            <mon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            <forwardCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </forwardCategory>
            <futureCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </futureCategory>
            <optionCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </optionCategory>
            <swaptionCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </swaptionCategory>
            <swapCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </swapCategory>
            <warrantCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </warrantCategory>
            <otherCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </otherCategory>
          </commodityContracts>
          <creditContracts>
            <mon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            <mon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            <mon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            <forwardCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </forwardCategory>
            <futureCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </futureCategory>
            <optionCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </optionCategory>
            <swaptionCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </swaptionCategory>
            <swapCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </swapCategory>
            <warrantCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </warrantCategory>
            <otherCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </otherCategory>
          </creditContracts>
          <equityContracts>
            <mon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            <mon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            <mon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            <forwardCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </forwardCategory>
            <futureCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </futureCategory>
            <optionCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </optionCategory>
            <swaptionCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </swaptionCategory>
            <swapCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </swapCategory>
            <warrantCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </warrantCategory>
            <otherCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </otherCategory>
          </equityContracts>
          <foreignExchgContracts>
            <mon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            <mon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            <mon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            <forwardCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </forwardCategory>
            <futureCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </futureCategory>
            <optionCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </optionCategory>
            <swaptionCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </swaptionCategory>
            <swapCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </swapCategory>
            <warrantCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </warrantCategory>
            <otherCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </otherCategory>
          </foreignExchgContracts>
          <interestRtContracts>
            <mon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            <mon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            <mon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            <forwardCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </forwardCategory>
            <futureCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </futureCategory>
            <optionCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </optionCategory>
            <swaptionCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </swaptionCategory>
            <swapCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </swapCategory>
            <warrantCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </warrantCategory>
            <otherCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </otherCategory>
          </interestRtContracts>
          <otherContracts>
            <mon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            <mon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            <mon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            <forwardCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </forwardCategory>
            <futureCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </futureCategory>
            <optionCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </optionCategory>
            <swaptionCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </swaptionCategory>
            <swapCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </swapCategory>
            <warrantCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </warrantCategory>
            <otherCategory>
              <instrMon1 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon2 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
              <instrMon3 netRealizedGain="0.00000000" netUnrealizedAppr="0.00000000"/>
            </otherCategory>
          </otherContracts>
        </monthlyReturnCats>
        <othMon1 netRealizedGain="-3872.76000000" netUnrealizedAppr="783784.50000000"/>
        <othMon2 netRealizedGain="-38704.98000000" netUnrealizedAppr="-1700292.40000000"/>
        <othMon3 netRealizedGain="7484.40000000" netUnrealizedAppr="2074273.11000000"/>
      </returnInfo>
      <mon1Flow redemption="458031.39000000" reinvestment="0.77000000" sales="3777791.88000000"/>
      <mon2Flow redemption="550146.73000000" reinvestment="0.00000000" sales="2647134.68000000"/>
      <mon3Flow redemption="627062.64000000" reinvestment="0.00000000" sales="1915332.43000000"/>


    </fundInfo>
    <invstOrSecs>
      <invstOrSec>
        <name>WELLS FARGO GOVT FD LEX</name>
        <lei>549300GFSYYLVYEWA041</lei>
        <title>WELLS FARGO GOVERNMENT MONEY MARKET FUND OPEN-END FUND USD</title>
        <cusip>949921126</cusip>
        <identifiers>
          <other otherDesc="Custodian Internal ID" value="949921126"/>
        </identifiers>
        <balance>7255296.10000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>7255296.10000000</valUSD>
        <pctVal>14.78910688108</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>STIV</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <cashCollateralCondition cashCollateralVal="7255296.10000000" isCashCollateral="Y"/>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Vanguard Mega Cap Value ETF</name>
        <lei>N/A</lei>
        <title>Vanguard Mega Cap Value ETF</title>
        <cusip>921910840</cusip>
        <identifiers>
          <isin value="US9219108407"/>
        </identifiers>
        <balance>28256.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2923930.88000000</valUSD>
        <pctVal>5.960104963492</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetConditional assetCat="OTHER" desc="Exchange traded fund"/>
        <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>iShares Core U.S. Aggregate Bond ETF</name>
        <lei>549300F7VSXTKBGHJE47</lei>
        <title>iShares Core U.S. Aggregate Bond ETF</title>
        <cusip>464287226</cusip>
        <identifiers>
          <isin value="US4642872265"/>
        </identifiers>
        <balance>5101.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>584778.64000000</valUSD>
        <pctVal>1.192005631408</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetConditional assetCat="OTHER" desc="Exchange traded fund"/>
        <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>iShares Core S&amp;P Mid-Cap ETF</name>
        <lei>549300ODQWH5PC0IUZ78</lei>
        <title>iShares Core S&amp;P Mid-Cap ETF</title>
        <cusip>464287507</cusip>
        <identifiers>
          <isin value="US4642875078"/>
        </identifiers>
        <balance>1573.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>438316.45000000</valUSD>
        <pctVal>0.893458893674</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetConditional assetCat="OTHER" desc="Exchange traded fund"/>
        <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>iShares Broad USD Investment Grade Corporate Bond ETF</name>
        <lei>5493004QFMCNV0WLX398</lei>
        <title>iShares Broad USD Investment Grade Corporate Bond ETF</title>
        <cusip>464288620</cusip>
        <identifiers>
          <isin value="US4642886208"/>
        </identifiers>
        <balance>4873.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>293500.79000000</valUSD>
        <pctVal>0.598268422565</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetConditional assetCat="OTHER" desc="Exchange traded fund"/>
        <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>iShares Core S&amp;P Small-Cap ETF</name>
        <lei>549300BZQ17QYN750B25</lei>
        <title>iShares Core S&amp;P Small-Cap ETF</title>
        <cusip>464287804</cusip>
        <identifiers>
          <isin value="US4642878049"/>
        </identifiers>
        <balance>3561.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>402606.66000000</valUSD>
        <pctVal>0.820668494257</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetConditional assetCat="OTHER" desc="Exchange traded fund"/>
        <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>Vanguard Short-Term Bond ETF</name>
        <lei>N/A</lei>
        <title>Vanguard Short-Term Bond ETF</title>
        <cusip>921937827</cusip>
        <identifiers>
          <isin value="US9219378273"/>
        </identifiers>
        <balance>2972.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>242039.68000000</valUSD>
        <pctVal>0.493370725005</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetConditional assetCat="OTHER" desc="Exchange traded fund"/>
        <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>Vanguard Mega Cap ETF</name>
        <lei>N/A</lei>
        <title>Vanguard Mega Cap ETF</title>
        <cusip>921910873</cusip>
        <identifiers>
          <isin value="US9219108738"/>
        </identifiers>
        <balance>77256.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>12625175.52000000</valUSD>
        <pctVal>25.73500344909</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetConditional assetCat="OTHER" desc="Exchange traded fund"/>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <loanByFundCondition isLoanByFund="Y" loanVal="686364.00000000"/>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Schwab U.S. Small-Cap ETF</name>
        <lei>5493003UKSEZNILT8D61</lei>
        <title>Schwab U.S. Small-Cap ETF</title>
        <cusip>808524607</cusip>
        <identifiers>
          <isin value="US8085246077"/>
        </identifiers>
        <balance>56842.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>5943399.52000000</valUSD>
        <pctVal>12.11495292911</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetConditional assetCat="OTHER" desc="Exchange traded fund"/>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <loanByFundCondition isLoanByFund="Y" loanVal="397328.00000000"/>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>MainStay U.S. Government Liquidity Fund</name>
        <lei>549300Y3ZLEL13IJCK58</lei>
        <title>MainStay U.S. Government Liquidity Fund</title>
        <cusip>56064L488</cusip>
        <identifiers>
          <isin value="US56064L4885"/>
        </identifiers>
        <balance>293395.67000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>293395.67000000</valUSD>
        <pctVal>0.598054147242</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>iShares Core MSCI Emerging Markets ETF</name>
        <lei>5493007C24Z3ZDJ0VD06</lei>
        <title>iShares Core MSCI Emerging Markets ETF</title>
        <cusip>46434G103</cusip>
        <identifiers>
          <isin value="US46434G1031"/>
        </identifiers>
        <balance>11378.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>710328.54000000</valUSD>
        <pctVal>1.447925012839</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetConditional assetCat="OTHER" desc="Exchange traded fund"/>
        <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>iShares Core MSCI EAFE ETF</name>
        <lei>5493009FT582MI7Y3I36</lei>
        <title>iShares Core MSCI EAFE ETF</title>
        <cusip>46432F842</cusip>
        <identifiers>
          <isin value="US46432F8427"/>
        </identifiers>
        <balance>115338.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>8824510.38000000</valUSD>
        <pctVal>17.98777408726</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetConditional assetCat="OTHER" desc="Exchange traded fund"/>
        <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>VanEck Gold Miners ETF</name>
        <lei>54930031TORTKAM9TJ98</lei>
        <title>VanEck Gold Miners ETF</title>
        <cusip>92189F106</cusip>
        <identifiers>
          <isin value="US92189F1066"/>
        </identifiers>
        <balance>22139.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>702027.69000000</valUSD>
        <pctVal>1.431004661669</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetConditional assetCat="OTHER" desc="Exchange traded fund"/>
        <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>Vanguard FTSE Europe ETF</name>
        <lei>N/A</lei>
        <title>Vanguard FTSE Europe ETF</title>
        <cusip>922042874</cusip>
        <identifiers>
          <isin value="US9220428745"/>
        </identifiers>
        <balance>14209.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>979142.19000000</valUSD>
        <pctVal>1.995871471005</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetConditional assetCat="OTHER" desc="Exchange traded fund"/>
        <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>iShares Broad USD High Yield Corporate Bond ETF</name>
        <lei>549300X7H67ZLUE3IZ46</lei>
        <title>iShares Broad USD High Yield Corporate Bond ETF</title>
        <cusip>46435U853</cusip>
        <identifiers>
          <isin value="US46435U8532"/>
        </identifiers>
        <balance>47259.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1951796.70000000</valUSD>
        <pctVal>3.978518534404</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetConditional assetCat="OTHER" desc="Exchange traded fund"/>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <loanByFundCondition isLoanByFund="Y" loanVal="1565930.80000000"/>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Schwab U.S. Mid-Cap ETF</name>
        <lei>549300CX4Y7E1N0YFZ10</lei>
        <title>Schwab U.S. Mid-Cap ETF</title>
        <cusip>808524508</cusip>
        <identifiers>
          <isin value="US8085245087"/>
        </identifiers>
        <balance>24135.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1952280.15000000</valUSD>
        <pctVal>3.979503992975</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetConditional assetCat="OTHER" desc="Exchange traded fund"/>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <loanByFundCondition isLoanByFund="Y" loanVal="703743.00000000"/>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Invesco Senior Loan ETF</name>
        <lei>549300SIHU6DQELRNG59</lei>
        <title>Invesco Senior Loan ETF</title>
        <cusip>46138G508</cusip>
        <identifiers>
          <isin value="US46138G5080"/>
        </identifiers>
        <balance>110161.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2432354.88000000</valUSD>
        <pctVal>4.958082454145</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetConditional assetCat="OTHER" desc="Exchange traded fund"/>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <loanByFundCondition isLoanByFund="Y" loanVal="2177573.76000000"/>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Schwab U.S. Aggregate Bond ETF</name>
        <lei>N/A</lei>
        <title>Schwab U.S. Aggregate Bond ETF</title>
        <cusip>808524839</cusip>
        <identifiers>
          <isin value="US8085248396"/>
        </identifiers>
        <balance>10793.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>584980.60000000</valUSD>
        <pctVal>1.192417304203</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetConditional assetCat="OTHER" desc="Exchange traded fund"/>
        <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>iShares MSCI EAFE Small-Cap ETF</name>
        <lei>549300MJV5OZGVS4LX86</lei>
        <title>iShares MSCI EAFE Small-Cap ETF</title>
        <cusip>464288273</cusip>
        <identifiers>
          <isin value="US4642882736"/>
        </identifiers>
        <balance>6342.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>483577.50000000</valUSD>
        <pctVal>0.985718464720</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetConditional assetCat="OTHER" desc="Exchange traded fund"/>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <loanByFundCondition isLoanByFund="Y" loanVal="435082.50000000"/>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Vanguard Mid-Cap ETF</name>
        <lei>N/A</lei>
        <title>Vanguard Mid-Cap ETF</title>
        <cusip>922908629</cusip>
        <identifiers>
          <isin value="US9229086296"/>
        </identifiers>
        <balance>21411.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>5403279.96000000</valUSD>
        <pctVal>11.01397982045</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetConditional assetCat="OTHER" desc="Exchange traded fund"/>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <loanByFundCondition isLoanByFund="Y" loanVal="1135620.00000000"/>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>iShares 0-5 Year High Yield Corporate Bond ETF</name>
        <lei>549300R96U5WQ7R5ID10</lei>
        <title>iShares 0-5 Year High Yield Corporate Bond ETF</title>
        <cusip>46434V407</cusip>
        <identifiers>
          <isin value="US46434V4077"/>
        </identifiers>
        <balance>26596.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1211447.80000000</valUSD>
        <pctVal>2.469400386712</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetConditional assetCat="OTHER" desc="Exchange traded fund"/>
        <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>2021-11-30</ncom:dateSigned>
      <ncom:nameOfApplicant>MAINSTAY FUNDS TRUST</ncom:nameOfApplicant>
      <ncom:signature>Jack Benintende</ncom:signature>
      <ncom:signerName>Jack Benintende</ncom:signerName>
      <ncom:title>Treasurer</ncom:title>
    </signature>
  </formData>
</edgarSubmission>
