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        <balance>16692.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>642642.00000000</valUSD>
        <pctVal>6.059195049398</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, Inc. iShares ESG Aware MSCI EM ETF</name>
        <lei>549300JES9K0OUJ8F389</lei>
        <title>iShares, Inc. iShares ESG Aware MSCI EM ETF</title>
        <cusip>46434G863</cusip>
        <identifiers>
          <isin value="US46434G8630"/>
        </identifiers>
        <balance>964.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>40362.68000000</valUSD>
        <pctVal>0.380562351723</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>Nuveen ESG High Yield Corporate Bond ETF</name>
        <lei>5493004NNDIHW8KI0J08</lei>
        <title>Nuveen ESG High Yield Corporate Bond ETF</title>
        <cusip>67092P854</cusip>
        <identifiers>
          <isin value="US67092P8547"/>
        </identifiers>
        <balance>7495.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>184077.20000000</valUSD>
        <pctVal>1.735584756282</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 ESG MSCI EM Leaders ETF</name>
        <lei>549300GGLUPN59ZVGJ64</lei>
        <title>iShares ESG MSCI EM Leaders ETF</title>
        <cusip>46436E601</cusip>
        <identifiers>
          <isin value="US46436E6014"/>
        </identifiers>
        <balance>163.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>10068.51000000</valUSD>
        <pctVal>0.094931650820</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 ESG Aware MSCI USA Small-Cap ETF</name>
        <lei>549300V3IZTYAHR0WL12</lei>
        <title>iShares ESG Aware MSCI USA Small-Cap ETF</title>
        <cusip>46435U663</cusip>
        <identifiers>
          <isin value="US46435U6635"/>
        </identifiers>
        <balance>5068.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>206521.00000000</valUSD>
        <pctVal>1.947197694512</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>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>77640.54000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>77640.54000000</valUSD>
        <pctVal>0.732039262296</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 ESG Aware 1-5 Year USD Corporate Bond ETF</name>
        <lei>549300A3SLEQ53E2BD05</lei>
        <title>iShares ESG Aware 1-5 Year USD Corporate Bond ETF</title>
        <cusip>46435G243</cusip>
        <identifiers>
          <isin value="US46435G2434"/>
        </identifiers>
        <balance>16933.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>437210.06000000</valUSD>
        <pctVal>4.122265633275</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>Nushares Etf Trust - Nuveen Esg Mid-Cap Growth Etf</name>
        <lei>549300NW5IJSX47HWA80</lei>
        <title>Nushares Etf Trust - Nuveen Esg Mid-Cap Growth Etf</title>
        <cusip>67092P409</cusip>
        <identifiers>
          <isin value="US67092P4090"/>
        </identifiers>
        <balance>8884.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>512695.64000000</valUSD>
        <pctVal>4.833986704473</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 Trust iShares ESG Aware MSCI EAFE ETF</name>
        <lei>549300IT2A3OM8F0BB22</lei>
        <title>iShares Trust iShares ESG Aware MSCI EAFE ETF</title>
        <cusip>46435G516</cusip>
        <identifiers>
          <isin value="US46435G5163"/>
        </identifiers>
        <balance>17795.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1440505.25000000</valUSD>
        <pctVal>13.58190451205</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 ESG Aware USD Corporate Bond ETF</name>
        <lei>N/A</lei>
        <title>iShares ESG Aware USD Corporate Bond ETF</title>
        <cusip>46435G193</cusip>
        <identifiers>
          <isin value="US46435G1931"/>
        </identifiers>
        <balance>17420.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>480617.80000000</valUSD>
        <pctVal>4.531538546209</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 ESG Screened S&amp;P 500 ETF</name>
        <lei>5493001Q5KJU8OIG9398</lei>
        <title>iShares ESG Screened S&amp;P 500 ETF</title>
        <cusip>46436E569</cusip>
        <identifiers>
          <isin value="US46436E5693"/>
        </identifiers>
        <balance>49078.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1740305.88000000</valUSD>
        <pctVal>16.40859572286</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 ESG Aware US Aggregate Bond ETF</name>
        <lei>549300ZH4AMJV5ZGCV06</lei>
        <title>iShares ESG Aware US Aggregate Bond ETF</title>
        <cusip>46435U549</cusip>
        <identifiers>
          <isin value="US46435U5496"/>
        </identifiers>
        <balance>27940.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1540332.20000000</valUSD>
        <pctVal>14.52312989295</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>Nuveen ESG US Aggregate Bond ETF</name>
        <lei>N/A</lei>
        <title>Nuveen ESG US Aggregate Bond ETF</title>
        <cusip>67092P870</cusip>
        <identifiers>
          <isin value="US67092P8703"/>
        </identifiers>
        <balance>14800.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>381988.00000000</valUSD>
        <pctVal>3.601600577817</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>SPDR S&amp;P 500 ESG ETF</name>
        <lei>5493000QG09QKDPDYX59</lei>
        <title>SPDR S&amp;P 500 ESG ETF</title>
        <cusip>78468R531</cusip>
        <identifiers>
          <isin value="US78468R5312"/>
        </identifiers>
        <balance>3408.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>148691.04000000</valUSD>
        <pctVal>1.401943871483</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>
