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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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      </invstOrSec>
      <invstOrSec>
        <name>Danaher Corp.</name>
        <lei>S4BKK9OTCEWQ3YHPFM11</lei>
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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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      <invstOrSec>
        <name>Alphabet, Inc.</name>
        <lei>5493006MHB84DD0ZWV18</lei>
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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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      <invstOrSec>
        <name>Intuit, Inc.</name>
        <lei>VI90HBPH7XSFMB9E4M29</lei>
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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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      <invstOrSec>
        <name>Apple, Inc.</name>
        <lei>HWUPKR0MPOU8FGXBT394</lei>
        <title>Apple, Inc.</title>
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          <isin value="US0378331005"/>
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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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      <invstOrSec>
        <name>Moody's Corp.</name>
        <lei>549300GCEDD8YCF5WU84</lei>
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          <isin value="US6153691059"/>
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        <curCd>USD</curCd>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Gartner, Inc.</name>
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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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      <invstOrSec>
        <name>ABIOMED, Inc.</name>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Mastercard, Inc.</name>
        <lei>AR5L2ODV9HN37376R084</lei>
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          <isin value="US57636Q1040"/>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Bio-Techne Corp.</name>
        <lei>54930073RLKQ51TILZ35</lei>
        <title>Bio-Techne Corp.</title>
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          <isin value="US09073M1045"/>
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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>
          <isNonCashCollateral>N</isNonCashCollateral>
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      <invstOrSec>
        <name>Tesla, Inc.</name>
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        <title>Tesla, Inc.</title>
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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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      <invstOrSec>
        <name>Lululemon Athletica, Inc.</name>
        <lei>549300D9GZ4BMLDW5T40</lei>
        <title>Lululemon Athletica, Inc.</title>
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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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      <invstOrSec>
        <name>ASML Holding NV</name>
        <lei>724500Y6DUVHQD6OXN27</lei>
        <title>ASML Holding NV (Registered)</title>
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          <isin value="USN070592100"/>
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        <balance>545370.00000000</balance>
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        <curCd>USD</curCd>
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        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>NL</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Chipotle Mexican Grill, Inc.</name>
        <lei>N/A</lei>
        <title>Chipotle Mexican Grill, Inc.</title>
        <cusip>169656105</cusip>
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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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      <invstOrSec>
        <name>Adobe, Inc.</name>
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        <title>Adobe, Inc.</title>
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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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        <name>Veeva Systems, Inc.</name>
        <lei>549300YZEXPDB92M2F02</lei>
        <title>Veeva Systems, Inc., Class A</title>
        <cusip>922475108</cusip>
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        <name>Deere &amp; Co.</name>
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        <fairValLevel>1</fairValLevel>
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        <name>MSCI, Inc.</name>
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        <name>Linde plc</name>
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        <name>AstraZeneca plc</name>
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        <name>Costco Wholesale Corp.</name>
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        <name>MainStay U.S. Government Liquidity Fund</name>
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        <title>MainStay U.S. Government Liquidity Fund, Class I</title>
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        <name>Starbucks Corp.</name>
        <lei>OQSJ1DU9TAOC51A47K68</lei>
        <title>Starbucks Corp.</title>
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        <name>Analog Devices, Inc.</name>
        <lei>GYVOE5EZ4GDAVTU4CQ61</lei>
        <title>Analog Devices, Inc.</title>
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      <invstOrSec>
        <name>Schlumberger NV</name>
        <lei>213800ZUA17OK3QLGM62</lei>
        <title>Schlumberger NV</title>
        <cusip>806857108</cusip>
        <identifiers>
          <isin value="AN8068571086"/>
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        <balance>6891080.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>358542892.40000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>CW</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Atlassian Corp.</name>
        <lei>549300AGBII4MWBVJY22</lei>
        <title>Atlassian Corp., Class A</title>
        <cusip>049468101</cusip>
        <identifiers>
          <isin value="US0494681010"/>
        </identifiers>
        <balance>360750.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>73134847.50000000</valUSD>
        <pctVal>0.644054630548</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>IDEXX Laboratories, Inc.</name>
        <lei>OGMTXK0LUU1HKV2P0J84</lei>
        <title>IDEXX Laboratories, Inc.</title>
        <cusip>45168D104</cusip>
        <identifiers>
          <isin value="US45168D1046"/>
        </identifiers>
        <balance>403700.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>145202816.00000000</valUSD>
        <pctVal>1.278713899190</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>ServiceNow, Inc.</name>
        <lei>549300HJTQM36M0E1G39</lei>
        <title>ServiceNow, Inc.</title>
        <cusip>81762P102</cusip>
        <identifiers>
          <isin value="US81762P1021"/>
        </identifiers>
        <balance>525110.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>220934781.40000000</valUSD>
        <pctVal>1.945639785600</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>IQVIA Holdings, Inc.</name>
        <lei>549300W3R20NM4KQPH86</lei>
        <title>IQVIA Holdings, Inc.</title>
        <cusip>46266C105</cusip>
        <identifiers>
          <isin value="US46266C1053"/>
        </identifiers>
        <balance>972900.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>203987943.00000000</valUSD>
        <pctVal>1.796399168880</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Agilent Technologies, Inc.</name>
        <lei>QUIX8Y7A2WP0XRMW7G29</lei>
        <title>Agilent Technologies, Inc.</title>
        <cusip>00846U101</cusip>
        <identifiers>
          <isin value="US00846U1016"/>
        </identifiers>
        <balance>1697400.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>234835290.00000000</valUSD>
        <pctVal>2.068053207339</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Estee Lauder Cos., Inc. (The)</name>
        <lei>549300VFZ8XJ9NUPU221</lei>
        <title>Estee Lauder Cos., Inc. (The), Class A</title>
        <cusip>518439104</cusip>
        <identifiers>
          <isin value="US5184391044"/>
        </identifiers>
        <balance>582820.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>116849581.80000000</valUSD>
        <pctVal>1.029024012608</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Microsoft Corp.</name>
        <lei>INR2EJN1ERAN0W5ZP974</lei>
        <title>Microsoft Corp.</title>
        <cusip>594918104</cusip>
        <identifiers>
          <isin value="US5949181045"/>
        </identifiers>
        <balance>3250230.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>754475889.90000000</valUSD>
        <pctVal>6.644215543447</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Intuitive Surgical, Inc.</name>
        <lei>54930052SRG011710797</lei>
        <title>Intuitive Surgical, Inc.</title>
        <cusip>46120E602</cusip>
        <identifiers>
          <isin value="US46120E6023"/>
        </identifiers>
        <balance>1152400.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>284032028.00000000</valUSD>
        <pctVal>2.501299300001</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Union Pacific Corp.</name>
        <lei>549300LMMRSZZCZ8CL11</lei>
        <title>Union Pacific Corp.</title>
        <cusip>907818108</cusip>
        <identifiers>
          <isin value="US9078181081"/>
        </identifiers>
        <balance>1649600.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>325202144.00000000</valUSD>
        <pctVal>2.863859758611</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Dollar Tree, Inc.</name>
        <lei>549300PMSTQITB1WHR43</lei>
        <title>Dollar Tree, Inc.</title>
        <cusip>256746108</cusip>
        <identifiers>
          <isin value="US2567461080"/>
        </identifiers>
        <balance>2337000.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>370414500.00000000</valUSD>
        <pctVal>3.262017794557</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>UnitedHealth Group, Inc.</name>
        <lei>549300GHBMY8T5GXDE41</lei>
        <title>UnitedHealth Group, Inc.</title>
        <cusip>91324P102</cusip>
        <identifiers>
          <isin value="US91324P1021"/>
        </identifiers>
        <balance>821800.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>456222270.00000000</valUSD>
        <pctVal>4.017675234132</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Visa, Inc.</name>
        <lei>549300JZ4OKEHW3DPJ59</lei>
        <title>Visa, Inc., Class A</title>
        <cusip>92826C839</cusip>
        <identifiers>
          <isin value="US92826C8394"/>
        </identifiers>
        <balance>2398300.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>496831828.00000000</valUSD>
        <pctVal>4.375299195464</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>McDonald's Corp.</name>
        <lei>UE2136O97NLB5BYP9H04</lei>
        <title>McDonald's Corp.</title>
        <cusip>580135101</cusip>
        <identifiers>
          <isin value="US5801351017"/>
        </identifiers>
        <balance>639100.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>174257006.00000000</valUSD>
        <pctVal>1.534576682063</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Accenture plc</name>
        <lei>N/A</lei>
        <title>Accenture plc, Class A</title>
        <cusip>N/A</cusip>
        <identifiers>
          <isin value="IE00B4BNMY34"/>
        </identifiers>
        <balance>794900.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>225672110.00000000</valUSD>
        <pctVal>1.987358590323</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>IE</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>CSX Corp.</name>
        <lei>549300JVQR4N1MMP3Q88</lei>
        <title>CSX Corp.</title>
        <cusip>126408103</cusip>
        <identifiers>
          <isin value="US1264081035"/>
        </identifiers>
        <balance>5985310.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>173933108.60000000</valUSD>
        <pctVal>1.531724312401</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Zoetis, Inc.</name>
        <lei>549300HD9Q1LOC9KLJ48</lei>
        <title>Zoetis, Inc.</title>
        <cusip>98978V103</cusip>
        <identifiers>
          <isin value="US98978V1035"/>
        </identifiers>
        <balance>1809640.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>272857519.20000000</valUSD>
        <pctVal>2.402892119528</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Palo Alto Networks, Inc.</name>
        <lei>549300QXR2YVZV231H43</lei>
        <title>Palo Alto Networks, Inc.</title>
        <cusip>697435105</cusip>
        <identifiers>
          <isin value="US6974351057"/>
        </identifiers>
        <balance>1151800.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>197637362.00000000</valUSD>
        <pctVal>1.740473420218</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</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>2022-11-30</ncom:dateSigned>
      <ncom:nameOfApplicant>MAINSTAY FUNDS</ncom:nameOfApplicant>
      <ncom:signature>Jack Benintende</ncom:signature>
      <ncom:signerName>Jack Benintende</ncom:signerName>
      <ncom:title>Treasurer</ncom:title>
    </signature>
  </formData>
</edgarSubmission>
