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      <invstOrSec>
        <name>Sherwin-Williams Co/The</name>
        <lei>Z15BMIOX8DDH0X2OBP21</lei>
        <title>Sherwin-Williams Co/The</title>
        <cusip>824348106</cusip>
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          <isin value="US8243481061"/>
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        <balance>185615.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>99558317.55000000</valUSD>
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        <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>CoStar Group Inc</name>
        <lei>N/A</lei>
        <title>CoStar Group Inc</title>
        <cusip>22160N109</cusip>
        <identifiers>
          <isin value="US22160N1090"/>
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        <balance>167300.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>108453898.00000000</valUSD>
        <pctVal>0.928130170392</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>
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      </invstOrSec>
      <invstOrSec>
        <name>Home Depot Inc/The</name>
        <lei>QEKMOTMBBKA8I816DO57</lei>
        <title>Home Depot Inc/The</title>
        <cusip>437076102</cusip>
        <identifiers>
          <isin value="US4370761029"/>
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        <balance>979400.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>215301502.00000000</valUSD>
        <pctVal>1.842513947603</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>
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      </invstOrSec>
      <invstOrSec>
        <name>ASML Holding NV</name>
        <lei>724500Y6DUVHQD6OXN27</lei>
        <title>ASML Holding NV</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="USN070592100"/>
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        <balance>199200.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>57455256.00000000</valUSD>
        <pctVal>0.491692392109</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>NL</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>Microsoft Corp</name>
        <lei>INR2EJN1ERAN0W5ZP974</lei>
        <title>Microsoft Corp</title>
        <cusip>594918104</cusip>
        <identifiers>
          <isin value="US5949181045"/>
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        <balance>5819330.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1042882129.30000000</valUSD>
        <pctVal>8.924809400270</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>
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      <invstOrSec>
        <name>Thermo Fisher Scientific Inc</name>
        <lei>HCHV7422L5HDJZCRFL38</lei>
        <title>Thermo Fisher Scientific Inc</title>
        <cusip>883556102</cusip>
        <identifiers>
          <isin value="US8835561023"/>
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        <balance>472620.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>158176461.60000000</valUSD>
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        <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>
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      </invstOrSec>
      <invstOrSec>
        <name>Fiserv Inc</name>
        <lei>GI7UBEJLXYLGR2C7GV83</lei>
        <title>Fiserv Inc</title>
        <cusip>337738108</cusip>
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          <isin value="US3377381088"/>
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        <balance>2181910.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>224867644.60000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>American Tower Corp</name>
        <lei>5493006ORUSIL88JOE18</lei>
        <title>American Tower Corp</title>
        <cusip>03027X100</cusip>
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          <isin value="US03027X1000"/>
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        <balance>817500.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>194565000.00000000</valUSD>
        <pctVal>1.665054460305</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerConditional desc="REIT" issuerCat="OTHER"/>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>NIKE Inc</name>
        <lei>787RXPR0UX0O0XUXPZ81</lei>
        <title>NIKE Inc</title>
        <cusip>654106103</cusip>
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          <isin value="US6541061031"/>
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        <balance>2974640.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>259329115.20000000</valUSD>
        <pctVal>2.219294836947</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>
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      <invstOrSec>
        <name>Netflix Inc</name>
        <lei>549300Y7VHGU0I7CE873</lei>
        <title>Netflix Inc</title>
        <cusip>64110L106</cusip>
        <identifiers>
          <isin value="US64110L1061"/>
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        <balance>335000.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>140649750.00000000</valUSD>
        <pctVal>1.203656842588</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>
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      <invstOrSec>
        <name>NVIDIA Corp</name>
        <lei>549300S4KLFTLO7GSQ80</lei>
        <title>NVIDIA Corp</title>
        <cusip>67066G104</cusip>
        <identifiers>
          <isin value="US67066G1040"/>
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        <balance>839500.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>245369060.00000000</valUSD>
        <pctVal>2.099827038644</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>
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      <invstOrSec>
        <name>PayPal Holdings Inc</name>
        <lei>5493005X2GO78EFZ3E94</lei>
        <title>PayPal Holdings Inc</title>
        <cusip>70450Y103</cusip>
        <identifiers>
          <isin value="US70450Y1038"/>
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        <balance>2378230.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>292522290.00000000</valUSD>
        <pctVal>2.503356429487</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>
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      <invstOrSec>
        <name>Visa Inc</name>
        <lei>549300JZ4OKEHW3DPJ59</lei>
        <title>Visa Inc</title>
        <cusip>92826C839</cusip>
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          <isin value="US92826C8394"/>
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        <balance>2945300.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>526384016.00000000</valUSD>
        <pctVal>4.504705644253</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>
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      <invstOrSec>
        <name>Linde PLC</name>
        <lei>8945002PAZHZLBGKGF02</lei>
        <title>Linde PLC</title>
        <cusip>000000000</cusip>
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          <isin value="IE00BZ12WP82"/>
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        <balance>744530.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>136986074.70000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>IE</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>Ferrari NV</name>
        <lei>549300RIVY5EX8RCON76</lei>
        <title>Ferrari NV</title>
        <cusip>000000000</cusip>
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          <isin value="NL0011585146"/>
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        <balance>1196160.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>186146419.20000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>NL</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>GoDaddy Inc</name>
        <lei>N/A</lei>
        <title>GoDaddy Inc</title>
        <cusip>380237107</cusip>
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          <isin value="US3802371076"/>
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        <curCd>USD</curCd>
        <valUSD>158949570.50000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>Equinix Inc</name>
        <lei>549300EVUN2BTLJ3GT74</lei>
        <title>Equinix Inc</title>
        <cusip>29444U700</cusip>
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          <isin value="US29444U7000"/>
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        <curCd>USD</curCd>
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        <assetCat>EC</assetCat>
        <issuerConditional desc="REIT" issuerCat="OTHER"/>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>Apple Inc</name>
        <lei>HWUPKR0MPOU8FGXBT394</lei>
        <title>Apple Inc</title>
        <cusip>037833100</cusip>
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        <curCd>USD</curCd>
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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>Facebook Inc</name>
        <lei>BQ4BKCS1HXDV9HN80Z93</lei>
        <title>Facebook Inc</title>
        <cusip>30303M102</cusip>
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        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>Workday Inc</name>
        <lei>549300J0DYC0N31V7G13</lei>
        <title>Workday Inc</title>
        <cusip>98138H101</cusip>
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          <isin value="US98138H1014"/>
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        <balance>747370.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>115020243.00000000</valUSD>
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        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>Zoetis Inc</name>
        <lei>549300HD9Q1LOC9KLJ48</lei>
        <title>Zoetis Inc</title>
        <cusip>98978V103</cusip>
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          <isin value="US98978V1035"/>
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        <curCd>USD</curCd>
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        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>Lululemon Athletica Inc</name>
        <lei>549300D9GZ4BMLDW5T40</lei>
        <title>Lululemon Athletica Inc</title>
        <cusip>550021109</cusip>
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          <isin value="US5500211090"/>
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        <curCd>USD</curCd>
        <valUSD>22348000.00000000</valUSD>
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        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>Atlassian Corp PLC</name>
        <lei>549300AGBII4MWBVJY22</lei>
        <title>Atlassian Corp PLC</title>
        <cusip>000000000</cusip>
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          <isin value="GB00BZ09BD16"/>
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        <balance>866350.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>134708761.50000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>GB</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>salesforce.com Inc</name>
        <lei>RCGZFPDMRW58VJ54VR07</lei>
        <title>salesforce.com Inc</title>
        <cusip>79466L302</cusip>
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        <curCd>USD</curCd>
        <valUSD>448437930.50000000</valUSD>
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        <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>
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      <invstOrSec>
        <name>Amazon.com Inc</name>
        <lei>ZXTILKJKG63JELOEG630</lei>
        <title>Amazon.com Inc</title>
        <cusip>023135106</cusip>
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        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>999718660.00000000</valUSD>
        <pctVal>8.555423708700</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>Eli Lilly and Co</name>
        <lei>FRDRIPF3EKNDJ2CQJL29</lei>
        <title>Eli Lilly and Co</title>
        <cusip>532457108</cusip>
        <identifiers>
          <isin value="US5324571083"/>
        </identifiers>
        <balance>1041300.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>161026632.00000000</valUSD>
        <pctVal>1.378038762570</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>MSCI Inc</name>
        <lei>549300HTIN2PD78UB763</lei>
        <title>MSCI Inc</title>
        <cusip>55354G100</cusip>
        <identifiers>
          <isin value="US55354G1004"/>
        </identifiers>
        <balance>238200.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>77891400.00000000</valUSD>
        <pctVal>0.666581466293</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>Alphabet Inc</name>
        <lei>5493006MHB84DD0ZWV18</lei>
        <title>Alphabet Inc</title>
        <cusip>02079K107</cusip>
        <identifiers>
          <isin value="US02079K1079"/>
        </identifiers>
        <balance>251041.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>338568955.06000000</valUSD>
        <pctVal>2.897416024174</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>2020-05-15</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>
