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      <repPdEnd>2021-12-31</repPdEnd>
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        <assetCat>EC</assetCat>
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        <fairValLevel>1</fairValLevel>
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      </invstOrSec>
      <invstOrSec>
        <name>Home Depot Inc/The</name>
        <lei>QEKMOTMBBKA8I816DO57</lei>
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        <assetCat>EC</assetCat>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>Amazon.com Inc</name>
        <lei>ZXTILKJKG63JELOEG630</lei>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>Schlumberger NV</name>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>Elanco Animal Health Inc</name>
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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>
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        <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>Agilent Technologies Inc</name>
        <lei>QUIX8Y7A2WP0XRMW7G29</lei>
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          <isin value="US00846U1016"/>
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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>Planet Fitness Inc</name>
        <lei>549300LLE5HUPF6H8G33</lei>
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          <isin value="US72703H1014"/>
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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>salesforce.com Inc</name>
        <lei>RCGZFPDMRW58VJ54VR07</lei>
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        <assetCat>EC</assetCat>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Danaher Corp</name>
        <lei>S4BKK9OTCEWQ3YHPFM11</lei>
        <title>Danaher Corp</title>
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          <isin value="US2358511028"/>
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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>Lam Research Corp</name>
        <lei>549300I4GMO6D34U1T02</lei>
        <title>Lam Research Corp</title>
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          <isin value="US5128071082"/>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>Wells Fargo &amp; Co</name>
        <lei>PBLD0EJDB5FWOLXP3B76</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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        <name>Dreyfus Government Cash Management</name>
        <lei>5493000Q69I5Q3QZIA91</lei>
        <title>Dreyfus Government Cash Management</title>
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        <assetCat>STIV</assetCat>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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        <name>EOG Resources Inc</name>
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        <name>Coca-Cola Co/The</name>
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        <name>NVIDIA Corp</name>
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        <name>Thermo Fisher Scientific Inc</name>
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        <name>Eaton Corp PLC</name>
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        <name>Alphabet Inc</name>
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      <invstOrSec>
        <name>Visa Inc</name>
        <lei>549300JZ4OKEHW3DPJ59</lei>
        <title>Visa Inc</title>
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        <assetCat>EC</assetCat>
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        <name>NIKE Inc</name>
        <lei>787RXPR0UX0O0XUXPZ81</lei>
        <title>NIKE Inc</title>
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        <assetCat>EC</assetCat>
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        <name>Walt Disney Co/The</name>
        <lei>549300GZKULIZ0WOW665</lei>
        <title>Walt Disney Co/The</title>
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          <ticker value="DIS"/>
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        <assetCat>EC</assetCat>
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        <fairValLevel>1</fairValLevel>
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        <name>FedEx Corp</name>
        <lei>549300E707U7WNPZN687</lei>
        <title>FedEx Corp</title>
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          <ticker value="FDX"/>
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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>Electronic Arts Inc</name>
        <lei>549300O7A67PUEYKDL45</lei>
        <title>Electronic Arts Inc</title>
        <cusip>285512109</cusip>
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          <ticker value="EA"/>
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        <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>IFF</name>
        <lei>BZLRL03D3GPGMOGFO832</lei>
        <title>International Flavors &amp; Fragrances Inc</title>
        <cusip>459506101</cusip>
        <identifiers>
          <isin value="US4595061015"/>
          <ticker value="IFF"/>
        </identifiers>
        <balance>1536366.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>231453537.90000000</valUSD>
        <pctVal>2.769755301630</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</title>
        <cusip>518439104</cusip>
        <identifiers>
          <isin value="US5184391044"/>
          <ticker value="EL"/>
        </identifiers>
        <balance>224715.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>83189493.00000000</valUSD>
        <pctVal>0.995510984050</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>Truist Financial Corp</name>
        <lei>549300DRQQI75D2JP341</lei>
        <title>Truist Financial Corp</title>
        <cusip>89832Q109</cusip>
        <identifiers>
          <isin value="US89832Q1094"/>
          <ticker value="TFC"/>
        </identifiers>
        <balance>3288308.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>192530433.40000000</valUSD>
        <pctVal>2.303970781666</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>Booking Holdings Inc</name>
        <lei>FXM8FAOHMYDIPD38UZ17</lei>
        <title>Booking Holdings Inc</title>
        <cusip>09857L108</cusip>
        <identifiers>
          <isin value="US09857L1089"/>
          <ticker value="BKNG"/>
        </identifiers>
        <balance>47637.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>114292119.51000000</valUSD>
        <pctVal>1.367709505845</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"/>
          <ticker value="MSFT"/>
        </identifiers>
        <balance>1568945.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>527667582.40000000</valUSD>
        <pctVal>6.314485823423</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>Carrier Global Corp</name>
        <lei>549300JE3W6CWY2NAN77</lei>
        <title>Carrier Global Corp</title>
        <cusip>14448C104</cusip>
        <identifiers>
          <isin value="US14448C1045"/>
          <ticker value="CARR"/>
        </identifiers>
        <balance>1795886.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>97408856.64000000</valUSD>
        <pctVal>1.165671086958</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>Analog Devices Inc</name>
        <lei>GYVOE5EZ4GDAVTU4CQ61</lei>
        <title>Analog Devices Inc</title>
        <cusip>032654105</cusip>
        <identifiers>
          <isin value="US0326541051"/>
          <ticker value="ADI"/>
        </identifiers>
        <balance>1796959.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>315851483.43000000</valUSD>
        <pctVal>3.779727580297</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>Citizens Financial Group Inc</name>
        <lei>2138004JDDA4ZQUPFW65</lei>
        <title>Citizens Financial Group Inc</title>
        <cusip>174610105</cusip>
        <identifiers>
          <isin value="US1746101054"/>
          <ticker value="CFG"/>
        </identifiers>
        <balance>5153168.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>243487188.00000000</valUSD>
        <pctVal>2.913759435094</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>Biogen Inc</name>
        <lei>W8J5WZB5IY3K0NDQT671</lei>
        <title>Biogen Inc</title>
        <cusip>09062X103</cusip>
        <identifiers>
          <isin value="US09062X1037"/>
          <ticker value="BIIB"/>
        </identifiers>
        <balance>230095.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>55204392.40000000</valUSD>
        <pctVal>0.660619232311</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>Martin Marietta Materials Inc</name>
        <lei>5299005MZ4WZECVATV08</lei>
        <title>Martin Marietta Materials Inc</title>
        <cusip>573284106</cusip>
        <identifiers>
          <isin value="US5732841060"/>
          <ticker value="MLM"/>
        </identifiers>
        <balance>467300.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>205854996.00000000</valUSD>
        <pctVal>2.463422990684</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"/>
          <ticker value="UNH"/>
        </identifiers>
        <balance>246878.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>123967318.92000000</valUSD>
        <pctVal>1.483490561098</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"/>
          <ticker value="UNP"/>
        </identifiers>
        <balance>1322947.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>333290037.71000000</valUSD>
        <pctVal>3.988411053481</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>Akamai Technologies Inc</name>
        <lei>OC1LZNN2LF5WTJ5RIL89</lei>
        <title>Akamai Technologies Inc</title>
        <cusip>00971T101</cusip>
        <identifiers>
          <isin value="US00971T1016"/>
          <ticker value="AKAM"/>
        </identifiers>
        <balance>1118534.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>130913219.36000000</valUSD>
        <pctVal>1.566610675584</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>United Parcel Service Inc</name>
        <lei>D01LMJZU09ULLNCY6Z23</lei>
        <title>United Parcel Service Inc</title>
        <cusip>911312106</cusip>
        <identifiers>
          <isin value="US9113121068"/>
          <ticker value="UPS"/>
        </identifiers>
        <balance>1381415.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>296092491.10000000</valUSD>
        <pctVal>3.543275918087</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>PayPal Holdings Inc</name>
        <lei>5493005X2GO78EFZ3E94</lei>
        <title>PayPal Holdings Inc</title>
        <cusip>70450Y103</cusip>
        <identifiers>
          <isin value="US70450Y1038"/>
          <ticker value="PYPL"/>
        </identifiers>
        <balance>182126.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>34345321.08000000</valUSD>
        <pctVal>0.411003158606</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>Shake Shack Inc</name>
        <lei>529900J74GJAHYP80N79</lei>
        <title>Shake Shack Inc</title>
        <cusip>819047101</cusip>
        <identifiers>
          <isin value="US8190471016"/>
          <ticker value="SHAK"/>
        </identifiers>
        <balance>425773.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>30723779.68000000</valUSD>
        <pctVal>0.367664942289</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>2022-02-18</ncom:dateSigned>
      <ncom:nameOfApplicant>PIONEER FUND /MA/</ncom:nameOfApplicant>
      <ncom:signature>Anthony J. Koenig, Jr</ncom:signature>
      <ncom:signerName>Anthony J. Koenig, Jr</ncom:signerName>
      <ncom:title>Managing Director, Chief Operations Officer &amp; Fund Treasurer</ncom:title>
    </signature>
  </formData>
</edgarSubmission>
