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      </invstOrSec>
      <invstOrSec>
        <name>Monolithic Power Systems Inc</name>
        <lei>529900TB7O85LSZ1XU31</lei>
        <title>Monolithic Power Systems Inc</title>
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          <isin value="US6098391054"/>
          <ticker value="MPWR"/>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>Match Group Inc</name>
        <lei>15OMOPB0A8K0EFUVD031</lei>
        <title>Match Group Inc</title>
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          <isin value="US57667L1070"/>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>Dover Corp</name>
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        <title>Dover Corp</title>
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          <isin value="US2600031080"/>
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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>BlackRock Liquidity Funds T-Fund</name>
        <lei>5493002L9DNZ83RX7V61</lei>
        <title>BlackRock Liquidity Funds T-Fund</title>
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          <isin value="US09248U7182"/>
          <ticker value="TSTXX"/>
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        <assetCat>STIV</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Penn National Gaming Inc</name>
        <lei>N/A</lei>
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          <isin value="US7075691094"/>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Rollins Inc</name>
        <lei>549300F2A0BXT4SGWD84</lei>
        <title>Rollins Inc</title>
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          <isin value="US7757111049"/>
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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>Teledyne Technologies Inc</name>
        <lei>549300VSMO9KYQWDND94</lei>
        <title>Teledyne Technologies Inc</title>
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          <isin value="US8793601050"/>
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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>IDEX Corp</name>
        <lei>549300U5Y5EL6PHYLF13</lei>
        <title>IDEX Corp</title>
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          <isin value="US45167R1041"/>
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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>Bright Horizons Family Solutio</name>
        <lei>N/A</lei>
        <title>Bright Horizons Family Solutions Inc</title>
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          <isin value="US1091941005"/>
          <ticker value="BFAM"/>
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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>Expedia Group Inc</name>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Fiverr International Ltd</name>
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        <title>Fiverr International Ltd</title>
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        <assetCat>EC</assetCat>
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        <invCountry>IL</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>Vail Resorts Inc</name>
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        <title>Vail Resorts Inc</title>
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          <ticker value="MTN"/>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>AZEK Co Inc/The</name>
        <lei>N/A</lei>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>MongoDB Inc</name>
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        <fairValLevel>1</fairValLevel>
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        <name>Pool Corp</name>
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        <fairValLevel>1</fairValLevel>
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        <name>Coupa Software Inc</name>
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        <name>Shoals Technologies Group Inc</name>
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        <name>Globant SA</name>
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        <name>Ferrari NV</name>
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        <name>Paycom Software Inc</name>
        <lei>254900LSB0HNJUDC6Q18</lei>
        <title>Paycom Software Inc</title>
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        <name>Synopsys Inc</name>
        <lei>QG7T915N9S0NY5UKNE63</lei>
        <title>Synopsys Inc</title>
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        <fairValLevel>1</fairValLevel>
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        <name>TELEFLEX INC</name>
        <lei>UUL85LWXB4NGSWWXIQ25</lei>
        <title>TELEFLEX INC</title>
        <cusip>879369106</cusip>
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          <ticker value="TFX"/>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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        <name>10X Genomics Inc</name>
        <lei>5493003Z6741WNLG7H43</lei>
        <title>10X Genomics Inc</title>
        <cusip>88025U109</cusip>
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          <ticker value="TXG"/>
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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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      <invstOrSec>
        <name>Entegris Inc</name>
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      <invstOrSec>
        <name>Tractor Supply Co</name>
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        <name>Vulcan Materials Co</name>
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        <name>West Pharmaceutical Services I</name>
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      <invstOrSec>
        <name>Tradeweb Markets Inc</name>
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        <name>Nice Ltd</name>
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        <name>SBA COMMUNICATIONS CORP</name>
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        <name>MarketAxess Holdings Inc</name>
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        <name>ON Semiconductor Corp</name>
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        <name>MONEY MARKET SERIES LLC</name>
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        <name>Fair Isaac Corp</name>
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        <name>HEICO Corp</name>
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        <name>Bio-Techne Corp</name>
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        <name>TransUnion</name>
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        <name>Lightspeed Commerce Inc</name>
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        <name>Catalent Inc</name>
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        <name>Churchill Downs Inc</name>
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        <name>Tyler Technologies Inc</name>
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        <name>IDEXX Laboratories Inc</name>
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        <name>SVB Financial Group</name>
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        <name>Cable One Inc</name>
        <lei>549300648QS85T0XSH18</lei>
        <title>Cable One Inc</title>
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          <ticker value="CABO"/>
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        <balance>216499.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>310210592.15000000</valUSD>
        <pctVal>1.827545263190</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>Carlyle Group Inc/The</name>
        <lei>529900NGGVF94UK6PG95</lei>
        <title>Carlyle Group Inc/The</title>
        <cusip>14316J108</cusip>
        <identifiers>
          <isin value="US14316J1088"/>
          <ticker value="CG"/>
        </identifiers>
        <balance>5592976.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>262142785.12000000</valUSD>
        <pctVal>1.544363143454</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>Veeva Systems Inc</name>
        <lei>549300YZEXPDB92M2F02</lei>
        <title>Veeva Systems Inc</title>
        <cusip>922475108</cusip>
        <identifiers>
          <isin value="US9224751084"/>
          <ticker value="VEEV"/>
        </identifiers>
        <balance>2132312.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>488406063.60000000</valUSD>
        <pctVal>2.877349164189</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>Old Dominion Freight Line Inc</name>
        <lei>5299009TWK32WE417T96</lei>
        <title>Old Dominion Freight Line Inc</title>
        <cusip>679580100</cusip>
        <identifiers>
          <isin value="US6795801009"/>
          <ticker value="ODFL"/>
        </identifiers>
        <balance>1351402.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>424380770.06000000</valUSD>
        <pctVal>2.500156621786</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>Cadence Design Systems Inc</name>
        <lei>GCT7RXJOGLXPV0NXZY22</lei>
        <title>Cadence Design Systems Inc</title>
        <cusip>127387108</cusip>
        <identifiers>
          <isin value="US1273871087"/>
          <ticker value="CDNS"/>
        </identifiers>
        <balance>3139920.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>475478085.60000000</valUSD>
        <pctVal>2.801186500649</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>HubSpot Inc</name>
        <lei>529900BLNVEW0MVKJB37</lei>
        <title>HubSpot Inc</title>
        <cusip>443573100</cusip>
        <identifiers>
          <isin value="US4435731009"/>
          <ticker value="HUBS"/>
        </identifiers>
        <balance>847631.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>445006275.00000000</valUSD>
        <pctVal>2.621667765531</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>
          <loanByFundCondition isLoanByFund="Y" loanVal="36349425.00000000"/>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Okta Inc</name>
        <lei>549300N8J06I8MRHU620</lei>
        <title>Okta Inc</title>
        <cusip>679295105</cusip>
        <identifiers>
          <isin value="US6792951054"/>
          <ticker value="OKTA"/>
        </identifiers>
        <balance>2282610.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>417352412.40000000</valUSD>
        <pctVal>2.458750422016</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>
          <loanByFundCondition isLoanByFund="Y" loanVal="32508952.00000000"/>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Liberty Media Corp-Liberty For</name>
        <lei>N/A</lei>
        <title>Liberty Media Corp-Liberty Formula One</title>
        <cusip>531229854</cusip>
        <identifiers>
          <isin value="US5312298541"/>
          <ticker value="FWONK"/>
        </identifiers>
        <balance>4562217.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>277063438.41000000</valUSD>
        <pctVal>1.632265265218</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>
          <loanByFundCondition isLoanByFund="Y" loanVal="8380740.00000000"/>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Vroom Inc</name>
        <lei>N/A</lei>
        <title>Vroom Inc</title>
        <cusip>92918V109</cusip>
        <identifiers>
          <isin value="US92918V1098"/>
          <ticker value="VRM"/>
        </identifiers>
        <balance>7432720.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>45190937.60000000</valUSD>
        <pctVal>0.266233604009</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>
          <loanByFundCondition isLoanByFund="Y" loanVal="729600.00000000"/>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Domino's Pizza Inc</name>
        <lei>25490005ZWM1IF9UXU57</lei>
        <title>Domino's Pizza Inc</title>
        <cusip>25754A201</cusip>
        <identifiers>
          <isin value="US25754A2015"/>
          <ticker value="DPZ"/>
        </identifiers>
        <balance>209761.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>90660801.81000000</valUSD>
        <pctVal>0.534110449796</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>KKR &amp; Co Inc</name>
        <lei>549300JOHU21WRN2Z451</lei>
        <title>KKR &amp; Co Inc</title>
        <cusip>48251W104</cusip>
        <identifiers>
          <isin value="US48251W1045"/>
          <ticker value="KKR"/>
        </identifiers>
        <balance>5642896.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>339250907.52000000</valUSD>
        <pctVal>1.998630623068</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>Charles River Laboratories Int</name>
        <lei>549300BSQ0R4UZ5KX287</lei>
        <title>Charles River Laboratories International Inc</title>
        <cusip>159864107</cusip>
        <identifiers>
          <isin value="US1598641074"/>
          <ticker value="CRL"/>
        </identifiers>
        <balance>1077542.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>313737128.72000000</valUSD>
        <pctVal>1.848321166293</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>COSTAR GROUP INC</name>
        <lei>N/A</lei>
        <title>COSTAR GROUP INC</title>
        <cusip>22160N109</cusip>
        <identifiers>
          <isin value="US22160N1090"/>
          <ticker value="CSGP"/>
        </identifiers>
        <balance>530270.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>32351772.70000000</valUSD>
        <pctVal>0.190594165543</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>Planet Fitness Inc</name>
        <lei>549300LLE5HUPF6H8G33</lei>
        <title>Planet Fitness Inc</title>
        <cusip>72703H101</cusip>
        <identifiers>
          <isin value="US72703H1014"/>
          <ticker value="PLNT"/>
        </identifiers>
        <balance>2246938.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>190158362.94000000</valUSD>
        <pctVal>1.120280945400</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>Waste Connections Inc</name>
        <lei>549300HDLRTPBQU69P29</lei>
        <title>Waste Connections Inc</title>
        <cusip>94106B101</cusip>
        <identifiers>
          <isin value="CA94106B1013"/>
          <ticker value="WCN"/>
        </identifiers>
        <balance>1567591.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>193581812.59000000</valUSD>
        <pctVal>1.140449531999</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>2022-04-25</ncom:dateSigned>
      <ncom:nameOfApplicant>BlackRock Funds</ncom:nameOfApplicant>
      <ncom:signature>Ann Frechette</ncom:signature>
      <ncom:signerName>Ann Frechette</ncom:signerName>
      <ncom:title>Assistant Treasurer</ncom:title>
    </signature>
  </formData>
  <documents>XXXX</documents>
</edgarSubmission>
