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        <name>Hilton Worldwide Holdings, Inc.</name>
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        <name>Danaher Corp.</name>
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        <name>KKR &amp; Co., Inc.</name>
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        <name>ASML Holding NV</name>
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        <name>Vertiv Holdings Co.</name>
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        <name>TransDigm Group, Inc.</name>
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        <name>Sherwin-Williams Co. (The)</name>
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        <name>Bytedance Ltd., Series E-1</name>
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        <name>Ferrari NV</name>
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        <name>S&amp;P Global, Inc.</name>
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        <name>Broadcom, Inc.</name>
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        <title>Broadcom, Inc.</title>
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        <name>Meta Platforms, Inc.</name>
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        <name>Netflix, Inc.</name>
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        <title>Netflix, Inc.</title>
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        <name>AppLovin Corp.</name>
        <lei>549300LLVXMUAOL3SQ07</lei>
        <title>AppLovin Corp., Class A</title>
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      <invstOrSec>
        <name>BlackRock Liquidity Funds</name>
        <lei>5493002L9DNZ83RX7V61</lei>
        <title>BlackRock Liquidity Funds, T-Fund, Institutional Class</title>
        <cusip>09248U718</cusip>
        <identifiers>
          <isin value="US09248U7182"/>
          <other otherDesc="Inhouse Asset ID" value="09248U718"/>
        </identifiers>
        <balance>657518.60000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>657518.60000000</valUSD>
        <pctVal>0.295282462673</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>STIV</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Microsoft Corp.</name>
        <lei>INR2EJN1ERAN0W5ZP974</lei>
        <title>Microsoft Corp.</title>
        <cusip>594918104</cusip>
        <identifiers>
          <isin value="US5949181045"/>
          <other otherDesc="Inhouse Asset ID" value="594918104"/>
        </identifiers>
        <balance>53042.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>19911436.38000000</valUSD>
        <pctVal>8.941949276649</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"/>
          <other otherDesc="Inhouse Asset ID" value="679580100"/>
        </identifiers>
        <balance>9231.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1527268.95000000</valUSD>
        <pctVal>0.685875253902</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"/>
          <other otherDesc="Inhouse Asset ID" value="46120E602"/>
        </identifiers>
        <balance>9362.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>4636717.74000000</valUSD>
        <pctVal>2.082285479055</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>Shopify, Inc.</name>
        <lei>549300HGQ43STJLLP808</lei>
        <title>Shopify, Inc., Class A</title>
        <cusip>82509L107</cusip>
        <identifiers>
          <isin value="CA82509L1076"/>
          <other otherDesc="Inhouse Asset ID" value="82509L107"/>
        </identifiers>
        <balance>25995.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2482002.60000000</valUSD>
        <pctVal>1.114632863754</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>CA</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Copart, Inc.</name>
        <lei>549300KVYX3JWMYEHU61</lei>
        <title>Copart, Inc.</title>
        <cusip>217204106</cusip>
        <identifiers>
          <isin value="US2172041061"/>
          <other otherDesc="Inhouse Asset ID" value="217204106"/>
        </identifiers>
        <balance>45958.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2600763.22000000</valUSD>
        <pctVal>1.167966607229</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"/>
          <other otherDesc="Inhouse Asset ID" value="92826C839"/>
        </identifiers>
        <balance>30271.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>10608774.66000000</valUSD>
        <pctVal>4.764253220446</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>Salesforce, Inc.</name>
        <lei>RCGZFPDMRW58VJ54VR07</lei>
        <title>Salesforce, Inc.</title>
        <cusip>79466L302</cusip>
        <identifiers>
          <isin value="US79466L3024"/>
          <other otherDesc="Inhouse Asset ID" value="79466L302"/>
        </identifiers>
        <balance>16210.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>4350115.60000000</valUSD>
        <pctVal>1.953576442221</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>Align Technology, Inc.</name>
        <lei>549300N5YSE0U3LCP840</lei>
        <title>Align Technology, Inc.</title>
        <cusip>016255101</cusip>
        <identifiers>
          <isin value="US0162551016"/>
          <other otherDesc="Inhouse Asset ID" value="016255101"/>
        </identifiers>
        <balance>1491.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>236860.26000000</valUSD>
        <pctVal>0.106370650020</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 B.5.a have been calculated without deducting any applicable sales loads or redemption fees." noteItem="B.5.a"/>





    </explntrNotes>
    <signature>
      <ncom:dateSigned>2025-03-31</ncom:dateSigned>
      <ncom:nameOfApplicant>BlackRock Series Fund, Inc.</ncom:nameOfApplicant>
      <ncom:signature>Chuck Pulsfort</ncom:signature>
      <ncom:signerName>Chuck Pulsfort</ncom:signerName>
      <ncom:title>Assistant Treasurer</ncom:title>
    </signature>
  </formData>
  <documents>XXXX</documents>
</edgarSubmission>
