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          <ccc>XXXXXXXX</ccc>
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        <classId>C000220944</classId>
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      <regStreet1>100 Bellevue Parkway</regStreet1>
      <regCity>Wilmington</regCity>
      <regStateConditional regCountry="US" regState="US-DE"/>
      <regZipOrPostalCode>19809</regZipOrPostalCode>
      <regPhone>800-441-7762</regPhone>
      <seriesName>BlackRock LifePath ESG Index 2040 Fund</seriesName>
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      <repPdEnd>2026-10-31</repPdEnd>
      <repPdDate>2026-07-31</repPdDate>
      <isFinalFiling>N</isFinalFiling>
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      <totLiabs>22185333.34</totLiabs>
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        <name>iShares MSCI Emerging Markets Small-Cap ETF</name>
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        <name>iShares MSCI Canada ETF</name>
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        <name>iShares TIPS Bond ETF</name>
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        <name>iShares MSCI EAFE Small-Cap ETF</name>
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        <name>iShares ESG Aware MSCI EM ETF</name>
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        <name>iShares ESG Aware MSCI USA ETF</name>
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        <fairValLevel>1</fairValLevel>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>BlackRock Funds III</name>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>BLACKROCK CASH FUNDS TREASURY SL AGENCY SHARES</name>
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        <valUSD>65959.27000000</valUSD>
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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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          <isLoanByFund>N</isLoanByFund>
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      </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>2026-08-31</ncom:dateSigned>
      <ncom:nameOfApplicant>BlackRock Funds III</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>
