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        <lei>549300ROYBGCYUJI4283</lei>
        <title>VANG-TTL INT-INS</title>
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          <isin value="US92211J3086"/>
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        <curCd>USD</curCd>
        <valUSD>13293758174.78000000</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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        <name>Vanguard Total Stock Market Index Fund</name>
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        <title>VANG-T ST M-INS+</title>
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          <isin value="US9229083558"/>
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        <curCd>USD</curCd>
        <valUSD>40312484169.37000000</valUSD>
        <pctVal>35.26256303309</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>
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      </invstOrSec>
      <invstOrSec>
        <name>Vanguard Cmt Funds-Vanguard Market Liquidity Fund</name>
        <lei>1I6HV0TLSTR3A4XQ6L78</lei>
        <title>Vanguard Market Liquidity Fund</title>
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        <identifiers>
          <other otherDesc="FAID" value="CMT001142"/>
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        <valUSD>691208187.47000000</valUSD>
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        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
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      </invstOrSec>
      <invstOrSec>
        <name>Vanguard Short-Term Inflation-Protected Securities Index Fund</name>
        <lei>TX6CG4TTV0FTLWSYWI43</lei>
        <title>VANG-S/T INF-ADM</title>
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          <isin value="US9220207065"/>
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        <valUSD>1162206076.05000000</valUSD>
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        <invCountry>US</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
    </invstOrSecs>
    <signature>
      <ncom:dateSigned>2026-08-27</ncom:dateSigned>
      <ncom:nameOfApplicant>VANGUARD CHESTER FUNDS</ncom:nameOfApplicant>
      <ncom:signature>My Trieu-Gatt</ncom:signature>
      <ncom:signerName>My Trieu-Gatt</ncom:signerName>
      <ncom:title>Treasurer</ncom:title>
    </signature>
  </formData>
  <documents>XXXX</documents>
</edgarSubmission>
