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        <lei>254900HROIFWPRGM1V77</lei>
        <title>U.S. Treasury Inflation-Indexed Notes</title>
        <cusip>912828ZZ6</cusip>
        <identifiers>
          <isin value="US912828ZZ63"/>
        </identifiers>
        <balance>7056774.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>6550674.52000000</valUSD>
        <pctVal>2.706921380696</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2030-07-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.13000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>United States Treasury</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>U.S. Treasury Inflation-Indexed Notes</title>
        <cusip>91282CBF7</cusip>
        <identifiers>
          <isin value="US91282CBF77"/>
        </identifiers>
        <balance>19453380.54000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>17832430.14000000</valUSD>
        <pctVal>7.368857400617</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2031-01-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.13000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>United States Treasury</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>U.S. Treasury Inflation-Indexed Notes</title>
        <cusip>91282CCM1</cusip>
        <identifiers>
          <isin value="US91282CCM10"/>
        </identifiers>
        <balance>22814507.50000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>20764906.90000000</valUSD>
        <pctVal>8.580638571518</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2031-07-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.13000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>United States Treasury</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>U.S. Treasury Inflation-Indexed Notes</title>
        <cusip>91282CDX6</cusip>
        <identifiers>
          <isin value="US91282CDX65"/>
        </identifiers>
        <balance>22360950.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>20053455.59000000</valUSD>
        <pctVal>8.286647051029</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2032-01-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.13000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>United States Treasury</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>U.S. Treasury Inflation-Indexed Notes</title>
        <cusip>91282CEZ0</cusip>
        <identifiers>
          <isin value="US91282CEZ05"/>
        </identifiers>
        <balance>15164317.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>13904220.49000000</valUSD>
        <pctVal>5.745611633028</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2032-07-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.63000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>United States Treasury</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>U.S. Treasury Inflation-Indexed Notes</title>
        <cusip>91282CGK1</cusip>
        <identifiers>
          <isin value="US91282CGK18"/>
        </identifiers>
        <balance>10685695.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>9991706.55000000</valUSD>
        <pctVal>4.128851770494</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2033-01-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>1.13000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>United States Treasury</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>U.S. Treasury Inflation-Indexed Notes</title>
        <cusip>91282CHP9</cusip>
        <identifiers>
          <isin value="US91282CHP95"/>
        </identifiers>
        <balance>3309630.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>3134024.11000000</valUSD>
        <pctVal>1.295066156175</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2033-07-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>1.38000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>United States Treasury</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>U.S. Treasury Inflation-Indexed Notes</title>
        <cusip>91282CJY8</cusip>
        <identifiers>
          <isin value="US91282CJY84"/>
        </identifiers>
        <balance>8502000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>8193141.47000000</valUSD>
        <pctVal>3.385634525497</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2034-01-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>1.75000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>United States Treasury</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>U.S. Treasury Inflation-Indexed Notes</title>
        <cusip>91282CLE9</cusip>
        <identifiers>
          <isin value="US91282CLE92"/>
        </identifiers>
        <balance>3737265.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>3627464.04000000</valUSD>
        <pctVal>1.498969295086</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2034-07-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>1.88000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>United States Treasury</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>U.S. Treasury Inflation-Indexed Notes</title>
        <cusip>91282CML2</cusip>
        <identifiers>
          <isin value="US91282CML27"/>
        </identifiers>
        <balance>10086055.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>9904866.59000000</valUSD>
        <pctVal>4.092967077444</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>
        
        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2035-01-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>2.13000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <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"/>
      <explntrNote note="For purposes of Item C.6 identifying restricted securities,  a security that is subject to Rule 144A under the Securities Act of 1933, as amended, is identified as a restricted security only if the fund cannot sell the security to qualified institutional buyers at the report date due to the restrictions under Rule 144A." noteItem="C.6"/>
    </explntrNotes>
    <signature>
      <ncom:dateSigned>2026-08-31</ncom:dateSigned>
      <ncom:nameOfApplicant>DFA INVESTMENT DIMENSIONS GROUP INC</ncom:nameOfApplicant>
      <ncom:signature>Randy Olson</ncom:signature>
      <ncom:signerName>Randy Olson</ncom:signerName>
      <ncom:title>Vice President</ncom:title>
    </signature>
  </formData>
  <documents>XXXX</documents>
</edgarSubmission>
