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      </invstOrSec>
      <invstOrSec>
        <name>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 2.375% 1/15/27</title>
        <cusip>912810PS1</cusip>
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          <isin value="US912810PS15"/>
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        <curCd>USD</curCd>
        <valUSD>123367486.07000000</valUSD>
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        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
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      </invstOrSec>
      <invstOrSec>
        <name>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 1.75% 1/15/28</title>
        <cusip>912810PV4</cusip>
        <identifiers>
          <isin value="US912810PV44"/>
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        <curCd>USD</curCd>
        <valUSD>133903220.07000000</valUSD>
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        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
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          <couponKind>Fixed</couponKind>
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      </invstOrSec>
      <invstOrSec>
        <name>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 2.5% 1/15/29</title>
        <cusip>912810PZ5</cusip>
        <identifiers>
          <isin value="US912810PZ57"/>
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        <curCd>USD</curCd>
        <valUSD>15709647.18000000</valUSD>
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        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
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          <couponKind>Fixed</couponKind>
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      </invstOrSec>
      <invstOrSec>
        <name>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 2.125% 2/15/40</title>
        <cusip>912810QF8</cusip>
        <identifiers>
          <isin value="US912810QF84"/>
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        <balance>46261100.00000000</balance>
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        <curCd>USD</curCd>
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        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
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          <couponKind>Fixed</couponKind>
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      <invstOrSec>
        <name>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 2.125% 2/15/41</title>
        <cusip>912810QP6</cusip>
        <identifiers>
          <isin value="US912810QP66"/>
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        <balance>63530900.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>93012649.40000000</valUSD>
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        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
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          <couponKind>Fixed</couponKind>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.75% 2/15/42</title>
        <cusip>912810QV3</cusip>
        <identifiers>
          <isin value="US912810QV35"/>
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        <balance>111906600.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>126497459.01000000</valUSD>
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        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
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          <couponKind>Fixed</couponKind>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.625% 02/15/2043</title>
        <cusip>912810RA8</cusip>
        <identifiers>
          <isin value="US912810RA88"/>
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        <balance>114349700.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>121613356.12000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
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          <couponKind>Fixed</couponKind>
          <annualizedRt>0.00625000</annualizedRt>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 1.375% 02/15/2044</title>
        <cusip>912810RF7</cusip>
        <identifiers>
          <isin value="US912810RF75"/>
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        <balance>143558300.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>170475757.31000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
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          <couponKind>Fixed</couponKind>
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          <isPaidKind>N</isPaidKind>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.75% 02/15/2045</title>
        <cusip>912810RL4</cusip>
        <identifiers>
          <isin value="US912810RL44"/>
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        <balance>95374900.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>97718958.77000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2045-02-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.00750000</annualizedRt>
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        <securityLending>
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          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 1% 2/15/46</title>
        <cusip>912810RR1</cusip>
        <identifiers>
          <isin value="US912810RR14"/>
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        <balance>58958900.00000000</balance>
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        <curCd>USD</curCd>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
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          <couponKind>Fixed</couponKind>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.125% 07/15/2026</title>
        <cusip>912828S50</cusip>
        <identifiers>
          <isin value="US912828S505"/>
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        <curCd>USD</curCd>
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        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
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          <couponKind>Fixed</couponKind>
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      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.375% 01/15/2027</title>
        <cusip>912828V49</cusip>
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          <isin value="US912828V491"/>
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        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
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          <couponKind>Fixed</couponKind>
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      <invstOrSec>
        <name>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.875% 2/15/47</title>
        <cusip>912810RW0</cusip>
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          <isin value="US912810RW09"/>
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          <couponKind>Fixed</couponKind>
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      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.375% 07/15/2027</title>
        <cusip>9128282L3</cusip>
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          <isin value="US9128282L36"/>
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        <curCd>USD</curCd>
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      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.5% 01/15/2028</title>
        <cusip>9128283R9</cusip>
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          <isin value="US9128283R96"/>
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        <invCountry>US</invCountry>
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          <couponKind>Fixed</couponKind>
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      <invstOrSec>
        <name>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 1% 02/15/2048</title>
        <cusip>912810SB5</cusip>
        <identifiers>
          <isin value="US912810SB52"/>
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        <balance>146752000.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>145403223.06000000</valUSD>
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        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
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          <couponKind>Fixed</couponKind>
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      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.75% 07/15/28</title>
        <cusip>912828Y38</cusip>
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          <isin value="US912828Y388"/>
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        <balance>213753500.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>267338672.99000000</valUSD>
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        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2028-07-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.00750000</annualizedRt>
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          <isCashCollateral>N</isCashCollateral>
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      </invstOrSec>
      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.875% 01/15/2029</title>
        <cusip>9128285W6</cusip>
        <identifiers>
          <isin value="US9128285W63"/>
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        <balance>174877700.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>216582504.52000000</valUSD>
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        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
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          <couponKind>Fixed</couponKind>
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        <securityLending>
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          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 1% 02/15/2049</title>
        <cusip>912810SG4</cusip>
        <identifiers>
          <isin value="US912810SG40"/>
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        <balance>77611600.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>74619410.34000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2049-02-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.01000000</annualizedRt>
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        <securityLending>
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          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.25% 07/15/2029</title>
        <cusip>9128287D6</cusip>
        <identifiers>
          <isin value="US9128287D64"/>
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        <balance>195701500.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>232814289.60000000</valUSD>
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        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2029-07-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.00250000</annualizedRt>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.125% 01/15/2030</title>
        <cusip>912828Z37</cusip>
        <identifiers>
          <isin value="US912828Z377"/>
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        <balance>207352900.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>240892982.61000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2030-01-15</maturityDt>
          <couponKind>Fixed</couponKind>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.25% 02/15/2050</title>
        <cusip>912810SM1</cusip>
        <identifiers>
          <isin value="US912810SM18"/>
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        <balance>32717200.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>24705059.24000000</valUSD>
        <pctVal>0.228782492349</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2050-02-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.00250000</annualizedRt>
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          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.125% 07/15/2030</title>
        <cusip>912828ZZ6</cusip>
        <identifiers>
          <isin value="US912828ZZ63"/>
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        <balance>342557400.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>397603137.70000000</valUSD>
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        <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>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.125% 01/15/2031</title>
        <cusip>91282CBF7</cusip>
        <identifiers>
          <isin value="US91282CBF77"/>
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        <balance>238693700.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>269063207.39000000</valUSD>
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        <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>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.125% 02/15/2051</title>
        <cusip>912810SV1</cusip>
        <identifiers>
          <isin value="US912810SV17"/>
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        <balance>123303100.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>86610728.11000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2051-02-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.00125000</annualizedRt>
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          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.125% 04/15/2026</title>
        <cusip>91282CCA7</cusip>
        <identifiers>
          <isin value="US91282CCA71"/>
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        <balance>190311900.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>228893133.61000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2026-04-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.00125000</annualizedRt>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.125% 07/15/2031</title>
        <cusip>91282CCM1</cusip>
        <identifiers>
          <isin value="US91282CCM10"/>
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        <balance>337600000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>367488389.02000000</valUSD>
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        <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>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.125% 10/15/2026</title>
        <cusip>91282CDC2</cusip>
        <identifiers>
          <isin value="US91282CDC29"/>
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        <balance>255683400.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>294862357.50000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
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          <maturityDt>2026-10-15</maturityDt>
          <couponKind>Fixed</couponKind>
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      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.125% 01/15/2032</title>
        <cusip>91282CDX6</cusip>
        <identifiers>
          <isin value="US91282CDX65"/>
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        <balance>347690800.00000000</balance>
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        <curCd>USD</curCd>
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        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
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      <invstOrSec>
        <name>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.125% 02/15/2052</title>
        <cusip>912810TE8</cusip>
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          <isin value="US912810TE82"/>
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        <fairValLevel>2</fairValLevel>
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      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.125% 04/15/2027</title>
        <cusip>91282CEJ6</cusip>
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          <isin value="US91282CEJ62"/>
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        <fairValLevel>2</fairValLevel>
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      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.625% 07/15/2032</title>
        <cusip>91282CEZ0</cusip>
        <identifiers>
          <isin value="US91282CEZ05"/>
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        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
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      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 1.625% 10/15/2027</title>
        <cusip>91282CFR7</cusip>
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          <isin value="US91282CFR79"/>
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        <valUSD>355471737.37000000</valUSD>
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        <fairValLevel>2</fairValLevel>
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      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 1.125% 01/15/2033</title>
        <cusip>91282CGK1</cusip>
        <identifiers>
          <isin value="US91282CGK18"/>
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        <balance>383129600.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>391516639.50000000</valUSD>
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        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2033-01-15</maturityDt>
          <couponKind>Fixed</couponKind>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 1.5% 02/15/2053</title>
        <cusip>912810TP3</cusip>
        <identifiers>
          <isin value="US912810TP30"/>
        </identifiers>
        <balance>135580500.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>120654867.39000000</valUSD>
        <pctVal>1.117330705721</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2053-02-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.01500000</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>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 1.25% 04/15/2028</title>
        <cusip>91282CGW5</cusip>
        <identifiers>
          <isin value="US91282CGW55"/>
        </identifiers>
        <balance>321481400.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>340574235.32000000</valUSD>
        <pctVal>3.153905506942</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2028-04-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.01250000</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>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 1.375% 07/15/2033</title>
        <cusip>91282CHP9</cusip>
        <identifiers>
          <isin value="US91282CHP95"/>
        </identifiers>
        <balance>368662900.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>376219687.98000000</valUSD>
        <pctVal>3.484002084377</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>0.01375000</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>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 2.375% 10/15/2028</title>
        <cusip>91282CJH5</cusip>
        <identifiers>
          <isin value="US91282CJH51"/>
        </identifiers>
        <balance>380492200.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>411141909.81000000</valUSD>
        <pctVal>3.807401144910</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2028-10-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.02375000</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>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 1.75% 01/15/2034</title>
        <cusip>91282CJY8</cusip>
        <identifiers>
          <isin value="US91282CJY84"/>
        </identifiers>
        <balance>401025600.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>413788597.43000000</valUSD>
        <pctVal>3.831910933949</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>0.01750000</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 BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 2.125% 02/15/2054</title>
        <cusip>912810TY4</cusip>
        <identifiers>
          <isin value="US912810TY47"/>
        </identifiers>
        <balance>126686500.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>125908146.13000000</valUSD>
        <pctVal>1.165978968065</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2054-02-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.02125000</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>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 2.125% 04/15/2029</title>
        <cusip>91282CKL4</cusip>
        <identifiers>
          <isin value="US91282CKL45"/>
        </identifiers>
        <balance>486468400.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>514439071.59000000</valUSD>
        <pctVal>4.763989910597</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2029-04-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.02125000</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>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 1.875% 07/15/2034</title>
        <cusip>91282CLE9</cusip>
        <identifiers>
          <isin value="US91282CLE92"/>
        </identifiers>
        <balance>426645500.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>435999350.60000000</valUSD>
        <pctVal>4.037594774567</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>0.01875000</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>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 1.625% 10/15/2029</title>
        <cusip>91282CLV1</cusip>
        <identifiers>
          <isin value="US91282CLV18"/>
        </identifiers>
        <balance>370436000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>379292487.24000000</valUSD>
        <pctVal>3.512457902530</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2029-10-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.01625000</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>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 2.125% 01/15/2035</title>
        <cusip>91282CML2</cusip>
        <identifiers>
          <isin value="US91282CML27"/>
        </identifiers>
        <balance>158020000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>163291636.80000000</valUSD>
        <pctVal>1.512170737334</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>0.02125000</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 BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 2.375% 02/15/2055</title>
        <cusip>912810UH9</cusip>
        <identifiers>
          <isin value="US912810UH94"/>
        </identifiers>
        <balance>74371000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>75829137.53000000</valUSD>
        <pctVal>0.702219691450</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2055-02-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.02375000</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="As of March 2025, 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>2025-04-30</ncom:dateSigned>
      <ncom:nameOfApplicant>Laura M. Del Prato</ncom:nameOfApplicant>
      <ncom:signature>Laura M. Del Prato</ncom:signature>
      <ncom:signerName>Laura M. Del Prato</ncom:signerName>
      <ncom:title>President and Treasurer</ncom:title>
    </signature>
  </formData>
  <documents>XXXX</documents>
</edgarSubmission>
