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          <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 0.25% 02/15/2050</title>
        <cusip>912810SM1</cusip>
        <identifiers>
          <isin value="US912810SM18"/>
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        <balance>126688800.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>92476395.30000000</valUSD>
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        <assetCat>DBT</assetCat>
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        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
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          <couponKind>Fixed</couponKind>
          <annualizedRt>0.00250000</annualizedRt>
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        <securityLending>
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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>149024300.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>189231091.91000000</valUSD>
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        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
        <debtSec>
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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 1.5% 02/15/2053</title>
        <cusip>912810TP3</cusip>
        <identifiers>
          <isin value="US912810TP30"/>
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        <balance>147644500.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>126230712.51000000</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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          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.75% 07/15/28</title>
        <cusip>912828Y38</cusip>
        <identifiers>
          <isin value="US912828Y388"/>
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        <balance>212153500.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>271933240.85000000</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>0.00750000</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 2.375% 10/15/2028</title>
        <cusip>91282CJH5</cusip>
        <identifiers>
          <isin value="US91282CJH51"/>
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        <balance>322337800.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>352907189.09000000</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>0.02375000</annualizedRt>
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          <isPaidKind>N</isPaidKind>
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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 1.75% 1/15/28</title>
        <cusip>912810PV4</cusip>
        <identifiers>
          <isin value="US912810PV44"/>
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        <curCd>USD</curCd>
        <valUSD>89581526.34000000</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>
          <annualizedRt>0.01750000</annualizedRt>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      <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>31272400.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>29140411.79000000</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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          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
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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 0.625% 02/15/2043</title>
        <cusip>912810RA8</cusip>
        <identifiers>
          <isin value="US912810RA88"/>
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        <balance>108853300.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>114857154.70000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
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          <couponKind>Fixed</couponKind>
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          <isPaidKind>N</isPaidKind>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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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>58539100.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>85288234.06000000</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>2041-02-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.02125000</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 0.875% 2/15/47</title>
        <cusip>912810RW0</cusip>
        <identifiers>
          <isin value="US912810RW09"/>
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        <balance>114283200.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>111269712.13000000</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>2047-02-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.00875000</annualizedRt>
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          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 1.875% 07/15/2035</title>
        <cusip>91282CNS6</cusip>
        <identifiers>
          <isin value="US91282CNS60"/>
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        <balance>450500000.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>455704188.61000000</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>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.125% 01/15/2031</title>
        <cusip>91282CBF7</cusip>
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          <isin value="US91282CBF77"/>
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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 3.875% 4/15/29</title>
        <cusip>912810FH6</cusip>
        <identifiers>
          <isin value="US912810FH69"/>
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        <balance>71561700.00000000</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>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.125% 07/15/2031</title>
        <cusip>91282CCM1</cusip>
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          <isin value="US91282CCM10"/>
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      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.25% 07/15/2029</title>
        <cusip>9128287D6</cusip>
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          <isin value="US9128287D64"/>
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      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.125% 01/15/2032</title>
        <cusip>91282CDX6</cusip>
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          <isin value="US91282CDX65"/>
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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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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 2.125% 01/15/2035</title>
        <cusip>91282CML2</cusip>
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          <isin value="US91282CML27"/>
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        <balance>435800000.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>457692451.79000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
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        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
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          <maturityDt>2035-01-15</maturityDt>
          <couponKind>Fixed</couponKind>
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          <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 1% 2/15/46</title>
        <cusip>912810RR1</cusip>
        <identifiers>
          <isin value="US912810RR14"/>
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        <balance>59804100.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>62027807.69000000</valUSD>
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        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2046-02-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.01000000</annualizedRt>
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          <isPaidKind>N</isPaidKind>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.375% 07/15/2027</title>
        <cusip>9128282L3</cusip>
        <identifiers>
          <isin value="US9128282L36"/>
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        <balance>178824600.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>235284721.43000000</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>2027-07-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.00375000</annualizedRt>
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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 2.125% 2/15/40</title>
        <cusip>912810QF8</cusip>
        <identifiers>
          <isin value="US912810QF84"/>
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        <balance>50514900.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>75399197.80000000</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>2040-02-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.02125000</annualizedRt>
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          <isPaidKind>N</isPaidKind>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      </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"/>
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        <balance>297338600.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>321499567.21000000</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>2028-04-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.01250000</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>
      <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>116050400.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>130326627.64000000</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>2042-02-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.00750000</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>
      <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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        <balance>101044800.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>158201109.41000000</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>2029-01-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.02500000</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 1.875% 07/15/2034</title>
        <cusip>91282CLE9</cusip>
        <identifiers>
          <isin value="US91282CLE92"/>
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        <balance>390984500.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>407453307.87000000</valUSD>
        <pctVal>3.698232140903</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>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <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>269061100.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>323029426.29000000</valUSD>
        <pctVal>2.931962469536</pctVal>
        <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>
          <annualizedRt>0.00125000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
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        <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"/>
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        <balance>324275000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>338914444.49000000</valUSD>
        <pctVal>3.076142142964</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>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.375% 01/15/2027</title>
        <cusip>912828V49</cusip>
        <identifiers>
          <isin value="US912828V491"/>
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        <balance>171779000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>228687870.70000000</valUSD>
        <pctVal>2.075675463475</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2027-01-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.00375000</annualizedRt>
          <isDefault>N</isDefault>
          <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>
      <invstOrSec>
        <name>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.125% 02/15/2052</title>
        <cusip>912810TE8</cusip>
        <identifiers>
          <isin value="US912810TE82"/>
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        <balance>107017100.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>66301573.19000000</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>2052-02-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.00125000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
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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 1.625% 10/15/2027</title>
        <cusip>91282CFR7</cusip>
        <identifiers>
          <isin value="US91282CFR79"/>
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        <balance>282603700.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>313006631.08000000</valUSD>
        <pctVal>2.840991006864</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2027-10-15</maturityDt>
          <couponKind>Fixed</couponKind>
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          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
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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 3.625 4/15/28</title>
        <cusip>912810FD5</cusip>
        <identifiers>
          <isin value="US912810FD55"/>
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        <balance>95492900.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>201757013.33000000</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>2028-04-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.03625000</annualizedRt>
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          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>Fidelity Revere Street Trust</name>
        <lei>549300BDV45LJNXBZC55</lei>
        <title>Fidelity Cash Central Fund</title>
        <cusip>31635A105</cusip>
        <identifiers>
          <isin value="US31635A1051"/>
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        <balance>59160955.96400000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>59172788.16000000</valUSD>
        <pctVal>0.537079225553</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>STIV</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 1.375% 07/15/2033</title>
        <cusip>91282CHP9</cusip>
        <identifiers>
          <isin value="US91282CHP95"/>
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        <balance>398167100.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>416207254.57000000</valUSD>
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        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
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          <maturityDt>2033-07-15</maturityDt>
          <couponKind>Fixed</couponKind>
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          <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% 02/15/2045</title>
        <cusip>912810RL4</cusip>
        <identifiers>
          <isin value="US912810RL44"/>
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        <balance>141633100.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>142947121.91000000</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>2045-02-15</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% 02/15/2048</title>
        <cusip>912810SB5</cusip>
        <identifiers>
          <isin value="US912810SB52"/>
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        <balance>77139000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>74481080.26000000</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>2048-02-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.01000000</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 2.375% 02/15/2055</title>
        <cusip>912810UH9</cusip>
        <identifiers>
          <isin value="US912810UH94"/>
        </identifiers>
        <balance>156827000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>153663530.92000000</valUSD>
        <pctVal>1.394720322443</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>
      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 1.125% 01/15/2033</title>
        <cusip>91282CGK1</cusip>
        <identifiers>
          <isin value="US91282CGK18"/>
        </identifiers>
        <balance>352448400.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>369759542.86000000</valUSD>
        <pctVal>3.356106330217</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>0.01125000</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 1.125% 10/15/2030</title>
        <cusip>91282CPH8</cusip>
        <identifiers>
          <isin value="US91282CPH87"/>
        </identifiers>
        <balance>218000000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>216131886.28000000</valUSD>
        <pctVal>1.961711619653</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2030-10-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.01125000</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 0.5% 01/15/2028</title>
        <cusip>9128283R9</cusip>
        <identifiers>
          <isin value="US9128283R96"/>
        </identifiers>
        <balance>241823800.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>313636281.96000000</valUSD>
        <pctVal>2.846706005557</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2028-01-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.00500000</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 0.125% 04/15/2027</title>
        <cusip>91282CEJ6</cusip>
        <identifiers>
          <isin value="US91282CEJ62"/>
        </identifiers>
        <balance>327541400.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>370927899.71000000</valUSD>
        <pctVal>3.366710870102</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2027-04-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.00125000</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% 04/15/2030</title>
        <cusip>91282CNB3</cusip>
        <identifiers>
          <isin value="US91282CNB36"/>
        </identifiers>
        <balance>325500000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>334673759.52000000</valUSD>
        <pctVal>3.037651751176</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2030-04-15</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>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 2.375% 1/15/27</title>
        <cusip>912810PS1</cusip>
        <identifiers>
          <isin value="US912810PS15"/>
        </identifiers>
        <balance>92133700.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>149944952.33000000</valUSD>
        <pctVal>1.360968806393</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2027-01-15</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 2.125% 04/15/2029</title>
        <cusip>91282CKL4</cusip>
        <identifiers>
          <isin value="US91282CKL45"/>
        </identifiers>
        <balance>312330600.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>335770922.52000000</valUSD>
        <pctVal>3.047610103193</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>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.125% 02/15/2051</title>
        <cusip>912810SV1</cusip>
        <identifiers>
          <isin value="US912810SV17"/>
        </identifiers>
        <balance>99354900.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>67197344.83000000</valUSD>
        <pctVal>0.609913763451</pctVal>
        <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>
          <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>365819400.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>385415871.89000000</valUSD>
        <pctVal>3.498210316389</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 1.375% 02/15/2044</title>
        <cusip>912810RF7</cusip>
        <identifiers>
          <isin value="US912810RF75"/>
        </identifiers>
        <balance>107672700.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>126079665.91000000</valUSD>
        <pctVal>1.144356577248</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2044-02-15</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>
    </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>2026-01-30</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>
</edgarSubmission>
