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        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2044-08-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.03125000</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>UNITED STATES TREASURY BOND 3% 02/15/2048</title>
        <cusip>912810SA7</cusip>
        <identifiers>
          <isin value="US912810SA79"/>
        </identifiers>
        <balance>191339000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>248247405.10000000</valUSD>
        <pctVal>3.040974959422</pctVal>
        <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>0.03000000</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>USTB 4.625% 2/15/40</title>
        <cusip>912810QE1</cusip>
        <identifiers>
          <isin value="US912810QE10"/>
        </identifiers>
        <balance>86890000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>134306144.10000000</valUSD>
        <pctVal>1.645220101858</pctVal>
        <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>0.04625000</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>UNITED STATES TREASURY BOND 3.625% 02/15/2044</title>
        <cusip>912810RE0</cusip>
        <identifiers>
          <isin value="US912810RE01"/>
        </identifiers>
        <balance>186624000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>260107200.00000000</valUSD>
        <pctVal>3.186254783395</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>0.03625000</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>UNITED STATES TREASURY BOND 2.5% 05/15/2046</title>
        <cusip>912810RS9</cusip>
        <identifiers>
          <isin value="US912810RS96"/>
        </identifiers>
        <balance>137416000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>161372547.53000000</valUSD>
        <pctVal>1.976777465122</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2046-05-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.02500000</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>USTB 5% 5/15/37</title>
        <cusip>912810PU6</cusip>
        <identifiers>
          <isin value="US912810PU60"/>
        </identifiers>
        <balance>22627000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>35292816.68000000</valUSD>
        <pctVal>0.432329078034</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2037-05-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.05000000</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>UNITED STATES TREASURY BOND 2.50% 02/15/2045</title>
        <cusip>912810RK6</cusip>
        <identifiers>
          <isin value="US912810RK60"/>
        </identifiers>
        <balance>164455000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>192174661.54000000</valUSD>
        <pctVal>2.354096444001</pctVal>
        <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>0.02500000</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>FIDELITY REVERE STREET TRUST</name>
        <lei>549300BDV45LJNXBZC55</lei>
        <title>Fidelity Cash Central Fund</title>
        <cusip>31635A105</cusip>
        <identifiers>
          <isin value="US31635A1051"/>
        </identifiers>
        <balance>48316605.36500000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>48326268.69000000</valUSD>
        <pctVal>0.591985938017</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>STIV</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>UNITED STATES TREASURY BOND 2.25% 08/15/2049</title>
        <cusip>912810SJ8</cusip>
        <identifiers>
          <isin value="US912810SJ88"/>
        </identifiers>
        <balance>222215000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>252587277.31000000</valUSD>
        <pctVal>3.094137419317</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2049-08-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.02250000</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>UNITED STATES TREASURY BOND 3.125% 02/15/2043</title>
        <cusip>912810QZ4</cusip>
        <identifiers>
          <isin value="US912810QZ49"/>
        </identifiers>
        <balance>118322000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>152390416.78000000</valUSD>
        <pctVal>1.866748380701</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2043-02-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.03125000</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>UNITED STATES TREASURY BOND 2.75% 08/15/2047</title>
        <cusip>912810RY6</cusip>
        <identifiers>
          <isin value="US912810RY64"/>
        </identifiers>
        <balance>150181000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>185825521.72000000</valUSD>
        <pctVal>2.276320907138</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2047-08-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.02750000</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>USTB 2.25% 8/15/46</title>
        <cusip>912810RT7</cusip>
        <identifiers>
          <isin value="US912810RT79"/>
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        <balance>178864000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>200711958.57000000</valUSD>
        <pctVal>2.458676415256</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2046-08-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.02250000</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>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTB 2.750% 11/15/42</title>
        <cusip>912810QY7</cusip>
        <identifiers>
          <isin value="US912810QY73"/>
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        <balance>126902000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>154180973.21000000</valUSD>
        <pctVal>1.888682294834</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2042-11-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.02750000</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>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>UNITED STATES TREASURY BOND 3% 11/15/2045</title>
        <cusip>912810RP5</cusip>
        <identifiers>
          <isin value="US912810RP57"/>
        </identifiers>
        <balance>183523000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>234414788.62000000</valUSD>
        <pctVal>2.871528514163</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2045-11-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.03000000</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>UNITED STATES TREASURY BOND 3.75% 11/15/2043</title>
        <cusip>912810RD2</cusip>
        <identifiers>
          <isin value="US912810RD28"/>
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        <balance>177879000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>252087895.31000000</valUSD>
        <pctVal>3.088020101971</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2043-11-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.03750000</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>USTB 3.5% 2/15/39</title>
        <cusip>912810QA9</cusip>
        <identifiers>
          <isin value="US912810QA97"/>
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        <balance>56415000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>75721711.38000000</valUSD>
        <pctVal>0.927573958319</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2039-02-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.03500000</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>USTB 2.5% 02/15/2046</title>
        <cusip>912810RQ3</cusip>
        <identifiers>
          <isin value="US912810RQ31"/>
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        <balance>173490000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>203457687.59000000</valUSD>
        <pctVal>2.492310979097</pctVal>
        <payoffProfile>Long</payoffProfile>
        <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>0.02500000</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>USTB 3.125% 2/15/42</title>
        <cusip>912810QU5</cusip>
        <identifiers>
          <isin value="US912810QU51"/>
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        <balance>65881000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>84798626.38000000</valUSD>
        <pctVal>1.038764128515</pctVal>
        <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>
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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>USTB 4.375% 5/15/41</title>
        <cusip>912810QQ4</cusip>
        <identifiers>
          <isin value="US912810QQ40"/>
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        <balance>51585000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>78058582.95000000</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>0.04375000</annualizedRt>
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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>USTB 4.75% 2/15/41</title>
        <cusip>912810QN1</cusip>
        <identifiers>
          <isin value="US912810QN19"/>
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        <balance>66970000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>105815215.85000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2041-02-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.04750000</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>UNITED STATES TREASURY BOND 3% 08/15/2048</title>
        <cusip>912810SD1</cusip>
        <identifiers>
          <isin value="US912810SD19"/>
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        <balance>189953000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>247458303.68000000</valUSD>
        <pctVal>3.031308644248</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2048-08-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.03000000</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>USTB 4.375% 2/15/38</title>
        <cusip>912810PW2</cusip>
        <identifiers>
          <isin value="US912810PW27"/>
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        <balance>38776000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>57227923.32000000</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>2038-02-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.04375000</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>UNITED STATES TREASURY BOND 3.375% 11/15/2048</title>
        <cusip>912810SE9</cusip>
        <identifiers>
          <isin value="US912810SE91"/>
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        <balance>217519000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>302980174.77000000</valUSD>
        <pctVal>3.711439095630</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2048-11-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.03375000</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>UNITED STATES TREASURY BOND 2.875% 11/15/2046</title>
        <cusip>912810RU4</cusip>
        <identifiers>
          <isin value="US912810RU43"/>
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        <balance>138172000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>174085926.00000000</valUSD>
        <pctVal>2.132513496125</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2046-11-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.02875000</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>USTB 4.375% 5/15/40</title>
        <cusip>912810QH4</cusip>
        <identifiers>
          <isin value="US912810QH41"/>
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        <balance>74926000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>112643631.52000000</valUSD>
        <pctVal>1.379859187864</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2040-05-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.04375000</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>UNITED STATES TREASURY BOND 2.875% 05/15/2049</title>
        <cusip>912810SH2</cusip>
        <identifiers>
          <isin value="US912810SH23"/>
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        <balance>195106000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>249971941.66000000</valUSD>
        <pctVal>3.062100144974</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2049-05-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.02875000</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>USTB 4.5% 5/15/38</title>
        <cusip>912810PX0</cusip>
        <identifiers>
          <isin value="US912810PX00"/>
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        <balance>15609000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>23397037.34000000</valUSD>
        <pctVal>0.286608452752</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2038-05-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.04500000</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>USTB 5.375% 2/15/31</title>
        <cusip>912810FP8</cusip>
        <identifiers>
          <isin value="US912810FP85"/>
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        <balance>55749000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>79862620.06000000</valUSD>
        <pctVal>0.978299159656</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2031-02-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.05375000</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>USTB 4.25% 5/15/39</title>
        <cusip>912810QB7</cusip>
        <identifiers>
          <isin value="US912810QB70"/>
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        <balance>47740000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>70218826.80000000</valUSD>
        <pctVal>0.860164858088</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2039-05-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.04250000</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>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTB 4.5% 8/15/39</title>
        <cusip>912810QC5</cusip>
        <identifiers>
          <isin value="US912810QC53"/>
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        <balance>51449000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>78037682.68000000</valUSD>
        <pctVal>0.955944086608</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2039-08-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.04500000</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>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>UNITED STATES TREASURY BOND 2.375% 11/15/2049</title>
        <cusip>912810SK5</cusip>
        <identifiers>
          <isin value="US912810SK51"/>
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        <balance>220144000.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>256975123.68000000</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>2049-11-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.02375000</annualizedRt>
          <isDefault>N</isDefault>
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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>USTB 3.625% 08/15/43</title>
        <cusip>912810RC4</cusip>
        <identifiers>
          <isin value="US912810RC45"/>
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        <balance>140236000.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>194938995.24000000</valUSD>
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        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2043-08-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.03625000</annualizedRt>
          <isDefault>N</isDefault>
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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>USTB 4.375% 11/15/39</title>
        <cusip>912810QD3</cusip>
        <identifiers>
          <isin value="US912810QD37"/>
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        <balance>54655000.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>81833052.46000000</valUSD>
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        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2039-11-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.04375000</annualizedRt>
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          <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>USTB 4.5% 2/15/36</title>
        <cusip>912810FT0</cusip>
        <identifiers>
          <isin value="US912810FT08"/>
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        <balance>65226000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>94985362.50000000</valUSD>
        <pctVal>1.163549358180</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2036-02-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.04500000</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>
      <invstOrSec>
        <name>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTB 4.25% 11/15/40</title>
        <cusip>912810QL5</cusip>
        <identifiers>
          <isin value="US912810QL52"/>
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        <balance>61567000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>91429399.81000000</valUSD>
        <pctVal>1.119989613849</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2040-11-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.04250000</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>USTB 4.75% 2/15/37</title>
        <cusip>912810PT9</cusip>
        <identifiers>
          <isin value="US912810PT97"/>
        </identifiers>
        <balance>20223000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>30658383.88000000</valUSD>
        <pctVal>0.375558317066</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2037-02-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.04750000</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>UNITED STATES TREASURY BOND 3.125% 05/15/2048</title>
        <cusip>912810SC3</cusip>
        <identifiers>
          <isin value="US912810SC36"/>
        </identifiers>
        <balance>175470000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>233094074.27000000</valUSD>
        <pctVal>2.855350059990</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2048-05-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.03125000</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>USTB 3.125% 11/15/41</title>
        <cusip>912810QT8</cusip>
        <identifiers>
          <isin value="US912810QT88"/>
        </identifiers>
        <balance>59163000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>76042943.44000000</valUSD>
        <pctVal>0.931508978910</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2041-11-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.03125000</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>USTB 6.25% 5/15/30</title>
        <cusip>912810FM5</cusip>
        <identifiers>
          <isin value="US912810FM54"/>
        </identifiers>
        <balance>34374000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>51297824.06000000</valUSD>
        <pctVal>0.628386823928</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2030-05-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.06250000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <loanByFundCondition isLoanByFund="Y" loanVal="50739687.50000000"/>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTB 2.75% 8/15/42</title>
        <cusip>912810QX9</cusip>
        <identifiers>
          <isin value="US912810QX90"/>
        </identifiers>
        <balance>93280000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>113316981.48000000</valUSD>
        <pctVal>1.388107573648</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2042-08-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.02750000</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>UNITED STATES TREASURY BOND 3% 05/15/2047</title>
        <cusip>912810RX8</cusip>
        <identifiers>
          <isin value="US912810RX81"/>
        </identifiers>
        <balance>135724000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>175227106.75000000</valUSD>
        <pctVal>2.146492704018</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2047-05-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.03000000</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>UNITED STATES TREASURY BOND 3% 02/15/2049</title>
        <cusip>912810SF6</cusip>
        <identifiers>
          <isin value="US912810SF66"/>
        </identifiers>
        <balance>218243000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>285523224.84000000</valUSD>
        <pctVal>3.497595379585</pctVal>
        <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>0.03000000</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>USTB 3% 5/15/42</title>
        <cusip>912810QW1</cusip>
        <identifiers>
          <isin value="US912810QW18"/>
        </identifiers>
        <balance>78445000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>99082776.56000000</valUSD>
        <pctVal>1.213741760191</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2042-05-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.03000000</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>USTB 3.875% 8/15/40</title>
        <cusip>912810QK7</cusip>
        <identifiers>
          <isin value="US912810QK79"/>
        </identifiers>
        <balance>83393000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>118062988.45000000</valUSD>
        <pctVal>1.446245093141</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2040-08-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.03875000</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>UNITED STATES TREASURY BOND 3.375% 05/15/2044</title>
        <cusip>912810RG5</cusip>
        <identifiers>
          <isin value="US912810RG58"/>
        </identifiers>
        <balance>190666000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>256326603.75000000</valUSD>
        <pctVal>3.139943328404</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2044-05-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.03375000</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>UNITED STATES TREASURY BOND 3% 02/15/2047</title>
        <cusip>912810RV2</cusip>
        <identifiers>
          <isin value="US912810RV26"/>
        </identifiers>
        <balance>141811000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>182980505.94000000</valUSD>
        <pctVal>2.241470102786</pctVal>
        <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>0.03000000</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>UNITED STATES TREASURY BOND 2.875% 08/15/2045</title>
        <cusip>912810RN0</cusip>
        <identifiers>
          <isin value="US912810RN00"/>
        </identifiers>
        <balance>166787000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>208275266.25000000</valUSD>
        <pctVal>2.551325235718</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2045-08-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.02875000</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>UNITED STATES TREASURY BOND 3.0% 05/15/2045</title>
        <cusip>912810RM2</cusip>
        <identifiers>
          <isin value="US912810RM27"/>
        </identifiers>
        <balance>171440000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>218351608.95000000</valUSD>
        <pctVal>2.674758170781</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2045-05-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.03000000</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>USTB 3% 11/15/2044</title>
        <cusip>912810RJ9</cusip>
        <identifiers>
          <isin value="US912810RJ97"/>
        </identifiers>
        <balance>166117000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>211007524.50000000</valUSD>
        <pctVal>2.584794785652</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2044-11-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.03000000</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="SEC guidance and fund policy require that securities on loan be fully collateralized. The response to Item C.12 (a) may not reflect the full amount of cash collateral invested, due to the timing of the maturity and same-day reinvestment of cash collateral." noteItem="C.12.a"/>
    </explntrNotes>
    <signature>
      <ncom:dateSigned>2020-03-30</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>
