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          <annualizedRt>0.00750000</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% 1/15/25</title>
        <cusip>912810FR4</cusip>
        <identifiers>
          <isin value="US912810FR42"/>
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        <balance>221158000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>346265915.69000000</valUSD>
        <pctVal>2.830202051679</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2025-01-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.02375000</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>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.625% 07/15/21</title>
        <cusip>912828QV5</cusip>
        <identifiers>
          <isin value="US912828QV50"/>
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        <balance>383581000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>444490621.00000000</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>2021-07-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.00625000</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% 07/15/2025</title>
        <cusip>912828XL9</cusip>
        <identifiers>
          <isin value="US912828XL95"/>
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        <balance>421610000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>487605486.03000000</valUSD>
        <pctVal>3.985440046048</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2025-07-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.00375000</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 0.625% 04/15/2023</title>
        <cusip>9128284H0</cusip>
        <identifiers>
          <isin value="US9128284H06"/>
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        <balance>468087000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>503050337.65000000</valUSD>
        <pctVal>4.111678433258</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2023-04-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.00625000</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 3.625 4/15/28</title>
        <cusip>912810FD5</cusip>
        <identifiers>
          <isin value="US912810FD55"/>
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        <balance>102158000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>218171930.74000000</valUSD>
        <pctVal>1.783226757299</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2028-04-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.03625000</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>354198000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>405752937.82000000</valUSD>
        <pctVal>3.316418812995</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>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII .125% 1/15/22</title>
        <cusip>912828SA9</cusip>
        <identifiers>
          <isin value="US912828SA95"/>
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        <balance>435250000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>500337963.99000000</valUSD>
        <pctVal>4.089508866028</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2022-01-15</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>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>11035.78800000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>11038.00000000</valUSD>
        <pctVal>0.000090219016</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>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.5% 01/15/2028</title>
        <cusip>9128283R9</cusip>
        <identifiers>
          <isin value="US9128283R96"/>
        </identifiers>
        <balance>416966000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>475240452.23000000</valUSD>
        <pctVal>3.884374528351</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>
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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>USTN TII 2.375% 1/15/27</title>
        <cusip>912810PS1</cusip>
        <identifiers>
          <isin value="US912810PS15"/>
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        <balance>136673000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>211285973.27000000</valUSD>
        <pctVal>1.726944431848</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>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.375% 07/15/2027</title>
        <cusip>9128282L3</cusip>
        <identifiers>
          <isin value="US9128282L36"/>
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        <balance>373978000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>426718529.43000000</valUSD>
        <pctVal>3.487780930086</pctVal>
        <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>
          <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>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.625% 01/15/2024</title>
        <cusip>912828B25</cusip>
        <identifiers>
          <isin value="US912828B253"/>
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        <balance>473906000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>549165055.58000000</valUSD>
        <pctVal>4.488596759274</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2024-01-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.00625000</annualizedRt>
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          <isPaidKind>N</isPaidKind>
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          <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 .125 1/15/23</title>
        <cusip>912828UH1</cusip>
        <identifiers>
          <isin value="US912828UH11"/>
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        <balance>496799000.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>566011910.93000000</valUSD>
        <pctVal>4.626294414213</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2023-01-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.00125000</annualizedRt>
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          <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 .375% 07/15/2023</title>
        <cusip>912828VM9</cusip>
        <identifiers>
          <isin value="US912828VM96"/>
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        <balance>475888000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>546689640.59000000</valUSD>
        <pctVal>4.468363972084</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2023-07-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.00375000</annualizedRt>
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      <invstOrSec>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.125% 07/15/2026</title>
        <cusip>912828S50</cusip>
        <identifiers>
          <isin value="US912828S505"/>
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        <balance>364743000.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>414953264.60000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
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          <maturityDt>2026-07-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.00125000</annualizedRt>
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          <isCashCollateral>N</isCashCollateral>
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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>125678000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>277347257.67000000</valUSD>
        <pctVal>2.266895880067</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>0.03875000</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>
        <name>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.125% 07/15/2024</title>
        <cusip>912828WU0</cusip>
        <identifiers>
          <isin value="US912828WU04"/>
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        <balance>480794000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>543061524.20000000</valUSD>
        <pctVal>4.438709588024</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2024-07-15</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>
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      </invstOrSec>
      <invstOrSec>
        <name>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 2% 1/15/26</title>
        <cusip>912810FS2</cusip>
        <identifiers>
          <isin value="US912810FS25"/>
        </identifiers>
        <balance>160690000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>241595815.17000000</valUSD>
        <pctVal>1.974681713644</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2026-01-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.02000000</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 0.625% 01/15/2026</title>
        <cusip>912828N71</cusip>
        <identifiers>
          <isin value="US912828N712"/>
        </identifiers>
        <balance>388685000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>454812766.14000000</valUSD>
        <pctVal>3.717408978283</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2026-01-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.00625000</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% 04/15/2022</title>
        <cusip>912828X39</cusip>
        <identifiers>
          <isin value="US912828X398"/>
        </identifiers>
        <balance>472851000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>506421402.40000000</valUSD>
        <pctVal>4.139231807528</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2022-04-15</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 0.875% 01/15/2029</title>
        <cusip>9128285W6</cusip>
        <identifiers>
          <isin value="US9128285W63"/>
        </identifiers>
        <balance>325428000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>376948479.42000000</valUSD>
        <pctVal>3.080985772758</pctVal>
        <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>0.00875000</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 0.25% 07/15/2029</title>
        <cusip>9128287D6</cusip>
        <identifiers>
          <isin value="US9128287D64"/>
        </identifiers>
        <balance>351932000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>386392724.28000000</valUSD>
        <pctVal>3.158178242384</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2029-07-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.00250000</annualizedRt>
          <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 0.25% 01/15/2025</title>
        <cusip>912828H45</cusip>
        <identifiers>
          <isin value="US912828H458"/>
        </identifiers>
        <balance>455264000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>519277836.09000000</valUSD>
        <pctVal>4.244313778805</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2025-01-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.00250000</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% 04/15/2024</title>
        <cusip>9128286N5</cusip>
        <identifiers>
          <isin value="US9128286N55"/>
        </identifiers>
        <balance>336427000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>359955938.34000000</valUSD>
        <pctVal>2.942097356519</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2024-04-15</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>UNITED STATES TREASURY BOND</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 2.5% 1/15/29</title>
        <cusip>912810PZ5</cusip>
        <identifiers>
          <isin value="US912810PZ57"/>
        </identifiers>
        <balance>132609000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>203231975.60000000</valUSD>
        <pctVal>1.661115137953</pctVal>
        <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>
          <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 1.75% 1/15/28</title>
        <cusip>912810PV4</cusip>
        <identifiers>
          <isin value="US912810PV44"/>
        </identifiers>
        <balance>145191000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>212224109.23000000</valUSD>
        <pctVal>1.734612279588</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>0.01750000</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>UST NOTES</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>USTN TII 0.125% 10/15/2024</title>
        <cusip>912828YL8</cusip>
        <identifiers>
          <isin value="US912828YL86"/>
        </identifiers>
        <balance>398217000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>417411758.27000000</valUSD>
        <pctVal>3.411712100790</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2024-10-15</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>
    </invstOrSecs>
    <signature>
      <ncom:dateSigned>2020-07-30</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>
