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          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>iShares MBS ETF</name>
        <lei>549300M0TH0IE2E6RP07</lei>
        <title>iShares MBS ETF</title>
        <cusip>464288588</cusip>
        <identifiers>
          <isin value="US4642885887"/>
        </identifiers>
        <balance>78310.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>8524826.60000000</valUSD>
        <pctVal>29.88738695409</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetConditional assetCat="OTHER" desc="Exchange traded fund"/>
        <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>iShares 7-10 Year Treasury Bond ETF</name>
        <lei>549300XS1PPZG92M8L16</lei>
        <title>iShares 7-10 Year Treasury Bond ETF</title>
        <cusip>464287440</cusip>
        <identifiers>
          <isin value="US4642874402"/>
        </identifiers>
        <balance>4673.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>532908.92000000</valUSD>
        <pctVal>1.868337721183</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetConditional assetCat="OTHER" desc="Exchange traded fund"/>
        <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>iShares 20+ Year Treasury Bond ETF</name>
        <lei>549300WWURKS1JGBZU59</lei>
        <title>iShares 20+ Year Treasury Bond ETF</title>
        <cusip>464287432</cusip>
        <identifiers>
          <isin value="US4642874329"/>
        </identifiers>
        <balance>10690.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1559671.00000000</valUSD>
        <pctVal>5.468086670300</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetConditional assetCat="OTHER" desc="Exchange traded fund"/>
        <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 of America</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>U.S. Treasury Bills</title>
        <cusip>912796SZ3</cusip>
        <identifiers>
          <isin value="US912796SZ37"/>
        </identifiers>
        <balance>165000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>163880.96000000</valUSD>
        <pctVal>0.574554052035</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>STIV</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2020-07-16</maturityDt>
          <couponKind>None</couponKind>
          <annualizedRt>0.00000000</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>iShares 3-7 Year Treasury Bond ETF</name>
        <lei>549300BUGBHWMFPSNL42</lei>
        <title>iShares 3-7 Year Treasury Bond ETF</title>
        <cusip>464288661</cusip>
        <identifiers>
          <isin value="US4642886612"/>
        </identifiers>
        <balance>8944.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1145368.64000000</valUSD>
        <pctVal>4.015574433944</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetConditional assetCat="OTHER" desc="Exchange traded fund"/>
        <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>N/A</name>
        <lei>N/A</lei>
        <title>U.S. Treasury 10 Year Note</title>
        <cusip>N/A</cusip>
        <identifiers>
          <other otherDesc="Inhouse Sedol" value="TYH0COM"/>
          <other otherDesc="Future Ticker" value="TYH0 Comdty"/>
        </identifiers>
        <balance>7.00000000</balance>
        <units>NC</units>
        <curCd>USD</curCd>
        <valUSD>15395.62000000</valUSD>
        <pctVal>0.053975860616</pctVal>
        <payoffProfile>N/A</payoffProfile>
        <assetCat>DIR</assetCat>
        <issuerConditional desc="Future" issuerCat="OTHER"/>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <derivativeInfo>
          <futrDeriv derivCat="FUT">
            <counterparties>
              <counterpartyName>CME Clearing House</counterpartyName>
              <counterpartyLei>LCZ7XYGSLJUHFXXNXD88</counterpartyLei>
            </counterparties>
            <payOffProf>Long</payOffProf>
            <descRefInstrmnt>
              <otherRefInst>
                <issuerName>United States of America</issuerName>
                <issueTitle>U.S. Treasury 10 Year Note</issueTitle>
                <identifiers>
                  <cusip value="912828Y79"/>
                </identifiers>
              </otherRefInst>
            </descRefInstrmnt>
            <expDate>2020-03-20</expDate>
            <notionalAmt>921593.75000000</notionalAmt>
            <curCd>USD</curCd>
            <unrealizedAppr>15395.62000000</unrealizedAppr>
          </futrDeriv>
        </derivativeInfo>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>N/A</name>
        <lei>N/A</lei>
        <title>U.S. Treasury 2 Year Note</title>
        <cusip>N/A</cusip>
        <identifiers>
          <other otherDesc="Inhouse Sedol" value="TUH0COM"/>
          <other otherDesc="Future Ticker" value="TUH0 Comdty"/>
        </identifiers>
        <balance>10.00000000</balance>
        <units>NC</units>
        <curCd>USD</curCd>
        <valUSD>8321.87000000</valUSD>
        <pctVal>0.029175836711</pctVal>
        <payoffProfile>N/A</payoffProfile>
        <assetCat>DIR</assetCat>
        <issuerConditional desc="Future" issuerCat="OTHER"/>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <derivativeInfo>
          <futrDeriv derivCat="FUT">
            <counterparties>
              <counterpartyName>CME Clearing House</counterpartyName>
              <counterpartyLei>LCZ7XYGSLJUHFXXNXD88</counterpartyLei>
            </counterparties>
            <payOffProf>Long</payOffProf>
            <descRefInstrmnt>
              <otherRefInst>
                <issuerName>United States of America</issuerName>
                <issueTitle>U.S. Treasury 2 Year Note</issueTitle>
                <identifiers>
                  <cusip value="912828XY1"/>
                </identifiers>
              </otherRefInst>
            </descRefInstrmnt>
            <expDate>2020-03-31</expDate>
            <notionalAmt>2163593.75000000</notionalAmt>
            <curCd>USD</curCd>
            <unrealizedAppr>8321.87000000</unrealizedAppr>
          </futrDeriv>
        </derivativeInfo>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
    </invstOrSecs>
    <signature>
      <ncom:dateSigned>2020-02-28</ncom:dateSigned>
      <ncom:nameOfApplicant>FlexShares Trust</ncom:nameOfApplicant>
      <ncom:signature>Randal Rein</ncom:signature>
      <ncom:signerName>Randal Rein</ncom:signerName>
      <ncom:title>Treasurer and PFO</ncom:title>
    </signature>
  </formData>
  <documents>XXXX</documents>
</edgarSubmission>
