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          <cik>0001014913</cik>
          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
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        <classId>C000206680</classId>
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      <regFileNumber>811-07685</regFileNumber>
      <regCik>0001014913</regCik>
      <regLei>549300TMAADQMXZCXG08</regLei>
      <regStreet1>400 Skokie Blvd</regStreet1>
      <regStreet2>Suite 500</regStreet2>
      <regCity>Northbrook</regCity>
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      <regZipOrPostalCode>60062-2815</regZipOrPostalCode>
      <regPhone>847-509-9860</regPhone>
      <seriesName>Frontier MFG Global Sustainable Fund</seriesName>
      <seriesId>S000063792</seriesId>
      <seriesLei>549300FO6X8UM5G4OL63</seriesLei>
      <repPdEnd>2020-06-30</repPdEnd>
      <repPdDate>2019-12-31</repPdDate>
      <isFinalFiling>N</isFinalFiling>
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      <totLiabs>36138.450000000000</totLiabs>
      <netAssets>10919289.340000000000</netAssets>
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      <assetsInvested>0.000000000000</assetsInvested>
      <amtPayOneYrBanksBorr>0.000000000000</amtPayOneYrBanksBorr>
      <amtPayOneYrCtrldComp>0.000000000000</amtPayOneYrCtrldComp>
      <amtPayOneYrOthAffil>0.000000000000</amtPayOneYrOthAffil>
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      <standByCommit>0.000000000000</standByCommit>
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        <name>Lowe's Cos Inc</name>
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        <name>Mastercard Inc</name>
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        <name>Microsoft Corp</name>
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        <name>Oracle Corp</name>
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        <name>Starbucks Corp</name>
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        <name>U.S. Bank Money Market Deposit Account</name>
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        <name>Visa Inc</name>
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        <name>Yum! Brands Inc</name>
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        <name>Danone SA</name>
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        <name>Aena SME SA</name>
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        <name>Alphabet Inc</name>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Apple Inc</name>
        <lei>HWUPKR0MPOU8FGXBT394</lei>
        <title>Apple Inc</title>
        <cusip>037833100</cusip>
        <identifiers>
          <isin value="US0378331005"/>
          <ticker value="AAPL"/>
        </identifiers>
        <balance>468.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>137428.200000000000</valUSD>
        <pctVal>1.2585819069</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Booking Holdings Inc</name>
        <lei>FXM8FAOHMYDIPD38UZ17</lei>
        <title>Booking Holdings Inc</title>
        <cusip>09857L108</cusip>
        <identifiers>
          <isin value="US09857L1089"/>
          <ticker value="BKNG"/>
        </identifiers>
        <balance>123.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>252608.790000000000</valUSD>
        <pctVal>2.3134178620</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Capital One Financial Corp</name>
        <lei>ZUE8T73ROZOF6FLBAR73</lei>
        <title>Capital One Financial Corp</title>
        <cusip>14040H105</cusip>
        <identifiers>
          <isin value="US14040H1059"/>
          <ticker value="COF"/>
        </identifiers>
        <balance>2202.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>226607.820000000000</valUSD>
        <pctVal>2.0752982446</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Chipotle Mexican Grill Inc</name>
        <lei>N/A</lei>
        <title>Chipotle Mexican Grill Inc</title>
        <cusip>169656105</cusip>
        <identifiers>
          <isin value="US1696561059"/>
          <ticker value="CMG"/>
        </identifiers>
        <balance>413.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>345726.430000000000</valUSD>
        <pctVal>3.1661990010</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Facebook Inc</name>
        <lei>BQ4BKCS1HXDV9HN80Z93</lei>
        <title>Facebook Inc</title>
        <cusip>30303M102</cusip>
        <identifiers>
          <isin value="US30303M1027"/>
          <ticker value="FB"/>
        </identifiers>
        <balance>2948.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>605077.000000000000</valUSD>
        <pctVal>5.5413587932</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
    </invstOrSecs>
    <explntrNotes>
      <explntrNote note="The monthly total returns shown in B.5.a. do not reflect the deduction of sales loads or redemption fees.&#10;" noteItem="B.5.a"/>
    </explntrNotes>
    <signature>
      <ncom:dateSigned>2020-01-24</ncom:dateSigned>
      <ncom:nameOfApplicant>Frontier Funds, Inc.</ncom:nameOfApplicant>
      <ncom:signature>/s/ Elyce D. Dilworth</ncom:signature>
      <ncom:signerName>Frontier Funds, Inc.</ncom:signerName>
      <ncom:title>Treasurer and Assistant Secretary</ncom:title>
    </signature>
  </formData>
</edgarSubmission>
