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        <name>FIDELITY TREASURY PORTFOLIO FISXX</name>
        <lei>N/A</lei>
        <title>FIDELITY TREASURY PORTFOLIO FISXX</title>
        <cusip>316175504</cusip>
        <identifiers>
          <isin value="US3161755042"/>
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        <balance>1819932.64000000</balance>
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        <curCd>USD</curCd>
        <valUSD>1819932.64000000</valUSD>
        <pctVal>1.977857169869</pctVal>
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        <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>
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      </invstOrSec>
      <invstOrSec>
        <name>Plains All American Pipeline, L.P.</name>
        <lei>5521FA2ITF25TVH63740</lei>
        <title>Plains All American Pipeline, L.P.</title>
        <cusip>726503105</cusip>
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          <isin value="US7265031051"/>
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        <balance>357580.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>3468526.00000000</valUSD>
        <pctVal>3.769507105482</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>Enterprise Products Partners L.P.</name>
        <lei>K4CDIF4M54DJZ6TB4Q48</lei>
        <title>Enterprise Products Partners L.P.</title>
        <cusip>293792107</cusip>
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        <pctVal>17.34301626699</pctVal>
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        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Hess Midstream L.P.</name>
        <lei>N/A</lei>
        <title>Hess Midstream L.P.</title>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Targa Resources Corp.</name>
        <lei>5493003QENHHS261UR94</lei>
        <title>Targa Resources Corp.</title>
        <cusip>87612G101</cusip>
        <identifiers>
          <isin value="US87612G1013"/>
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        <balance>555176.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>9932098.64000000</valUSD>
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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>
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      </invstOrSec>
      <invstOrSec>
        <name>Williams Cos., Inc. (The)</name>
        <lei>D71FAKCBLFS2O0RBPG08</lei>
        <title>Williams Cos., Inc. (The)</title>
        <cusip>969457100</cusip>
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          <isin value="US9694571004"/>
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        <balance>579550.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>11840206.50000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>Magellan Midstream Partners, L.P.</name>
        <lei>MZF5TI8NFVZZNUSKDL39</lei>
        <title>Magellan Midstream Partners, L.P.</title>
        <cusip>559080106</cusip>
        <identifiers>
          <isin value="US5590801065"/>
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        <balance>338943.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>15367675.62000000</valUSD>
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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>Phillips 66 Partners L.P.</name>
        <lei>549300TL5L4IG0H4FX64</lei>
        <title>Phillips 66 Partners L.P.</title>
        <cusip>718549207</cusip>
        <identifiers>
          <isin value="US7185492078"/>
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        <balance>64059.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2862156.12000000</valUSD>
        <pctVal>3.110519520781</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>
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      </invstOrSec>
      <invstOrSec>
        <name>Western Midstream Partners, L.P.</name>
        <lei>N/A</lei>
        <title>Western Midstream Partners, L.P.</title>
        <cusip>958669103</cusip>
        <identifiers>
          <isin value="US9586691035"/>
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        <balance>252622.10000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2359490.41000000</valUSD>
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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>
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      </invstOrSec>
      <invstOrSec>
        <name>EQM Midstream Partners, L.P.</name>
        <lei>549300NELT611CL6XM83</lei>
        <title>EQM Midstream Partners, L.P.</title>
        <cusip>26885B100</cusip>
        <identifiers>
          <isin value="US26885B1008"/>
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        <balance>235431.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>4626219.15000000</valUSD>
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        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Plains GP Holdings LP</name>
        <lei>549300O56BSKRD8FAM12</lei>
        <title>Plains GP Holdings LP,Class A</title>
        <cusip>72651A207</cusip>
        <identifiers>
          <isin value="US72651A2078"/>
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        <balance>252125.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2518728.75000000</valUSD>
        <pctVal>2.737291264331</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>SUNOCO LP SUN</name>
        <lei>54930001NJU8E40NQ561</lei>
        <title>SUNOCO LP SUN</title>
        <cusip>86765K109</cusip>
        <identifiers>
          <isin value="US86765K1097"/>
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        <balance>23391.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>603487.80000000</valUSD>
        <pctVal>0.655855412406</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>USA Compression Partners L.P.</name>
        <lei>N/A</lei>
        <title>USA Compression Partners L.P.</title>
        <cusip>90290N109</cusip>
        <identifiers>
          <isin value="US90290N1090"/>
        </identifiers>
        <balance>194589.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2344797.45000000</valUSD>
        <pctVal>2.548267087717</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>
    <signature>
      <ncom:dateSigned>2020-07-28</ncom:dateSigned>
      <ncom:nameOfApplicant>AIM Investment Funds (Invesco Investment Funds)</ncom:nameOfApplicant>
      <ncom:signature>Sheri Morris</ncom:signature>
      <ncom:signerName>Sheri Morris</ncom:signerName>
      <ncom:title>President</ncom:title>
    </signature>
  </formData>
</edgarSubmission>
