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      <invstOrSec>
        <name>PBF Logistics L.P.</name>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>Williams Cos., Inc. (The)</name>
        <lei>D71FAKCBLFS2O0RBPG08</lei>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>Martin Midstream Partners LP</name>
        <lei>N/A</lei>
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      <invstOrSec>
        <name>MPLX L.P.</name>
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      <invstOrSec>
        <name>Enterprise Products Partners L.P.</name>
        <lei>K4CDIF4M54DJZ6TB4Q48</lei>
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      <invstOrSec>
        <name>Magellan Midstream Partners L.P.</name>
        <lei>MZF5TI8NFVZZNUSKDL39</lei>
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      <invstOrSec>
        <name>Equitrans Midstream Corp.</name>
        <lei>549300RH0NLJNZ5SXU64</lei>
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      <invstOrSec>
        <name>Arko Corp.</name>
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        <title>Arko Corp.</title>
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      <invstOrSec>
        <name>Western Midstream Partners L.P.</name>
        <lei>N/A</lei>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>Energy Transfer L.P.</name>
        <lei>MTLVN9N7JE8MIBIJ1H73</lei>
        <title>Energy Transfer L.P.</title>
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        <fairValLevel>1</fairValLevel>
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        <name>Suburban Propane Partners L.P.</name>
        <lei>JJAX4X60DE65EYFOTY73</lei>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>EnLink Midstream LLC</name>
        <lei>54930000GY1H533OBE23</lei>
        <title>EnLink Midstream LLC</title>
        <cusip>29336T100</cusip>
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        <fairValLevel>1</fairValLevel>
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        <name>Antero Midstream Corp.</name>
        <lei>N/A</lei>
        <title>Antero Midstream Corp.</title>
        <cusip>03676B102</cusip>
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        <name>Fidelity Treasury Portfolio</name>
        <lei>N/A</lei>
        <title>Fidelity Treasury Portfolio</title>
        <cusip>316175504</cusip>
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        <name>Delek Logistics Partners L.P.</name>
        <lei>549300UVYITDIU51P724</lei>
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        <name>Chevron Corp.</name>
        <lei>LJOF0JWZSCIUPEC3LQ45</lei>
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        <name>TC Energy Corp.</name>
        <lei>549300UGKOFV2IWJJG27</lei>
        <title>TC Energy Corp.</title>
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        <name>NGL Energy Partners L.P.</name>
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        <name>Plains All American Pipeline L.P.</name>
        <lei>5521FA2ITF25TVH63740</lei>
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        <name>Global Partners L.P.</name>
        <lei>549300PCHWTW9P4DU444</lei>
        <title>Global Partners L.P.</title>
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        <name>DCP Midstream L.P.</name>
        <lei>52990024YYS3MLGW0E91</lei>
        <title>DCP Midstream L.P.</title>
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        <name>USA Compression Partners L.P.</name>
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        <title>USA Compression Partners L.P.</title>
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        <name>Global Partners L.P.</name>
        <lei>549300PCHWTW9P4DU444</lei>
        <title>Global Partners L.P.</title>
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        <name>Westlake Chemical Partners L.P.</name>
        <lei>5493001UJXZP4TJUQM76</lei>
        <title>Westlake Chemical Partners L.P.</title>
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        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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        <name>Hess Midstream L.P.</name>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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        <name>Sunoco L.P.</name>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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        <name>CrossAmerica Partners LP</name>
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        <title>CrossAmerica Partners LP</title>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>Targa Resources Corp.</name>
        <lei>5493003QENHHS261UR94</lei>
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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>
      <invstOrSec>
        <name>Archrock, Inc.</name>
        <lei>549300K3RIHMHDVFTL28</lei>
        <title>Archrock, Inc.</title>
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          <isin value="US03957W1062"/>
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        <balance>6979561.00000000</balance>
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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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          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>Phillips 66 Partners L.P.</name>
        <lei>549300TL5L4IG0H4FX64</lei>
        <title>Phillips 66 Partners L.P.</title>
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        <balance>1000.00000000</balance>
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        <valUSD>42170.00000000</valUSD>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Summit Midstream Partners L.P.</name>
        <lei>N/A</lei>
        <title>Summit Midstream Partners L.P.</title>
        <cusip>866142409</cusip>
        <identifiers>
          <isin value="US8661424098"/>
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        <balance>175441.53300000</balance>
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        <curCd>USD</curCd>
        <valUSD>2750923.24000000</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>Global Partners LP</name>
        <lei>549300PCHWTW9P4DU444</lei>
        <title>Global Partners LP</title>
        <cusip>37946R208</cusip>
        <identifiers>
          <isin value="US37946R2085"/>
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        <balance>574954.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>15060920.03000000</valUSD>
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        <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>NuStar Energy L.P.</name>
        <lei>5493003BMLTUIEG2LG44</lei>
        <title>NuStar Energy L.P.</title>
        <cusip>67058H102</cusip>
        <identifiers>
          <isin value="US67058H1023"/>
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        <balance>5069707.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>80912523.72000000</valUSD>
        <pctVal>4.388017863929</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>Crestwood Equity Partners L.P.</name>
        <lei>549300CUY0F1TYDLDL45</lei>
        <title>Crestwood Equity Partners L.P.</title>
        <cusip>226344208</cusip>
        <identifiers>
          <isin value="US2263442087"/>
        </identifiers>
        <balance>151000.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>4646270.00000000</valUSD>
        <pctVal>0.251974784907</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>2022-03-30</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>
  <documents>XXXX</documents>
</edgarSubmission>
