{
  "page": "compare",
  "query": {
    "a": "SPMPX",
    "b": "AMLPX"
  },
  "retrieved_at": "2026-07-07T16:23:25+00:00",
  "disclaimer": "Informational only — not investment advice. FundWatcher presents publicly available data and makes no recommendation to buy or sell any security. Verify all figures against the source filing before relying on them.",
  "attribution": "Data sourced from U.S. SEC EDGAR filings (Forms N-PORT, N-CEN, and prospectus Risk/Return summaries). FundWatcher is not affiliated with the SEC.",
  "terms": {
    "notice": "Use of this data is subject to the FundWatcher Terms of Service. Information may be used only for personal, non-commercial research and may not be redistributed.",
    "url": "https://fundwatcher.app/terms/"
  },
  "fund_a": {
    "name": "Invesco SteelPath MLP Alpha Plus Fund",
    "ticker": "SPMPX",
    "slug": "SPMPX",
    "series_id": "S000064701",
    "html_url": "https://fundwatcher.app/funds/SPMPX/"
  },
  "fund_b": {
    "name": "MainGate MLP Fund",
    "ticker": "AMLPX",
    "slug": "AMLPX",
    "series_id": "S000031058",
    "html_url": "https://fundwatcher.app/funds/AMLPX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.6895831325681833411843885814",
    "coverage_b_by_a": "0.6895831325681833411843885814",
    "shared_count": 13,
    "as_of": {
      "a": "2026-02-28",
      "b": "2026-02-28"
    },
    "a_top": [
      {
        "name": "MPLX LP PARTNERSHIP SHARES",
        "value": "59920820.54",
        "weight": "0.12814835",
        "shared": true
      },
      {
        "name": "TARGA RESOURCES CORP",
        "value": "54346005.00",
        "weight": "0.11622589",
        "shared": true
      },
      {
        "name": "MLP",
        "value": "53332196.64",
        "weight": "0.11405773",
        "shared": true
      },
      {
        "name": "WESTERN MIDSTREAM PARTNERS LP MLP",
        "value": "45806726.92",
        "weight": "0.09796355",
        "shared": true
      },
      {
        "name": "Enterprise Products Partners LP",
        "value": "43972043.96",
        "weight": "0.09403985",
        "shared": true
      },
      {
        "name": "PLAINS ALL AMER PIPELINE LP PARTNERSHIP SHARES",
        "value": "30797251.68",
        "weight": "0.06586387",
        "shared": false
      },
      {
        "name": "HESS MIDSTREAM LP - CLASS A COMMON STOCK",
        "value": "24646006.36",
        "weight": "0.05270864",
        "shared": false
      },
      {
        "name": "SUNOCO LP PARTNERSHIP SHARES",
        "value": "22676643.31",
        "weight": "0.04849691",
        "shared": false
      },
      {
        "name": "WILLIAMS COS INC",
        "value": "17013893.44",
        "weight": "0.03638639",
        "shared": true
      },
      {
        "name": "ONEOK INC",
        "value": "16813463.59",
        "weight": "0.03595775",
        "shared": true
      },
      {
        "name": "CHENIERE ENERGY INC",
        "value": "16190643.59",
        "weight": "0.03462577",
        "shared": true
      },
      {
        "name": "TC ENERGY CORP",
        "value": "11350877.06",
        "weight": "0.02427530",
        "shared": false
      },
      {
        "name": "GENESIS ENERGY L.P. PARTNERSHIP SHARES",
        "value": "11291112.00",
        "weight": "0.02414749",
        "shared": true
      },
      {
        "name": "KINDER MORGAN INC",
        "value": "11141191.44",
        "weight": "0.02382687",
        "shared": true
      },
      {
        "name": "SunocoCorp LLC COM SHS LLC",
        "value": "11042817.65",
        "weight": "0.02361648",
        "shared": false
      },
      {
        "name": "Plains GP Holdings LP LTD PARTNER INT CL A NEW IN",
        "value": "9008156.08",
        "weight": "0.01926510",
        "shared": true
      },
      {
        "name": "KODIAK GAS SERVICES INC",
        "value": "8485907.85",
        "weight": "0.01814820",
        "shared": false
      },
      {
        "name": "ENBRIDGE INC",
        "value": "7866686.18",
        "weight": "0.01682392",
        "shared": true
      },
      {
        "name": "ARCHROCK INC",
        "value": "5145885.16",
        "weight": "0.01100513",
        "shared": false
      },
      {
        "name": "KINETIK HOLDINGS INC",
        "value": "4214739.48",
        "weight": "0.00901376",
        "shared": true
      },
      {
        "name": "Invesco Treasury Portfolio, Institutional Class",
        "value": "1642166.59",
        "weight": "0.00351198",
        "shared": false
      },
      {
        "name": "Invesco Government & Agency Portfolio, Institutional Class",
        "value": "884243.74",
        "weight": "0.00189107",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "TARGA RESOURCES CORP",
        "value": "147375000.00",
        "weight": "0.15785929",
        "shared": true
      },
      {
        "name": "MPLX LP PARTNERSHIP SHARES",
        "value": "114933000.00",
        "weight": "0.12310936",
        "shared": true
      },
      {
        "name": "MLP",
        "value": "109272000.00",
        "weight": "0.11704564",
        "shared": true
      },
      {
        "name": "Plains GP Holdings LP LTD PARTNER INT CL A NEW IN",
        "value": "95073720.00",
        "weight": "0.10183729",
        "shared": true
      },
      {
        "name": "WESTERN MIDSTREAM PARTNERS LP MLP",
        "value": "86299250.00",
        "weight": "0.09243860",
        "shared": true
      },
      {
        "name": "ONEOK INC",
        "value": "82770000.00",
        "weight": "0.08865828",
        "shared": true
      },
      {
        "name": "WILLIAMS COS INC",
        "value": "82192000.00",
        "weight": "0.08803916",
        "shared": true
      },
      {
        "name": "Enterprise Products Partners LP",
        "value": "65052000.00",
        "weight": "0.06967982",
        "shared": true
      },
      {
        "name": "CHENIERE ENERGY INC",
        "value": "64825750.00",
        "weight": "0.06943747",
        "shared": true
      },
      {
        "name": "GENESIS ENERGY L.P. PARTNERSHIP SHARES",
        "value": "23026500.00",
        "weight": "0.02466461",
        "shared": true
      },
      {
        "name": "KINETIK HOLDINGS INC",
        "value": "18196000.00",
        "weight": "0.01949047",
        "shared": true
      },
      {
        "name": "DT MIDSTREAM INC",
        "value": "11801400.00",
        "weight": "0.01264095",
        "shared": false
      },
      {
        "name": "ANTERO MIDSTREAM CORP",
        "value": "10116000.00",
        "weight": "0.01083565",
        "shared": false
      },
      {
        "name": "KINDER MORGAN INC",
        "value": "9981000.00",
        "weight": "0.01069105",
        "shared": true
      },
      {
        "name": "PHILLIPS 66",
        "value": "8951140.00",
        "weight": "0.00958793",
        "shared": false
      },
      {
        "name": "ENBRIDGE INC",
        "value": "3719800.00",
        "weight": "0.00398443",
        "shared": true
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000826644-26-000175",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/826644/000082664426000175/0000826644-26-000175-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000894189-26-012810",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1505064/000089418926012810/0000894189-26-012810-index.htm"
    }
  ]
}