{
  "page": "compare",
  "query": {
    "a": "MGPIX",
    "b": "MPSIX"
  },
  "retrieved_at": "2026-07-07T15:44:34+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": "MID-CAP GROWTH PROFUND",
    "ticker": "MGPIX",
    "slug": "MGPIX",
    "series_id": "S000003074",
    "html_url": "https://fundwatcher.app/funds/MGPIX/"
  },
  "fund_b": {
    "name": "MidCap S&P 400 Index Fund",
    "ticker": "MPSIX",
    "slug": "MPSIX",
    "series_id": "S000007079",
    "html_url": "https://fundwatcher.app/funds/MPSIX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.5945860980557973666761582180",
    "coverage_b_by_a": "0.5945860980557973666761582181",
    "shared_count": 232,
    "as_of": {
      "a": "2026-04-30",
      "b": "2026-01-31"
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    "a_top": [
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      {
        "name": "TECHNIPFMC PLC",
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      },
      {
        "name": "CURTISS WRIGHT CORPORATION",
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      },
      {
        "name": "XPO LOGISTICS INC",
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      {
        "name": "UNITED THERAPEUTICS CORP DEL",
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      {
        "name": "FABRINET",
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      {
        "name": "MASTEC INC",
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      },
      {
        "name": "NVENT ELECTRIC",
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      },
      {
        "name": "PURE STORAGE INC CL A",
        "value": "62518.75",
        "weight": "0.01285494",
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      },
      {
        "name": "TWILIO INC CLASS A",
        "value": "62481.32",
        "weight": "0.01284725",
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      },
      {
        "name": "WOODWARD INC",
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      },
      {
        "name": "CARPENTER TECHNOLOGY CORP",
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      },
      {
        "name": "ATI INC",
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      },
      {
        "name": "BWX TECHNOLOGIES INC",
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      },
      {
        "name": "RB GLOBAL INC",
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      },
      {
        "name": "ROYAL GOLD INC",
        "value": "52743.88",
        "weight": "0.01084506",
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      },
      {
        "name": "RBC BEARINGS INC",
        "value": "52719.92",
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      },
      {
        "name": "ITT INC",
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      {
        "name": "MACOM TECHNOLOGY SOLUTIONS HOLDINGS INC",
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      },
      {
        "name": "API GROUP CORP",
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      },
      {
        "name": "TALEN ENERGY CORP",
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      {
        "name": "TTM TECHNOLOGIES INC",
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      {
        "name": "TEMPUR SEALY INTERNATIONAL INC",
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      {
        "name": "STERLING INFRASTRUCTURE INC",
        "value": "43827.70",
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      },
      {
        "name": "TENET HEALTHCARE CORP",
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      {
        "name": "ADV ENERGY INDS",
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      },
      {
        "name": "MKS INSTRUMENTS INC",
        "value": "37455.00",
        "weight": "0.00770140",
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      },
      {
        "name": "NEUROCRINE BIOSCIENCES INC",
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      {
        "name": "FIVE BELOW INC",
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      },
      {
        "name": "PENUMBRA INC",
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      },
      {
        "name": "NEW YORK TIMES CO CL A",
        "value": "35721.56",
        "weight": "0.00734498",
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      },
      {
        "name": "SITIME CORP",
        "value": "34853.30",
        "weight": "0.00716645",
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      },
      {
        "name": "OKTA INC CL A",
        "value": "34836.45",
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      {
        "name": "RAMBUS INC",
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        "name": "JAZZ PHARMACEUTI",
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        "name": "BURLINGTON STORES INC",
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      {
        "name": "TOPBUILD CORP",
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      },
      {
        "name": "HECLA MINING CO",
        "value": "33715.42",
        "weight": "0.00693248",
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      },
      {
        "name": "GUIDEWIRE SOFTWARE INC",
        "value": "32798.43",
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      {
        "name": "KRATOS DEFENSE and SEC SOLTN INC",
        "value": "32470.75",
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      {
        "name": "EXELIXIS INC",
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      },
      {
        "name": "CACI INTL-A",
        "value": "32211.48",
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      },
      {
        "name": "COCA COLA CONSOLIDATED INC",
        "value": "32195.99",
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        "name": "NEXTRACKER INC CL A",
        "value": "32165.10",
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      {
        "name": "ELANCO ANIMAL HEALTH INC",
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      {
        "name": "DT MIDSTREAM INC",
        "value": "30337.95",
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      },
      {
        "name": "SPX TECHNOLOGIES INC",
        "value": "30209.58",
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      {
        "name": "MUELLER INDUSTRIES INC",
        "value": "30200.89",
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        "name": "DYNATRACE INC",
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    ],
    "b_top": [
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        "name": "Principal Government Money Market Fund - Class R-6",
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      {
        "name": "CIENA CORP",
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        "name": "COHERENT CORP",
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      {
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      {
        "name": "PURE STORAGE INC CL A",
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      {
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      {
        "name": "UNITED THERAPEUTICS CORP DEL",
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      {
        "name": "US FOODS HOLDING CORP",
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      {
        "name": "BURLINGTON STORES INC",
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      {
        "name": "TWILIO INC CLASS A",
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        "name": "JONES LANG LASALLE INC",
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        "name": "CARPENTER TECHNOLOGY CORP",
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      {
        "name": "MKS INSTRUMENTS INC",
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      {
        "name": "EAST WEST BNCRP",
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        "name": "RBC BEARINGS INC",
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      {
        "name": "ANNALY CAPITAL MGMT INC REIT",
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      {
        "name": "ITT INC",
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      {
        "name": "API GROUP CORP",
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      {
        "name": "TRANSUNION",
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      {
        "name": "CARLYLE GROUP INC (THE)",
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      {
        "name": "ECHOSTAR CORP CL A",
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        "name": "PERFORMANCE FOOD GROUP CO",
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        "name": "MASTEC INC",
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        "name": "ALCOA CORP",
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        "name": "LINCOLN ELECTRIC HLDGS INC",
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      {
        "name": "GRACO INC",
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      {
        "name": "OKTA INC CL A",
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      },
      {
        "name": "CARLISLE COS INC",
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    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000910472-26-009369",
      "as_of": "2026-04-30",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1039803/000091047226009369/0000910472-26-009369-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000898745-26-000440",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/898745/000089874526000440/0000898745-26-000440-index.htm"
    }
  ]
}