{
  "page": "compare",
  "query": {
    "a": "MDPIX",
    "b": "MPSIX"
  },
  "retrieved_at": "2026-07-07T13:36:55+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 PROFUND",
    "ticker": "MDPIX",
    "slug": "MDPIX",
    "series_id": "S000003068",
    "html_url": "https://fundwatcher.app/funds/MDPIX/"
  },
  "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": "0.6817504846516673218064823204",
    "coverage_b_by_a": "0.6817504846516673218064823204",
    "shared_count": 390,
    "as_of": {
      "a": "2026-04-30",
      "b": "2026-01-31"
    },
    "a_top": [
      {
        "name": "US ULTRA BOND CBT Sep25",
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      },
      {
        "name": "FLEX LTD",
        "value": "64451.20",
        "weight": "0.00694915",
        "shared": true
      },
      {
        "name": "TECHNIPFMC PLC",
        "value": "58566.75",
        "weight": "0.00631469",
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      },
      {
        "name": "CURTISS WRIGHT CORPORATION",
        "value": "51134.20",
        "weight": "0.00551331",
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      },
      {
        "name": "XPO LOGISTICS INC",
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      },
      {
        "name": "FABRINET",
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      },
      {
        "name": "UNITED THERAPEUTICS CORP DEL",
        "value": "46850.70",
        "weight": "0.00505146",
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      },
      {
        "name": "MASTEC INC",
        "value": "46497.90",
        "weight": "0.00501342",
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      },
      {
        "name": "NVENT ELECTRIC",
        "value": "44156.10",
        "weight": "0.00476092",
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      },
      {
        "name": "PURE STORAGE INC CL A",
        "value": "42941.45",
        "weight": "0.00462996",
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      },
      {
        "name": "TWILIO INC CLASS A",
        "value": "42937.40",
        "weight": "0.00462952",
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      },
      {
        "name": "WOODWARD INC",
        "value": "41380.86",
        "weight": "0.00446170",
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      },
      {
        "name": "ENTEGRIS INC",
        "value": "41141.58",
        "weight": "0.00443590",
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      },
      {
        "name": "CARPENTER TECHNOLOGY CORP",
        "value": "40679.00",
        "weight": "0.00438602",
        "shared": true
      },
      {
        "name": "ATI INC",
        "value": "40419.60",
        "weight": "0.00435805",
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      },
      {
        "name": "US FOODS HOLDING CORP",
        "value": "39546.27",
        "weight": "0.00426389",
        "shared": true
      },
      {
        "name": "BURLINGTON STORES INC",
        "value": "38081.19",
        "weight": "0.00410593",
        "shared": true
      },
      {
        "name": "BWX TECHNOLOGIES INC",
        "value": "37868.25",
        "weight": "0.00408297",
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      },
      {
        "name": "ILLUMINA INC",
        "value": "37134.82",
        "weight": "0.00400389",
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      },
      {
        "name": "RB GLOBAL INC",
        "value": "37130.80",
        "weight": "0.00400345",
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      },
      {
        "name": "MKS INSTRUMENTS INC",
        "value": "36603.75",
        "weight": "0.00394663",
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      },
      {
        "name": "RBC BEARINGS INC",
        "value": "36544.49",
        "weight": "0.00394024",
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      },
      {
        "name": "RELIANCE STEEL and ALUMINUM CO",
        "value": "36250.00",
        "weight": "0.00390849",
        "shared": true
      },
      {
        "name": "ROYAL GOLD INC",
        "value": "36173.90",
        "weight": "0.00390028",
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      },
      {
        "name": "ITT INC",
        "value": "35366.10",
        "weight": "0.00381318",
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      },
      {
        "name": "MACOM TECHNOLOGY SOLUTIONS HOLDINGS INC",
        "value": "34919.64",
        "weight": "0.00376505",
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      },
      {
        "name": "NEXTRACKER INC CL A",
        "value": "33832.92",
        "weight": "0.00364788",
        "shared": true
      },
      {
        "name": "API GROUP CORP",
        "value": "33604.20",
        "weight": "0.00362322",
        "shared": true
      },
      {
        "name": "EAST WEST BNCRP",
        "value": "33388.08",
        "weight": "0.00359991",
        "shared": true
      },
      {
        "name": "TD SYNNEX CORP",
        "value": "32857.92",
        "weight": "0.00354275",
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      },
      {
        "name": "TALEN ENERGY CORP",
        "value": "32772.96",
        "weight": "0.00353359",
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      },
      {
        "name": "OVINTIV INC",
        "value": "32744.60",
        "weight": "0.00353053",
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      },
      {
        "name": "WESCO INTL",
        "value": "32468.16",
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      },
      {
        "name": "LATTICE SEMICONDUCTOR CORP",
        "value": "32037.36",
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      },
      {
        "name": "ALCOA CORP",
        "value": "31639.84",
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      },
      {
        "name": "ANNALY CAPITAL MGMT INC REIT",
        "value": "31510.40",
        "weight": "0.00339746",
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      },
      {
        "name": "TTM TECHNOLOGIES INC",
        "value": "31327.56",
        "weight": "0.00337775",
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      },
      {
        "name": "PERMIAN RESOURCES CORP CL A",
        "value": "30657.16",
        "weight": "0.00330546",
        "shared": true
      },
      {
        "name": "WP CAREY INC",
        "value": "30630.60",
        "weight": "0.00330260",
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      },
      {
        "name": "TEMPUR SEALY INTERNATIONAL INC",
        "value": "30495.72",
        "weight": "0.00328806",
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      },
      {
        "name": "STERLING INFRASTRUCTURE INC",
        "value": "30421.58",
        "weight": "0.00328006",
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      },
      {
        "name": "CLEAN HARBORS INC",
        "value": "30017.28",
        "weight": "0.00323647",
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      },
      {
        "name": "TENET HEALTHCARE CORP",
        "value": "29756.16",
        "weight": "0.00320832",
        "shared": true
      },
      {
        "name": "WATSCO INC",
        "value": "29335.28",
        "weight": "0.00316294",
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      },
      {
        "name": "DT MIDSTREAM INC",
        "value": "28858.05",
        "weight": "0.00311148",
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      },
      {
        "name": "MUELLER INDUSTRIES INC",
        "value": "28846.59",
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      },
      {
        "name": "DICKS SPORTING GOODS INC",
        "value": "28818.84",
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      },
      {
        "name": "JONES LANG LASALLE INC",
        "value": "28631.70",
        "weight": "0.00308708",
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      },
      {
        "name": "PINNACLE FINANCIAL PARTNERS INC",
        "value": "28494.72",
        "weight": "0.00307231",
        "shared": true
      },
      {
        "name": "ONTO INNOVATION INC",
        "value": "28030.70",
        "weight": "0.00302228",
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    ],
    "b_top": [
      {
        "name": "Principal Government Money Market Fund - Class R-6",
        "value": "14534720.64",
        "weight": "0.01148489",
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      },
      {
        "name": "CIENA CORP",
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      {
        "name": "COHERENT CORP",
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      {
        "name": "LUMENTUM HOLDINGS INC",
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      {
        "name": "CURTISS WRIGHT CORPORATION",
        "value": "9061008.62",
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      {
        "name": "FLEX LTD",
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      },
      {
        "name": "CASEY'S GENERAL",
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      },
      {
        "name": "TECHNIPFMC PLC",
        "value": "8434336.40",
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      },
      {
        "name": "ILLUMINA INC",
        "value": "8279946.18",
        "weight": "0.00654256",
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      },
      {
        "name": "PURE STORAGE INC CL A",
        "value": "8124149.58",
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      },
      {
        "name": "ROYAL GOLD INC",
        "value": "7983295.89",
        "weight": "0.00630816",
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      },
      {
        "name": "RB GLOBAL INC",
        "value": "7891525.02",
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      },
      {
        "name": "UNITED THERAPEUTICS CORP DEL",
        "value": "7564422.88",
        "weight": "0.00597718",
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      },
      {
        "name": "WOODWARD INC",
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      },
      {
        "name": "BWX TECHNOLOGIES INC",
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      },
      {
        "name": "US FOODS HOLDING CORP",
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      },
      {
        "name": "TEMPUR SEALY INTERNATIONAL INC",
        "value": "6900353.95",
        "weight": "0.00545245",
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      },
      {
        "name": "BURLINGTON STORES INC",
        "value": "6893833.86",
        "weight": "0.00544730",
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      },
      {
        "name": "TWILIO INC CLASS A",
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      },
      {
        "name": "NVENT ELECTRIC",
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      },
      {
        "name": "ENTEGRIS INC",
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      },
      {
        "name": "FABRINET",
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      {
        "name": "KRATOS DEFENSE and SEC SOLTN INC",
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      {
        "name": "XPO LOGISTICS INC",
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      {
        "name": "NEXTRACKER INC CL A",
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      },
      {
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      {
        "name": "JONES LANG LASALLE INC",
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      },
      {
        "name": "TENET HEALTHCARE CORP",
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      },
      {
        "name": "ATI INC",
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      },
      {
        "name": "TALEN ENERGY CORP",
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      },
      {
        "name": "CARPENTER TECHNOLOGY CORP",
        "value": "5924986.86",
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      },
      {
        "name": "MKS INSTRUMENTS INC",
        "value": "5917030.35",
        "weight": "0.00467546",
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      },
      {
        "name": "EAST WEST BNCRP",
        "value": "5891828.96",
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      },
      {
        "name": "RBC BEARINGS INC",
        "value": "5886112.60",
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      },
      {
        "name": "ANNALY CAPITAL MGMT INC REIT",
        "value": "5881033.86",
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      },
      {
        "name": "ITT INC",
        "value": "5796957.70",
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      },
      {
        "name": "API GROUP CORP",
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      {
        "name": "TRANSUNION",
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      {
        "name": "WP CAREY INC",
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      {
        "name": "CARLYLE GROUP INC (THE)",
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      },
      {
        "name": "ECHOSTAR CORP CL A",
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      {
        "name": "MUELLER INDUSTRIES INC",
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      },
      {
        "name": "HECLA MINING CO",
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      },
      {
        "name": "PERFORMANCE FOOD GROUP CO",
        "value": "5601006.00",
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      },
      {
        "name": "MASTEC INC",
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      },
      {
        "name": "ALCOA CORP",
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      },
      {
        "name": "LINCOLN ELECTRIC HLDGS INC",
        "value": "5463821.85",
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      },
      {
        "name": "GRACO INC",
        "value": "5418040.53",
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      },
      {
        "name": "OKTA INC CL A",
        "value": "5325281.28",
        "weight": "0.00420787",
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      },
      {
        "name": "CARLISLE COS INC",
        "value": "5317202.22",
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    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000910472-26-009382",
      "as_of": "2026-04-30",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1039803/000091047226009382/0000910472-26-009382-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"
    }
  ]
}