{
  "page": "compare",
  "query": {
    "a": "BMPEX",
    "b": "OSTFX"
  },
  "retrieved_at": "2026-07-07T18:49:16+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": "BECK, MACK & OLIVER PARTNERS FUND",
    "ticker": "BMPEX",
    "slug": "BMPEX",
    "series_id": "S000026940",
    "html_url": "https://fundwatcher.app/funds/BMPEX/"
  },
  "fund_b": {
    "name": "The Osterweis Fund",
    "ticker": "OSTFX",
    "slug": "OSTFX",
    "series_id": "S000004931",
    "html_url": "https://fundwatcher.app/funds/OSTFX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.1985995573483147934628902110",
    "coverage_b_by_a": "0.1985995573483147934628902112",
    "shared_count": 6,
    "as_of": {
      "a": "2026-03-31",
      "b": "2026-03-31"
    },
    "a_top": [
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      },
      {
        "name": "APOLLO GLOBAL MANAGEMENT INC",
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      },
      {
        "name": "RADNET INC",
        "value": "4471200.00",
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      },
      {
        "name": "BLACKSTONE INC",
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      {
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      {
        "name": "SUNBELT RENTALS",
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      },
      {
        "name": "MICROSOFT CORP",
        "value": "3886785.00",
        "weight": "0.05483413",
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      },
      {
        "name": "HILTON WORLDWIDE HOLDINGS INC",
        "value": "3648960.00",
        "weight": "0.05147894",
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      },
      {
        "name": "ZURN ELKAY WATER SOLUTIONS CORP",
        "value": "3587200.00",
        "weight": "0.05060764",
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      },
      {
        "name": "ARTHUR J GALLAGHAR AND CO",
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      },
      {
        "name": "SCHWAB CHARLES CORP",
        "value": "3289300.00",
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      },
      {
        "name": "RUSH ENTERPRISES INC CL A",
        "value": "3107170.00",
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      },
      {
        "name": "WATERS CORP",
        "value": "2680200.00",
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      },
      {
        "name": "LABCORP HOLDINGS INC",
        "value": "2668100.00",
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      },
      {
        "name": "TEMPUR SEALY INTERNATIONAL INC",
        "value": "2587200.00",
        "weight": "0.03649980",
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      },
      {
        "name": "CREDIT ACCEPTANCE CORP",
        "value": "2540760.00",
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      },
      {
        "name": "ABBOTT LABS",
        "value": "2361410.00",
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      },
      {
        "name": "JPMORGAN CHASE and CO",
        "value": "2353280.00",
        "weight": "0.03319969",
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      },
      {
        "name": "COSTAR GROUP INC",
        "value": "1815300.00",
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      },
      {
        "name": "AMAZON.COM INC",
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      },
      {
        "name": "ROPER TECHNOLOGIES INC",
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      {
        "name": "MASTERCARD INC CL A",
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      },
      {
        "name": "FORTREA HOLDINGS INC",
        "value": "1083300.00",
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      },
      {
        "name": "Enterprise Products Partners LP",
        "value": "756800.00",
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      },
      {
        "name": "FRST AM-GV OB-X",
        "value": "564796.33",
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    ],
    "b_top": [
      {
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        "value": "10004529.36",
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        "shared": true
      },
      {
        "name": "AMAZON.COM INC",
        "value": "5491246.82",
        "weight": "0.04099796",
        "shared": true
      },
      {
        "name": "MICROSOFT CORP",
        "value": "5296022.19",
        "weight": "0.03954040",
        "shared": true
      },
      {
        "name": "BROADCOM INC",
        "value": "5079368.61",
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      },
      {
        "name": "VISA INC-CLASS A",
        "value": "4913213.44",
        "weight": "0.03668233",
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      },
      {
        "name": "ANALOG DEVICES INC",
        "value": "4874541.08",
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      },
      {
        "name": "JPMORGAN CHASE and CO",
        "value": "4597132.48",
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      },
      {
        "name": "APPLIED MATERIALS INC",
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      },
      {
        "name": "WASTE CONNECTIONS INC",
        "value": "4108107.60",
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      {
        "name": "AUTOZONE INC",
        "value": "4070224.90",
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      },
      {
        "name": "NVIDIA CORP",
        "value": "4060380.80",
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      },
      {
        "name": "DANAHER CORP",
        "value": "3679567.20",
        "weight": "0.02747186",
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      },
      {
        "name": "Federated U.S. Treasury Cash Reserves",
        "value": "3471809.84",
        "weight": "0.02592073",
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      },
      {
        "name": "COMMSTCK",
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      },
      {
        "name": "KEYSIGHT TECHNOLOGIES INC",
        "value": "3418653.59",
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      },
      {
        "name": "AMERICAN WATER WRKS COMPANY",
        "value": "3400889.10",
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      },
      {
        "name": "TERRENO REALTY CORP",
        "value": "3323436.20",
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      },
      {
        "name": "L3HARRIS TECHNOLOGIES INC",
        "value": "3301359.75",
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      },
      {
        "name": "US FOODS HOLDING CORP",
        "value": "3281292.85",
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      },
      {
        "name": "INTERCONTINENTAL EXCHANGE INC",
        "value": "3125940.00",
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      },
      {
        "name": "BOSTON SCIENTIFIC CORP",
        "value": "3087613.75",
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      },
      {
        "name": "LILLY ELI and CO",
        "value": "2963498.94",
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      },
      {
        "name": "FERGUSON ENTERPRISES INC",
        "value": "2827577.72",
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      },
      {
        "name": "PROGRESSIVE CORP OHIO",
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      {
        "name": "BROWN & BROWN",
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      },
      {
        "name": "AMETEK INC NEW",
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      {
        "name": "BOEING CO/THE",
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      {
        "name": "CANADIAN PACIFIC KANSAS CITY LTD",
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        "name": "DEERE & CO",
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        "name": "Compass Group PLC",
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      {
        "name": "AIR PRODUCTS and CHEMICALS INC",
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        "name": "LABCORP HOLDINGS INC",
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      {
        "name": "CORPAY INC",
        "value": "2031983.17",
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      {
        "name": "PUBLIC STORAGE",
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      {
        "name": "LAMAR ADVERTISING CO CL A",
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      {
        "name": "SYNOPSYS INC",
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      {
        "name": "SLB LTD",
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      {
        "name": "NVR INC",
        "value": "1924230.36",
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      },
      {
        "name": "LINDE PLC",
        "value": "1848689.04",
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    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000315774-26-000159",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/315774/000031577426000159/0000315774-26-000159-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001193125-26-245004",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/811030/000119312526245004/0001193125-26-245004-index.htm"
    }
  ]
}