{
  "page": "compare",
  "query": {
    "a": "BAFZX",
    "b": "BAISX"
  },
  "retrieved_at": "2026-07-07T16:30:24+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": "Brown Advisory Mortgage Securities Fund",
    "ticker": "BAFZX",
    "slug": "BAFZX",
    "series_id": "S000043634",
    "html_url": "https://fundwatcher.app/funds/BAFZX/"
  },
  "fund_b": {
    "name": "Brown Advisory Sustainable Bond Fund",
    "ticker": "BAISX",
    "slug": "BAISX",
    "series_id": "S000058305",
    "html_url": "https://fundwatcher.app/funds/BAISX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.3075705561166617709459037869",
    "coverage_b_by_a": "0.3075705561166617709459037869",
    "shared_count": 90,
    "as_of": {
      "a": "2026-03-31",
      "b": "2026-03-31"
    },
    "a_top": [
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      },
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      },
      {
        "name": "FRST AM-GV OB-Z",
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      },
      {
        "name": "FNCL 3 4/26",
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      },
      {
        "name": "FNCL 3.5 4/26",
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      {
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      {
        "name": "FNCL 5 4/26",
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      },
      {
        "name": "FNCL 4 4/26",
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      },
      {
        "name": "Freddie Mac Pool",
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      },
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        "name": "VZMT 2024-5 A 144A 5.0% 06-21-32",
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      },
      {
        "name": "UMBS, 30 Year",
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      },
      {
        "name": "FN CB3103",
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      {
        "name": "G2 MA8348",
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      },
      {
        "name": "FNMA POOL FS0348 FN 01/52 FIXED VAR",
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      },
      {
        "name": "Fannie Mae Pool",
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      },
      {
        "name": "FR RA5286",
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      },
      {
        "name": "FR RA5971",
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      },
      {
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      },
      {
        "name": "Fannie Mae Pool",
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      },
      {
        "name": "FNCL UMBS 2.0 CB2789 02-01-52",
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      },
      {
        "name": "Fannie Mae Pool",
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      {
        "name": "FNCL UMBS 2.5 FS4862 10-01-51",
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      },
      {
        "name": "FNCL UMBS 2.0 BV4128 03-01-52",
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      {
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      {
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      },
      {
        "name": "Freddie Mac Pool",
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      },
      {
        "name": "FNMA POOL MB0291 FN 12/54 FIXED 5",
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      },
      {
        "name": "FNMA UMBS, 30 Year",
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      {
        "name": "Freddie Mac Pool",
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      {
        "name": "Uniform Mortgage-Backed Securities",
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      {
        "name": "UMBS, 30 Year",
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      {
        "name": "Freddie Mac Pool",
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      {
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      {
        "name": "FNMA UMBS, 30 Year",
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      {
        "name": "FREDDIE MAC POOL FR SD3475",
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      {
        "name": "Fannie Mae Pool",
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      {
        "name": "Freddie Mac Pool",
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      {
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      {
        "name": "FREDDIE MAC POOL FR SD0846",
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      {
        "name": "FN CB2548",
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      {
        "name": "FNMA 30YR 2.5% 01/01/2052#CB2539",
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      {
        "name": "FN FS8791",
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      {
        "name": "FNMA UMBS, 30 Year",
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      {
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      {
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      {
        "name": "AUTONATION FINANCE TRUST 2026 1",
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        "name": "DRVPNK 2026-1A A4",
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      {
        "name": "Freddie Mac Pool",
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    ],
    "b_top": [
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      {
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      {
        "name": "EUROPEAN INVT BK",
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      {
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      {
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      {
        "name": "FRST AM-GV OB-Z",
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      },
      {
        "name": "US TREASURY N/B",
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      {
        "name": "US TREASURY N/B",
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      {
        "name": "US TREASURY N/B",
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      {
        "name": "FNCL 3 4/26",
        "value": "11347480.52",
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      },
      {
        "name": "REVVITY INC",
        "value": "8257807.47",
        "weight": "0.01427247",
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      },
      {
        "name": "Fannie Mae Pool",
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      },
      {
        "name": "VZMT 2024-5 A 144A 5.0% 06-21-32",
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      },
      {
        "name": "Societe Generale SA",
        "value": "5702932.40",
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      },
      {
        "name": "EUROPEAN INVT BK",
        "value": "5687735.12",
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      },
      {
        "name": "CENTENE CORP",
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      },
      {
        "name": "FNCL UMBS 2.5 FS4862 10-01-51",
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      },
      {
        "name": "CF INDUSTRIES IN",
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      },
      {
        "name": "PROLOGIS LP",
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      {
        "name": "REGAL REXNORD",
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      },
      {
        "name": "FERGUSON FINANCE PLC",
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      },
      {
        "name": "PPG INDUSTRIES",
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      {
        "name": "KROGER CO",
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      {
        "name": "NGGLN 5.418 01/11/34",
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      {
        "name": "Freddie Mac Pool",
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      {
        "name": "BIOGEN INC",
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      {
        "name": "VERISIGN INC",
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      {
        "name": "BROOKFIELD ASSE",
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      },
      {
        "name": "EASTMAN CHEMICAL",
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      {
        "name": "KEYSIGHT TECHNOL",
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      },
      {
        "name": "PNC FINANCIAL",
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      },
      {
        "name": "AERCAP IRELAND",
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      },
      {
        "name": "Takeoff Merger Sub Inc",
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      },
      {
        "name": "BPCE SA REGD V/R 144A P/P 6.50800000",
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      },
      {
        "name": "CREDIT AGRICOLE SA SUBORDINATED 144A 01/35 VAR",
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      {
        "name": "EXPEDIA GRP INC",
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      {
        "name": "AT&T INC",
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      {
        "name": "SPRINT CAP CORP",
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      {
        "name": "US TREASURY N/B",
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      {
        "name": "ISPIM 7.8 11/28/53 144A",
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      {
        "name": "US TREASURY N/B",
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      {
        "name": "US TREASURY N/B",
        "value": "4992285.15",
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      {
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      },
      {
        "name": "Fannie Mae Pool",
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      },
      {
        "name": "Fannie Mae Pool",
        "value": "4164301.13",
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      },
      {
        "name": "AUTONATION FINANCE TRUST 2026 1",
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      },
      {
        "name": "Freddie Mac Pool",
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      },
      {
        "name": "DRVPNK 2026-1A A4",
        "value": "4039246.55",
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    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000894189-26-016027",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1548609/000089418926016027/0000894189-26-016027-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000894189-26-016026",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1548609/000089418926016026/0000894189-26-016026-index.htm"
    }
  ]
}