{
  "page": "compare",
  "query": {
    "a": "BAFZX",
    "b": "BILZ"
  },
  "retrieved_at": "2026-07-07T17:34:31+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": "PIMCO Ultra Short Government Active Exchange-Traded Fund",
    "ticker": "BILZ",
    "slug": "BILZ",
    "series_id": "S000026752",
    "html_url": "https://fundwatcher.app/funds/BILZ/"
  },
  "overlap": {
    "coverage_a_by_b": "0.07603179355009083681907757490",
    "coverage_b_by_a": "0.07603179355009083681907757490",
    "shared_count": 1,
    "as_of": {
      "a": "2026-03-31",
      "b": "2026-03-31"
    },
    "a_top": [
      {
        "name": "U.S. Treasury Bills",
        "value": "25924083.38",
        "weight": "0.07603179",
        "shared": true
      },
      {
        "name": "FNCL 2 4/26",
        "value": "24146922.51",
        "weight": "0.07081962",
        "shared": false
      },
      {
        "name": "FRST AM-GV OB-Z",
        "value": "11735650.14",
        "weight": "0.03441906",
        "shared": false
      },
      {
        "name": "FNCL 3 4/26",
        "value": "10319644.94",
        "weight": "0.03026611",
        "shared": false
      },
      {
        "name": "FNCL 3.5 4/26",
        "value": "8214313.68",
        "weight": "0.02409146",
        "shared": false
      },
      {
        "name": "FNCL 4.5 4/26",
        "value": "7818444.32",
        "weight": "0.02293043",
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      },
      {
        "name": "FNCL 5 4/26",
        "value": "4950545.96",
        "weight": "0.01451927",
        "shared": false
      },
      {
        "name": "FNCL 4 4/26",
        "value": "4478131.80",
        "weight": "0.01313375",
        "shared": false
      },
      {
        "name": "Freddie Mac Pool",
        "value": "3982198.78",
        "weight": "0.01167924",
        "shared": false
      },
      {
        "name": "VZMT 2024-5 A 144A 5.0% 06-21-32",
        "value": "2997268.96",
        "weight": "0.00879058",
        "shared": false
      },
      {
        "name": "UMBS, 30 Year",
        "value": "2865733.16",
        "weight": "0.00840480",
        "shared": false
      },
      {
        "name": "FN CB3103",
        "value": "2821973.97",
        "weight": "0.00827646",
        "shared": false
      },
      {
        "name": "G2 MA8348",
        "value": "2809555.97",
        "weight": "0.00824004",
        "shared": false
      },
      {
        "name": "FNMA POOL FS0348 FN 01/52 FIXED VAR",
        "value": "2802476.31",
        "weight": "0.00821928",
        "shared": false
      },
      {
        "name": "Fannie Mae Pool",
        "value": "2780984.90",
        "weight": "0.00815625",
        "shared": false
      },
      {
        "name": "FR RA5286",
        "value": "2756466.16",
        "weight": "0.00808434",
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      },
      {
        "name": "FR RA7784",
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        "weight": "0.00801075",
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      },
      {
        "name": "FR RA5971",
        "value": "2697158.38",
        "weight": "0.00791040",
        "shared": false
      },
      {
        "name": "Fannie Mae Pool",
        "value": "2669817.52",
        "weight": "0.00783021",
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      },
      {
        "name": "Fannie Mae Pool",
        "value": "2655713.75",
        "weight": "0.00778885",
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      },
      {
        "name": "FNCL UMBS 2.0 CB2789 02-01-52",
        "value": "2611248.07",
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      },
      {
        "name": "Fannie Mae Pool",
        "value": "2607785.04",
        "weight": "0.00764828",
        "shared": false
      },
      {
        "name": "FNCL UMBS 2.5 FS4862 10-01-51",
        "value": "2606727.07",
        "weight": "0.00764517",
        "shared": false
      },
      {
        "name": "FNCL UMBS 2.0 BV4128 03-01-52",
        "value": "2595085.44",
        "weight": "0.00761103",
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      },
      {
        "name": "Fannie Mae Pool",
        "value": "2583558.65",
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      },
      {
        "name": "Fannie Mae Pool",
        "value": "2576513.46",
        "weight": "0.00755656",
        "shared": false
      },
      {
        "name": "Freddie Mac Pool",
        "value": "2570364.32",
        "weight": "0.00753853",
        "shared": false
      },
      {
        "name": "FNMA POOL MB0291 FN 12/54 FIXED 5",
        "value": "2525798.32",
        "weight": "0.00740782",
        "shared": false
      },
      {
        "name": "FNMA UMBS, 30 Year",
        "value": "2525592.77",
        "weight": "0.00740722",
        "shared": false
      },
      {
        "name": "Freddie Mac Pool",
        "value": "2517792.46",
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      },
      {
        "name": "Uniform Mortgage-Backed Securities",
        "value": "2484890.92",
        "weight": "0.00728785",
        "shared": false
      },
      {
        "name": "UMBS, 30 Year",
        "value": "2481169.03",
        "weight": "0.00727693",
        "shared": false
      },
      {
        "name": "Freddie Mac Pool",
        "value": "2461852.84",
        "weight": "0.00722028",
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      },
      {
        "name": "G2 MA7312",
        "value": "2448084.85",
        "weight": "0.00717990",
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      },
      {
        "name": "FNMA UMBS, 30 Year",
        "value": "2444330.21",
        "weight": "0.00716889",
        "shared": false
      },
      {
        "name": "FREDDIE MAC POOL FR SD3475",
        "value": "2433345.88",
        "weight": "0.00713667",
        "shared": false
      },
      {
        "name": "Fannie Mae Pool",
        "value": "2415026.08",
        "weight": "0.00708294",
        "shared": false
      },
      {
        "name": "Freddie Mac Pool",
        "value": "2372287.63",
        "weight": "0.00695760",
        "shared": false
      },
      {
        "name": "Fannie Mae Pool",
        "value": "2283425.12",
        "weight": "0.00669697",
        "shared": false
      },
      {
        "name": "FREDDIE MAC POOL FR SD0846",
        "value": "2177770.33",
        "weight": "0.00638710",
        "shared": false
      },
      {
        "name": "FN CB2548",
        "value": "2153264.27",
        "weight": "0.00631523",
        "shared": false
      },
      {
        "name": "FNMA 30YR 2.5% 01/01/2052#CB2539",
        "value": "2121184.52",
        "weight": "0.00622114",
        "shared": false
      },
      {
        "name": "FN FS8791",
        "value": "2113180.68",
        "weight": "0.00619767",
        "shared": false
      },
      {
        "name": "FNMA UMBS, 30 Year",
        "value": "2110904.33",
        "weight": "0.00619099",
        "shared": false
      },
      {
        "name": "FR SD8200",
        "value": "2090356.96",
        "weight": "0.00613073",
        "shared": false
      },
      {
        "name": "Fannie Mae Pool",
        "value": "2043546.45",
        "weight": "0.00599344",
        "shared": false
      },
      {
        "name": "AUTONATION FINANCE TRUST 2026 1",
        "value": "2035854.70",
        "weight": "0.00597088",
        "shared": false
      },
      {
        "name": "Uniform Mortgage-Backed Securities",
        "value": "2033177.09",
        "weight": "0.00596303",
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      },
      {
        "name": "DRVPNK 2026-1A A4",
        "value": "1998196.23",
        "weight": "0.00586044",
        "shared": false
      },
      {
        "name": "Freddie Mac Pool",
        "value": "1985173.82",
        "weight": "0.00582224",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "U.S. Treasury Bill",
        "value": "612633102.69",
        "weight": "0.66231035",
        "shared": false
      },
      {
        "name": "U.S. Treasury Bills",
        "value": "156840704.45",
        "weight": "0.16955862",
        "shared": true
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      {
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      {
        "name": "U.S. Treasury Bills",
        "value": "64423900.05",
        "weight": "0.06964791",
        "shared": false
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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": "0001099263-26-007318",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1450011/000109926326007318/0001099263-26-007318-index.htm"
    }
  ]
}