{
  "page": "compare",
  "query": {
    "a": "HCASX",
    "b": "VMBSX"
  },
  "retrieved_at": "2026-07-07T18:58:47+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": "The U.S. Mortgage/Asset Backed Fixed Income Securities Portfolio",
    "ticker": "HCASX",
    "slug": "HCASX",
    "series_id": "S000029854",
    "html_url": "https://fundwatcher.app/funds/HCASX/"
  },
  "fund_b": {
    "name": "VANGUARD MORTGAGE-BACKED SECURITIES INDEX FUND",
    "ticker": "VMBSX",
    "slug": "VMBSX",
    "series_id": "S000026865",
    "html_url": "https://fundwatcher.app/funds/VMBSX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.1713944233835043697485881234",
    "coverage_b_by_a": "0.1713944233835043697485881231",
    "shared_count": 568,
    "as_of": {
      "a": "2025-12-31",
      "b": "2026-02-28"
    },
    "a_top": [
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        "name": "Vanguard Scottsdale Funds INTERMEDIATE-TERM TREASURY",
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        "weight": "0.11676801",
        "shared": false
      },
      {
        "name": "SS INST TREAS PLUS MM FUN",
        "value": "22564754.30",
        "weight": "0.08128058",
        "shared": false
      },
      {
        "name": "ISHARES US TREASURY BOND ETF",
        "value": "6004114.13",
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      },
      {
        "name": "FNCL 2 1/26",
        "value": "2000592.77",
        "weight": "0.00720634",
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      },
      {
        "name": "FNCL 6 1/26",
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      },
      {
        "name": "FNCL 2.5 1/26",
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      },
      {
        "name": "FNCL 5.5 1/26",
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      },
      {
        "name": "FNCL 3 1/26",
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      },
      {
        "name": "G2 MA7704",
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      {
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        "name": "G2SF 5 1/26",
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      },
      {
        "name": "FNCL 4.5 1/26",
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      },
      {
        "name": "G2SF 3 1/26",
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      {
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      {
        "name": "G2SF 6 1/25",
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      },
      {
        "name": "Government National Mortgage Association, TBA",
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      {
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      {
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      },
      {
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      },
      {
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      {
        "name": "G2SF 4 1/26",
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      {
        "name": "Freddie Mac Pool",
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      },
      {
        "name": "FNCL 6.5 1/26",
        "value": "519628.91",
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      },
      {
        "name": "FNCI 2 1/26",
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      },
      {
        "name": "Federal National Mortgage Association, Inc.",
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        "weight": "0.00182383",
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      },
      {
        "name": "FEDERAL HOME LOAN MORTGAGE CORPORATION",
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      {
        "name": "FNMA POOL CB7651 FN 12/53 FIXED 6.5",
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      {
        "name": "FNCL 3.5 1/26",
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      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
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      {
        "name": "G2SF 3.5 1/26",
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        "name": "FR SD6764",
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      },
      {
        "name": "FNMA UMBS, 30 Year",
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      },
      {
        "name": "G2 MB0145",
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      },
      {
        "name": "UMBS",
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        "name": "G2 MB0146",
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        "name": "FN MA5585",
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      {
        "name": "Freddie Mac Pool",
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      {
        "name": "UMBS",
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      {
        "name": "FR SD8491",
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      },
      {
        "name": "Federal National Mortgage Association, Inc.",
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      {
        "name": "Federal National Mortgage Association, Inc.",
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    ],
    "b_top": [
      {
        "name": "Vanguard Market Liquidity Fund",
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      },
      {
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      {
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      {
        "name": "Uniform Mortgage-Backed Security, TBA",
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      {
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      {
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      {
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  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001004726-26-001165",
      "as_of": "2025-12-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/934563/000100472626001165/0001004726-26-001165-index.htm"
    },
    {
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      "accession_no": "0001021882-26-000290",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1021882/000102188226000290/0001021882-26-000290-index.htm"
    }
  ]
}