{
  "page": "compare",
  "query": {
    "a": "BRSIX",
    "b": "CSMIX"
  },
  "retrieved_at": "2026-07-07T19:24:14+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": "Ultra-Small Company Market Fund",
    "ticker": "BRSIX",
    "slug": "BRSIX",
    "series_id": "S000004424",
    "html_url": "https://fundwatcher.app/funds/BRSIX/"
  },
  "fund_b": {
    "name": "Columbia Small Cap Value Discovery Fund",
    "ticker": "CSMIX",
    "slug": "CSMIX",
    "series_id": "S000012102",
    "html_url": "https://fundwatcher.app/funds/CSMIX/"
  },
  "overlap": {
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    "coverage_b_by_a": "0.07952363292503738911748737306",
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    "as_of": {
      "a": "2026-03-31",
      "b": "2026-01-31"
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        "name": "DREY INST PREF GOV MM-M",
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        "name": "AXT INC",
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      {
        "name": "BABCOCK & WILCOX",
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      },
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        "name": "ENVELA CORP",
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        "name": "NATURAL GAS SERVICES GROUP",
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      {
        "name": "W&T OFFSHORE INC",
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        "name": "GRAN TIERRA ENERGY INC COMMON STOCK",
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        "name": "SMART SAND INC",
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        "name": "PERMA PIPE INTERNATIONL HOLDINGS INC",
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        "name": "SPIRE GLOBAL INC",
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      {
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        "name": "HIGHWOODS PROPERTIES INC",
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        "name": "EURONET WORLDWIDE INC",
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        "name": "CENTURY COMMUNITIES INC",
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        "name": "HNI CORP",
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    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000940400-26-020583",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/916006/000094040026020583/0000940400-26-020583-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001410368-26-033339",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/773757/000141036826033339/0001410368-26-033339-index.htm"
    }
  ]
}