{
  "page": "compare",
  "query": {
    "a": "BBC",
    "b": "JAFMX"
  },
  "retrieved_at": "2026-07-07T18:26:30+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": "Virtus LifeSci Biotech Clinical Trials ETF",
    "ticker": "BBC",
    "slug": "BBC",
    "series_id": "S000047353",
    "html_url": "https://fundwatcher.app/funds/BBC/"
  },
  "fund_b": {
    "name": "Health Sciences Trust",
    "ticker": "JAFMX",
    "slug": "JAFMX",
    "series_id": "S000008239",
    "html_url": "https://fundwatcher.app/funds/JAFMX/"
  },
  "overlap": {
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    "coverage_b_by_a": "0.1663924033439217586125557426",
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    "as_of": {
      "a": "2026-04-30",
      "b": "2026-03-31"
    },
    "a_top": [
      {
        "name": "DREYFUS GOVT CASH MGMT FUND",
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        "weight": "0.02233572",
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      {
        "name": "ERASCA INC",
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        "name": "ENLIVEN THERAPEUTICS INC",
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        "name": "TANGO THERAPEUTICS INC",
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        "name": "ORUKA THERAPEUTICS INC",
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        "name": "ALUMIS INC",
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        "name": "DIANTHUS THERAPEUTICS INC",
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        "name": "KODIAK SCIENCES INC",
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        "name": "REVOLUTION MEDICINES INC",
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        "name": "CORVUS PHARMACEUTICALS INC",
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      {
        "name": "REZOLUTE INC",
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      {
        "name": "DEFINIUM THERAPEUTICS INC",
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        "name": "CG ONCOLOGY INC",
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        "name": "JADE BIOSCIENCES INC",
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        "name": "INHIBRX BIOSCIENCES INC",
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        "name": "RELAY THERAPEUTICS INC",
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        "name": "CENTESSA PHARMACEUTICALS LTD ADR",
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        "name": "COMPASS Pathways PLC, ADR",
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      {
        "name": "VAXCYTE INC",
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      {
        "name": "PHARVARIS NV",
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        "name": "ARRIVENT BIOPHARMA INC",
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        "name": "SUMMIT THERAPEUTICS INC",
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        "name": "CELLDEX THERAPEUTICS INC",
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        "name": "IMMUNOME INC",
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        "name": "BICARA THERAPEUTICS INC",
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        "name": "IRONWOOD PHARMA CL A (PEND)",
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        "name": "AbCellera Biologics Inc COM",
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        "name": "STRYKER CORP",
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        "name": "AstraZeneca PLC ORD USD0.25",
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      {
        "name": "ARGENX SE SPONSORED ADR",
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      {
        "name": "ABBVIE INC",
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      {
        "name": "THE CIGNA GROUP",
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      {
        "name": "CG ONCOLOGY INC",
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        "name": "CARDINAL HEALTH INC",
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        "name": "ELEVANCE HEALTH INC",
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      },
      {
        "name": "KRYSTAL BIOTECH INC",
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  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000940400-26-024966",
      "as_of": "2026-04-30",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1559109/000094040026024966/0000940400-26-024966-index.htm"
    },
    {
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      "accession_no": "0000756913-26-000273",
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      "edgar_url": "https://www.sec.gov/Archives/edgar/data/756913/000075691326000273/0000756913-26-000273-index.htm"
    }
  ]
}