{
  "page": "compare",
  "query": {
    "a": "FBT",
    "b": "IBBQ"
  },
  "retrieved_at": "2026-07-07T16:48:03+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": "First Trust NYSE Arca Biotechnology Index Fund",
    "ticker": "FBT",
    "slug": "FBT",
    "series_id": "S000012478",
    "html_url": "https://fundwatcher.app/funds/FBT/"
  },
  "fund_b": {
    "name": "Invesco Nasdaq Biotechnology ETF",
    "ticker": "IBBQ",
    "slug": "IBBQ",
    "series_id": "S000072469",
    "html_url": "https://fundwatcher.app/funds/IBBQ/"
  },
  "overlap": {
    "coverage_a_by_b": "0.3164423584467479246379265152",
    "coverage_b_by_a": "0.3164423584467479246379265152",
    "shared_count": 23,
    "as_of": {
      "a": "2026-03-31",
      "b": "2026-02-28"
    },
    "a_top": [
      {
        "name": "MODERNA INC",
        "value": "119445481.20",
        "weight": "0.05258157",
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      },
      {
        "name": "UNITED THERAPEUTICS CORP DEL",
        "value": "98938120.02",
        "weight": "0.04355394",
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      },
      {
        "name": "ALKERMES PLC",
        "value": "96146103.04",
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      },
      {
        "name": "GILEAD SCIENCES INC",
        "value": "92819305.04",
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      },
      {
        "name": "AXSOME THERAPEUTICS INC",
        "value": "88207819.56",
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      },
      {
        "name": "AMGEN INC",
        "value": "87006523.55",
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      },
      {
        "name": "CORCEPT THERAPEUTICS INC",
        "value": "86691734.06",
        "weight": "0.03816291",
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      },
      {
        "name": "KRYSTAL BIOTECH INC",
        "value": "79692753.28",
        "weight": "0.03508186",
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      },
      {
        "name": "BIOGEN INC",
        "value": "78804950.49",
        "weight": "0.03469104",
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      },
      {
        "name": "EXELIXIS INC",
        "value": "78543170.30",
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      },
      {
        "name": "NEUROCRINE BIOSCIENCES INC",
        "value": "78243811.24",
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      },
      {
        "name": "REGENERON PHARMACEUTICALS INC",
        "value": "78229027.36",
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      },
      {
        "name": "VERTEX PHARMACEUTICALS INC",
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      },
      {
        "name": "BIOMARIN PHARMACEUTICAL INC",
        "value": "77280579.60",
        "weight": "0.03401999",
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      },
      {
        "name": "ARGENX SE SPONSORED ADR",
        "value": "74722831.25",
        "weight": "0.03289403",
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      },
      {
        "name": "SAREPTA THERAPEUTICS INC",
        "value": "73643325.44",
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      },
      {
        "name": "HALOZYME THERAPEUTICS INC",
        "value": "71923043.09",
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      },
      {
        "name": "BIONTECH SE ADR",
        "value": "71789353.68",
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      },
      {
        "name": "INCYTE CORP",
        "value": "71025869.72",
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      {
        "name": "BEONE MEDICINES LTD ADR",
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      },
      {
        "name": "ILLUMINA INC",
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      {
        "name": "NATERA INC",
        "value": "68836158.02",
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      {
        "name": "ACADIA PHARMACEUTICALS INC",
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      {
        "name": "ALNYLAM PHARMACEUTICALS INC",
        "value": "66998528.04",
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      },
      {
        "name": "BIO-TECHNE CORP",
        "value": "64153069.50",
        "weight": "0.02824108",
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      },
      {
        "name": "GENMAB A/S -SP ADR DEPOSITARY RECEIPT",
        "value": "63158329.77",
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      },
      {
        "name": "VERACYTE INC",
        "value": "61789763.61",
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      },
      {
        "name": "REPLIGEN CORP",
        "value": "56958076.06",
        "weight": "0.02507374",
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      },
      {
        "name": "BRUKER CORP",
        "value": "53490938.76",
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      },
      {
        "name": "NEOGENOMICS INC",
        "value": "45471822.76",
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      },
      {
        "name": "DREY-GVT CSH-I",
        "value": "1413994.11",
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      },
      {
        "name": "DAIWA CAPITAL MARKETS AMERICA INC",
        "value": "188488.00",
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    ],
    "b_top": [
      {
        "name": "Invesco Private Prime Fund",
        "value": "10825716.74",
        "weight": "0.11934295",
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      },
      {
        "name": "GILEAD SCIENCES INC",
        "value": "7278441.75",
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      {
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      },
      {
        "name": "AMGEN INC",
        "value": "6907695.36",
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      },
      {
        "name": "REGENERON PHARMACEUTICALS INC",
        "value": "4564171.13",
        "weight": "0.05031553",
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      },
      {
        "name": "Invesco Private Government Fund",
        "value": "4201476.69",
        "weight": "0.04631717",
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      },
      {
        "name": "ALNYLAM PHARMACEUTICALS INC",
        "value": "2486912.40",
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      },
      {
        "name": "INSMED INC",
        "value": "1801666.45",
        "weight": "0.01986161",
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      },
      {
        "name": "BIOGEN INC",
        "value": "1591146.90",
        "weight": "0.01754084",
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      },
      {
        "name": "ARGENX SE SPONSORED ADR",
        "value": "1263884.16",
        "weight": "0.01393309",
        "shared": true
      },
      {
        "name": "UNITED THERAPEUTICS CORP DEL",
        "value": "1228004.30",
        "weight": "0.01353755",
        "shared": true
      },
      {
        "name": "MODERNA INC",
        "value": "1184379.13",
        "weight": "0.01305662",
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      },
      {
        "name": "ILLUMINA INC",
        "value": "1162541.16",
        "weight": "0.01281588",
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      },
      {
        "name": "ROIVANT SCIENCES",
        "value": "1139338.86",
        "weight": "0.01256010",
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      },
      {
        "name": "INCYTE CORP",
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        "weight": "0.01240882",
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      },
      {
        "name": "ROYALTY PHARMA-A",
        "value": "1116941.91",
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      {
        "name": "REVOLUTION MEDICINES INC",
        "value": "1115894.76",
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      },
      {
        "name": "VIATRIS INC",
        "value": "973107.54",
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      {
        "name": "Ascendis Pharma A/S",
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      {
        "name": "NEUROCRINE BIOSCIENCES INC",
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      {
        "name": "IONIS PHARMACEUTICALS INC",
        "value": "743577.45",
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      {
        "name": "SANOFI SPON ADR",
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      {
        "name": "BRIDGEBIO PHARMA INC",
        "value": "725828.64",
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      {
        "name": "MEDPACE HOLDINGS INC",
        "value": "719653.68",
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      {
        "name": "SUMMIT THERAPEUTICS INC",
        "value": "699666.66",
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      {
        "name": "GUARDANT HEALTH INC",
        "value": "687254.10",
        "weight": "0.00757630",
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      {
        "name": "BIOMARIN PHARMACEUTICAL INC",
        "value": "671931.05",
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      {
        "name": "EXELIXIS INC",
        "value": "668610.50",
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      {
        "name": "JAZZ PHARMACEUTI",
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      },
      {
        "name": "BIONTECH SE ADR",
        "value": "631176.98",
        "weight": "0.00695811",
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      },
      {
        "name": "BEONE MEDICINES LTD ADR",
        "value": "565510.16",
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      },
      {
        "name": "MADRIGAL PHARMACEUTICALS INC",
        "value": "555984.00",
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      },
      {
        "name": "IMMUNITYBIO INC",
        "value": "546516.18",
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      },
      {
        "name": "TEMPUS AI INC-A",
        "value": "522329.25",
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      },
      {
        "name": "ARROWHEAD PHARMACEUTICALS INC",
        "value": "485660.52",
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      },
      {
        "name": "PRAXIS PRECISION MEDICINES INC",
        "value": "478185.00",
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      },
      {
        "name": "AXSOME THERAPEUTICS INC",
        "value": "466922.61",
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      {
        "name": "HALOZYME THERAPEUTICS INC",
        "value": "463834.63",
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      },
      {
        "name": "VAXCYTE INC",
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      },
      {
        "name": "KRYSTAL BIOTECH INC",
        "value": "453703.44",
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      {
        "name": "CYTOKINETICS INC",
        "value": "428322.48",
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      {
        "name": "NUVALENT INC-A",
        "value": "418096.95",
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      },
      {
        "name": "Abivax SA SPONSORED ADS",
        "value": "404711.36",
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      },
      {
        "name": "ARCELLX INC",
        "value": "372776.04",
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      {
        "name": "KYMERA THERAPEUTICS INC",
        "value": "371520.45",
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      },
      {
        "name": "RHYTHM PHARMACEUTICALS INC",
        "value": "349963.02",
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      },
      {
        "name": "COGENT BIOSCIENCES INC",
        "value": "339471.30",
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      },
      {
        "name": "PROTAGONIST THERAPEUTICS INC",
        "value": "327804.80",
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      },
      {
        "name": "CRISPR Therapeutics A.G. Series A",
        "value": "325778.38",
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      },
      {
        "name": "CARIS LIFE SCIENCES INC",
        "value": "319319.70",
        "weight": "0.00352019",
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    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000940400-26-021488",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1329377/000094040026021488/0000940400-26-021488-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001378872-26-000841",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1378872/000137887226000841/0001378872-26-000841-index.htm"
    }
  ]
}