{
  "page": "compare",
  "query": {
    "a": "FBTIX",
    "b": "FBDIX"
  },
  "retrieved_at": "2026-07-07T17:28:39+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": "Fidelity Advisor Biotechnology Fund",
    "ticker": "FBTIX",
    "slug": "FBTIX",
    "series_id": "S000005321",
    "html_url": "https://fundwatcher.app/funds/FBTIX/"
  },
  "fund_b": {
    "name": "Franklin Biotechnology Discovery Fund",
    "ticker": "FBDIX",
    "slug": "FBDIX",
    "series_id": "S000006882",
    "html_url": "https://fundwatcher.app/funds/FBDIX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.3325270510195214967295933979",
    "coverage_b_by_a": "0.3325270510195214967295933982",
    "shared_count": 24,
    "as_of": {
      "a": "2026-01-31",
      "b": "2026-01-31"
    },
    "a_top": [
      {
        "name": "ABBVIE INC",
        "value": "309890235.80",
        "weight": "0.16044894",
        "shared": false
      },
      {
        "name": "GILEAD SCIENCES INC",
        "value": "122658995.00",
        "weight": "0.06350799",
        "shared": true
      },
      {
        "name": "ALNYLAM PHARMACEUTICALS INC",
        "value": "93705499.16",
        "weight": "0.04851701",
        "shared": true
      },
      {
        "name": "Ascendis Pharma A/S",
        "value": "83798312.50",
        "weight": "0.04338746",
        "shared": true
      },
      {
        "name": "COGENT BIOSCIENCES INC",
        "value": "71404090.38",
        "weight": "0.03697022",
        "shared": false
      },
      {
        "name": "ARGENX SE SPONSORED ADR",
        "value": "68080500.00",
        "weight": "0.03524940",
        "shared": true
      },
      {
        "name": "Fidelity Securities Lending Cash Central Fund",
        "value": "66944838.29",
        "weight": "0.03466140",
        "shared": false
      },
      {
        "name": "INSMED INC",
        "value": "64677501.00",
        "weight": "0.03348746",
        "shared": true
      },
      {
        "name": "VIRIDIAN THERAPEUTICS INC",
        "value": "58821312.00",
        "weight": "0.03045535",
        "shared": false
      },
      {
        "name": "BIOGEN INC",
        "value": "52905649.00",
        "weight": "0.02739246",
        "shared": false
      },
      {
        "name": "AMGEN INC",
        "value": "51522341.64",
        "weight": "0.02667624",
        "shared": true
      },
      {
        "name": "VAXCYTE INC",
        "value": "42659344.53",
        "weight": "0.02208733",
        "shared": false
      },
      {
        "name": "STRUCTURE THERAPEUTICS INC ADR",
        "value": "42562140.00",
        "weight": "0.02203700",
        "shared": true
      },
      {
        "name": "NUVALENT INC-A",
        "value": "42417842.96",
        "weight": "0.02196229",
        "shared": true
      },
      {
        "name": "DIANTHUS THERAPEUTICS INC",
        "value": "38978010.18",
        "weight": "0.02018128",
        "shared": true
      },
      {
        "name": "AMYLYX PHARMACEUTICALS INC",
        "value": "34770428.00",
        "weight": "0.01800276",
        "shared": true
      },
      {
        "name": "MODERNA INC",
        "value": "29716401.00",
        "weight": "0.01538598",
        "shared": false
      },
      {
        "name": "APOGEE THERAPEUTICS INC",
        "value": "29652380.89",
        "weight": "0.01535283",
        "shared": true
      },
      {
        "name": "XENON PHARMACEUTICALS INC",
        "value": "29148185.58",
        "weight": "0.01509178",
        "shared": true
      },
      {
        "name": "CRINETICS PHARMACEUTICALS INC",
        "value": "27190831.80",
        "weight": "0.01407834",
        "shared": false
      },
      {
        "name": "PRAXIS PRECISION MEDICINES INC",
        "value": "27129600.00",
        "weight": "0.01404664",
        "shared": true
      },
      {
        "name": "SCHOLAR ROCK HOLDING CORP",
        "value": "25822197.12",
        "weight": "0.01336971",
        "shared": false
      },
      {
        "name": "ORUKA THERAPEUTICS INC",
        "value": "24330204.78",
        "weight": "0.01259722",
        "shared": true
      },
      {
        "name": "SPYRE THERAPEUTICS INC",
        "value": "23963957.16",
        "weight": "0.01240759",
        "shared": true
      },
      {
        "name": "UCB SA",
        "value": "22947570.03",
        "weight": "0.01188135",
        "shared": false
      },
      {
        "name": "UNIQURE N.V.",
        "value": "22529152.00",
        "weight": "0.01166471",
        "shared": true
      },
      {
        "name": "UPSTREAM BIO INC",
        "value": "21476373.24",
        "weight": "0.01111962",
        "shared": false
      },
      {
        "name": "ROIVANT SCIENCES LTD",
        "value": "21105444.00",
        "weight": "0.01092757",
        "shared": false
      },
      {
        "name": "NATERA INC",
        "value": "20663916.00",
        "weight": "0.01069896",
        "shared": false
      },
      {
        "name": "OLEMA PHARMACEUTICALS INC",
        "value": "20133616.00",
        "weight": "0.01042439",
        "shared": true
      },
      {
        "name": "VIKING THERAPEUTICS INC",
        "value": "18800118.48",
        "weight": "0.00973396",
        "shared": false
      },
      {
        "name": "NEWAMSTERDAM PHARMA COMPANY NV",
        "value": "18248768.00",
        "weight": "0.00944849",
        "shared": true
      },
      {
        "name": "CYTOKINETICS INC",
        "value": "17887256.49",
        "weight": "0.00926132",
        "shared": true
      },
      {
        "name": "KYMERA THERAPEUTICS INC",
        "value": "16842273.00",
        "weight": "0.00872026",
        "shared": false
      },
      {
        "name": "JADE BIOSCIENCES INC",
        "value": "13960694.23",
        "weight": "0.00722830",
        "shared": false
      },
      {
        "name": "CG ONCOLOGY INC",
        "value": "12955245.00",
        "weight": "0.00670771",
        "shared": true
      },
      {
        "name": "RHYTHM PHARMACEUTICALS INC",
        "value": "12938024.00",
        "weight": "0.00669880",
        "shared": false
      },
      {
        "name": "ENLIVEN THERAPEUTICS INC",
        "value": "12544229.90",
        "weight": "0.00649491",
        "shared": false
      },
      {
        "name": "ZENAS BIOPHARMA INC",
        "value": "11560534.92",
        "weight": "0.00598559",
        "shared": false
      },
      {
        "name": "DISC MEDICINE INC",
        "value": "11004337.04",
        "weight": "0.00569761",
        "shared": false
      },
      {
        "name": "ARCELLX INC",
        "value": "9761499.00",
        "weight": "0.00505412",
        "shared": false
      },
      {
        "name": "STOKE THERAPEUTICS INC",
        "value": "9639018.00",
        "weight": "0.00499070",
        "shared": false
      },
      {
        "name": "SONOMA BIOTHERAPEUTICS INC SER B PFD PP",
        "value": "9439952.72",
        "weight": "0.00488764",
        "shared": false
      },
      {
        "name": "TRAVERE THERAPEUTICS INC",
        "value": "9364308.00",
        "weight": "0.00484847",
        "shared": false
      },
      {
        "name": "MINERALYS THERAPEUTICS INC",
        "value": "8241452.00",
        "weight": "0.00426710",
        "shared": true
      },
      {
        "name": "CYTOMX THERAPEUTICS INC",
        "value": "7682928.19",
        "weight": "0.00397792",
        "shared": false
      },
      {
        "name": "ANAPTYSBIO INC",
        "value": "7035644.00",
        "weight": "0.00364278",
        "shared": false
      },
      {
        "name": "SOLENO THERAPEUTICS INC",
        "value": "6979360.00",
        "weight": "0.00361364",
        "shared": true
      },
      {
        "name": "CELLDEX THERAPEUTICS INC",
        "value": "6781039.20",
        "weight": "0.00351095",
        "shared": false
      },
      {
        "name": "REZOLUTE INC",
        "value": "6630234.00",
        "weight": "0.00343287",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "GILEAD SCIENCES INC",
        "value": "62977962.85",
        "weight": "0.05994834",
        "shared": true
      },
      {
        "name": "AMGEN INC",
        "value": "49045421.04",
        "weight": "0.04668604",
        "shared": true
      },
      {
        "name": "VERTEX PHARMACEUTICALS INC",
        "value": "48000285.00",
        "weight": "0.04569118",
        "shared": false
      },
      {
        "name": "JAZZ PHARMA PLC",
        "value": "46562677.77",
        "weight": "0.04432273",
        "shared": false
      },
      {
        "name": "REGENERON PHARMACEUTICALS INC",
        "value": "45242537.55",
        "weight": "0.04306610",
        "shared": false
      },
      {
        "name": "ARGENX SE SPONSORED ADR",
        "value": "41152561.00",
        "weight": "0.03917287",
        "shared": true
      },
      {
        "name": "Franklin Institutional U.S. Government Money Market Fund",
        "value": "35318834.25",
        "weight": "0.03361978",
        "shared": false
      },
      {
        "name": "PRAXIS PRECISION MEDICINES INC",
        "value": "32874544.00",
        "weight": "0.03129308",
        "shared": true
      },
      {
        "name": "INSMED INC",
        "value": "29590858.71",
        "weight": "0.02816736",
        "shared": true
      },
      {
        "name": "Ascendis Pharma A/S",
        "value": "29334666.20",
        "weight": "0.02792349",
        "shared": true
      },
      {
        "name": "GUARDANT HEALTH INC",
        "value": "28394249.40",
        "weight": "0.02702831",
        "shared": false
      },
      {
        "name": "PTC THERAPEUTICS INC",
        "value": "27910374.31",
        "weight": "0.02656772",
        "shared": false
      },
      {
        "name": "TERNS PHARMACEUTICALS INC",
        "value": "26660753.20",
        "weight": "0.02537821",
        "shared": false
      },
      {
        "name": "ALNYLAM PHARMACEUTICALS INC",
        "value": "22618918.48",
        "weight": "0.02153081",
        "shared": true
      },
      {
        "name": "MIRUM PHARMACEUTICALS INC",
        "value": "22211911.80",
        "weight": "0.02114338",
        "shared": false
      },
      {
        "name": "STRUCTURE THERAPEUTICS INC ADR",
        "value": "20127947.35",
        "weight": "0.01915967",
        "shared": true
      },
      {
        "name": "REVOLUTION MEDICINES INC",
        "value": "19625588.50",
        "weight": "0.01868148",
        "shared": false
      },
      {
        "name": "MINERALYS THERAPEUTICS INC",
        "value": "19251852.71",
        "weight": "0.01832572",
        "shared": true
      },
      {
        "name": "ASTRAZENECA PLC SPONS ADR",
        "value": "19023601.74",
        "weight": "0.01810845",
        "shared": false
      },
      {
        "name": "NEUROCRINE BIOSCIENCES INC",
        "value": "18405244.38",
        "weight": "0.01751984",
        "shared": false
      },
      {
        "name": "Abivax SA SPONSORED ADS",
        "value": "18294289.65",
        "weight": "0.01741422",
        "shared": false
      },
      {
        "name": "EYEPOINT PHARMACEUTICALS INC",
        "value": "17159786.80",
        "weight": "0.01633430",
        "shared": false
      },
      {
        "name": "IONIS PHARMACEUTICALS INC",
        "value": "16980418.00",
        "weight": "0.01616356",
        "shared": false
      },
      {
        "name": "BRIDGEBIO PHARMA INC",
        "value": "16061187.66",
        "weight": "0.01528855",
        "shared": false
      },
      {
        "name": "CENTESSA PHARMACEUTICALS LTD ADR",
        "value": "15090034.05",
        "weight": "0.01436411",
        "shared": true
      },
      {
        "name": "LILLY ELI and CO",
        "value": "14593737.65",
        "weight": "0.01389169",
        "shared": false
      },
      {
        "name": "OLEMA PHARMACEUTICALS INC",
        "value": "14409115.60",
        "weight": "0.01371595",
        "shared": true
      },
      {
        "name": "ARCUTIS BIOTHERAPEUTICS INC",
        "value": "12828365.87",
        "weight": "0.01221124",
        "shared": false
      },
      {
        "name": "SPYRE THERAPEUTICS INC",
        "value": "12673066.38",
        "weight": "0.01206342",
        "shared": true
      },
      {
        "name": "BENITEC BIOPHARMA INC",
        "value": "12120951.36",
        "weight": "0.01153786",
        "shared": false
      },
      {
        "name": "SYNDAX PHARMACEUTICALS INC",
        "value": "11775494.28",
        "weight": "0.01120902",
        "shared": false
      },
      {
        "name": "CG ONCOLOGY INC",
        "value": "11528086.05",
        "weight": "0.01097352",
        "shared": true
      },
      {
        "name": "ORUKA THERAPEUTICS INC",
        "value": "11501074.62",
        "weight": "0.01094780",
        "shared": true
      },
      {
        "name": "DIANTHUS THERAPEUTICS INC",
        "value": "10841533.57",
        "weight": "0.01031999",
        "shared": true
      },
      {
        "name": "CONTINEUM THERAPEUTICS INC CL A",
        "value": "9641485.46",
        "weight": "0.00917767",
        "shared": false
      },
      {
        "name": "DYNE THERAPEUTICS INC",
        "value": "9289060.48",
        "weight": "0.00884220",
        "shared": false
      },
      {
        "name": "ARS PHARMACEUTICALS INC",
        "value": "9009081.90",
        "weight": "0.00857569",
        "shared": false
      },
      {
        "name": "Franklin Institutional US Government Money Market Fund",
        "value": "8793092.76",
        "weight": "0.00837009",
        "shared": false
      },
      {
        "name": "NUVALENT INC-A",
        "value": "7771796.15",
        "weight": "0.00739793",
        "shared": true
      },
      {
        "name": "SOLENO THERAPEUTICS INC",
        "value": "6998755.68",
        "weight": "0.00666207",
        "shared": true
      },
      {
        "name": "ACHIEVE LIFE SCIENCES INC",
        "value": "6586350.76",
        "weight": "0.00626951",
        "shared": false
      },
      {
        "name": "BICARA THERAPEUTICS INC",
        "value": "6508353.60",
        "weight": "0.00619526",
        "shared": false
      },
      {
        "name": "AMYLYX PHARMACEUTICALS INC",
        "value": "6286428.22",
        "weight": "0.00598401",
        "shared": true
      },
      {
        "name": "ALTO NEUROSCIENCE INC",
        "value": "6273657.00",
        "weight": "0.00597186",
        "shared": false
      },
      {
        "name": "UNIQURE N.V.",
        "value": "6148940.80",
        "weight": "0.00585314",
        "shared": true
      },
      {
        "name": "NEWAMSTERDAM PHARMA COMPANY NV",
        "value": "5842033.12",
        "weight": "0.00556100",
        "shared": true
      },
      {
        "name": "TANGO THERAPEUTICS INC",
        "value": "5710773.24",
        "weight": "0.00543605",
        "shared": true
      },
      {
        "name": "INVENTIVA SA UNSPON ADR",
        "value": "5593280.00",
        "weight": "0.00532421",
        "shared": false
      },
      {
        "name": "APOGEE THERAPEUTICS INC",
        "value": "5420100.87",
        "weight": "0.00515936",
        "shared": true
      },
      {
        "name": "ORIC PHARMACEUTICALS INC",
        "value": "5381564.94",
        "weight": "0.00512268",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000035402-26-001936",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/315700/000003540226001936/0000035402-26-001936-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0002071691-26-007599",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/872625/000207169126007599/0002071691-26-007599-index.htm"
    }
  ]
}