{
  "page": "compare",
  "query": {
    "a": "AHSZX",
    "b": "FACDX"
  },
  "retrieved_at": "2026-07-07T18:01:08+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": "ALGER HEALTH SCIENCES FUND",
    "ticker": "AHSZX",
    "slug": "AHSZX",
    "series_id": "S000009164",
    "html_url": "https://fundwatcher.app/funds/AHSZX/"
  },
  "fund_b": {
    "name": "Fidelity Advisor Health Care Fund",
    "ticker": "FACDX",
    "slug": "FACDX",
    "series_id": "S000005329",
    "html_url": "https://fundwatcher.app/funds/FACDX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.2579834318182029757124421008",
    "coverage_b_by_a": "0.2579834318182029757124421009",
    "shared_count": 22,
    "as_of": {
      "a": "2026-01-30",
      "b": "2026-01-31"
    },
    "a_top": [
      {
        "name": "FORTE BIOSCIENCES INC",
        "value": "3539269.86",
        "weight": "0.05491321",
        "shared": false
      },
      {
        "name": "TEVA PHARMACEUTICAL IND ADR",
        "value": "3052034.40",
        "weight": "0.04735356",
        "shared": false
      },
      {
        "name": "IMPULSE DYNAMICS IRELAND",
        "value": "2963423.54",
        "weight": "0.04597872",
        "shared": false
      },
      {
        "name": "LILLY ELI and CO",
        "value": "2958988.95",
        "weight": "0.04590992",
        "shared": true
      },
      {
        "name": "CARDINAL HEALTH INC",
        "value": "2925806.08",
        "weight": "0.04539507",
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      },
      {
        "name": "BIOGEN INC",
        "value": "2503709.02",
        "weight": "0.03884606",
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      },
      {
        "name": "ASTRAZENECA PLC SPONS ADR",
        "value": "2445417.20",
        "weight": "0.03794164",
        "shared": false
      },
      {
        "name": "CENTENE CORP",
        "value": "2327237.04",
        "weight": "0.03610803",
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      },
      {
        "name": "ARROWHEAD PHARMACEUTICALS INC",
        "value": "2283591.54",
        "weight": "0.03543085",
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      },
      {
        "name": "JOHNSON&JOHNSON",
        "value": "2128878.00",
        "weight": "0.03303041",
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      },
      {
        "name": "MODERNA INC",
        "value": "2022063.81",
        "weight": "0.03137314",
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      },
      {
        "name": "GUARDANT HEALTH INC",
        "value": "1963768.80",
        "weight": "0.03046867",
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      },
      {
        "name": "SANDOZ GROUP AG",
        "value": "1944836.12",
        "weight": "0.03017492",
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      },
      {
        "name": "ABBVIE INC",
        "value": "1906289.48",
        "weight": "0.02957686",
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      },
      {
        "name": "REPLIGEN CORP",
        "value": "1547174.46",
        "weight": "0.02400504",
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      },
      {
        "name": "CVS HEALTH CORP",
        "value": "1516929.12",
        "weight": "0.02353577",
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      },
      {
        "name": "NATERA INC",
        "value": "1492239.84",
        "weight": "0.02315271",
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      },
      {
        "name": "WUXI APPTEC CO LTD H",
        "value": "1416047.21",
        "weight": "0.02197055",
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      },
      {
        "name": "ICU MEDICAL INC",
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      },
      {
        "name": "REVOLUTION MEDICINES INC",
        "value": "1371454.70",
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      },
      {
        "name": "ROIVANT SCIENCES LTD",
        "value": "1237463.94",
        "weight": "0.01919976",
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      },
      {
        "name": "BROOKDALE SR",
        "value": "1188960.00",
        "weight": "0.01844720",
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      },
      {
        "name": "INTEGER HOLDINGS CORP",
        "value": "1090179.86",
        "weight": "0.01691458",
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      },
      {
        "name": "Abivax SA SPONSORED ADS",
        "value": "1082378.70",
        "weight": "0.01679355",
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      },
      {
        "name": "GILEAD SCIENCES INC",
        "value": "1025020.95",
        "weight": "0.01590362",
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      },
      {
        "name": "ADAPTIVE BIOTECHNOLOGIES CORP",
        "value": "1021255.50",
        "weight": "0.01584519",
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      },
      {
        "name": "CORVUS PHARMACEUTICALS INC",
        "value": "1006206.30",
        "weight": "0.01561170",
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      },
      {
        "name": "UNITED THERAPEUTICS CORP DEL",
        "value": "981703.59",
        "weight": "0.01523153",
        "shared": false
      },
      {
        "name": "COGENT BIOSCIENCES INC",
        "value": "904932.00",
        "weight": "0.01404039",
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      },
      {
        "name": "BELITE BIO INC ADR",
        "value": "766415.00",
        "weight": "0.01189124",
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      },
      {
        "name": "VIRIDIAN THERAPEUTICS INC",
        "value": "702801.00",
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      },
      {
        "name": "MCKESSON CORP",
        "value": "691566.72",
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      },
      {
        "name": "NEKTAR THERAPEUTICS",
        "value": "687207.97",
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      {
        "name": "LIGAND PHARMACEUTICALS",
        "value": "642574.50",
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      },
      {
        "name": "NUVALENT INC-A",
        "value": "638741.12",
        "weight": "0.00991033",
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      },
      {
        "name": "HEARTFLOW INC",
        "value": "638321.90",
        "weight": "0.00990382",
        "shared": false
      },
      {
        "name": "THERMO FISHER SCIENTIFIC INC",
        "value": "637628.22",
        "weight": "0.00989306",
        "shared": true
      },
      {
        "name": "TWIST BIOSCIENCE CORP",
        "value": "612353.70",
        "weight": "0.00950092",
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      },
      {
        "name": "TRAVERE THERAPEUTICS INC",
        "value": "609270.73",
        "weight": "0.00945308",
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      },
      {
        "name": "10X GENOMICS INC",
        "value": "602465.00",
        "weight": "0.00934749",
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      },
      {
        "name": "BRUKER CORP",
        "value": "601502.49",
        "weight": "0.00933256",
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      },
      {
        "name": "TERNS PHARMACEUTICALS INC",
        "value": "574706.00",
        "weight": "0.00891680",
        "shared": false
      },
      {
        "name": "CYTOKINETICS INC",
        "value": "521254.31",
        "weight": "0.00808747",
        "shared": true
      },
      {
        "name": "INTUITIVE SURGICAL INC",
        "value": "462369.74",
        "weight": "0.00717385",
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      },
      {
        "name": "UNIQURE N.V.",
        "value": "436087.68",
        "weight": "0.00676608",
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      },
      {
        "name": "OSCAR HEALTH INC - CLASS A",
        "value": "425506.20",
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      },
      {
        "name": "Short-Term Investment",
        "value": "350611.50",
        "weight": "0.00543988",
        "shared": false
      },
      {
        "name": "TENET HEALTHCARE CORP",
        "value": "201772.48",
        "weight": "0.00313058",
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      },
      {
        "name": "BOSTON SCIENTIFIC CORP",
        "value": "166483.40",
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      },
      {
        "name": "WELLTOWER INC",
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    ],
    "b_top": [
      {
        "name": "BOSTON SCIENTIFIC CORP",
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      },
      {
        "name": "LILLY ELI and CO",
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      },
      {
        "name": "DANAHER CORP",
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      {
        "name": "JOHNSON&JOHNSON",
        "value": "117033750.00",
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      {
        "name": "Fidelity Securities Lending Cash Central Fund",
        "value": "101416294.50",
        "weight": "0.03025162",
        "shared": false
      },
      {
        "name": "ABBVIE INC",
        "value": "98124400.00",
        "weight": "0.02926968",
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      },
      {
        "name": "ARGENX SE SPONSORED ADR",
        "value": "91614500.00",
        "weight": "0.02732783",
        "shared": false
      },
      {
        "name": "UCB SA",
        "value": "84766749.43",
        "weight": "0.02528520",
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      },
      {
        "name": "Ascendis Pharma A/S",
        "value": "83657000.00",
        "weight": "0.02495417",
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      },
      {
        "name": "CVS HEALTH CORP",
        "value": "70794000.00",
        "weight": "0.02111725",
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      },
      {
        "name": "MASIMO CORP",
        "value": "68665000.00",
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      },
      {
        "name": "EDWARDS LIFESCIENCES CORP",
        "value": "67366080.00",
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      },
      {
        "name": "VEEVA SYSTEMS-A",
        "value": "62807360.00",
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      },
      {
        "name": "THERMO FISHER SCIENTIFIC INC",
        "value": "62489880.00",
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      },
      {
        "name": "ALNYLAM PHARMACEUTICALS INC",
        "value": "56456020.00",
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      {
        "name": "GILEAD SCIENCES INC",
        "value": "55360500.00",
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      },
      {
        "name": "UNITEDHEALTH GRP",
        "value": "51647400.00",
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      {
        "name": "MERCK & CO",
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      {
        "name": "VIRIDIAN THERAPEUTICS INC",
        "value": "49500000.00",
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      {
        "name": "COGENT BIOSCIENCES INC",
        "value": "48837600.00",
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      {
        "name": "PENUMBRA INC",
        "value": "46562100.00",
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      {
        "name": "MODERNA INC",
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      {
        "name": "INSULET CORP",
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      },
      {
        "name": "IQVIA HOLDINGS INC",
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        "name": "NUVALENT INC-A",
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      {
        "name": "INSMED INC",
        "value": "39217500.00",
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      },
      {
        "name": "LEGEND BIOTECH CORP SPON ADR",
        "value": "35916720.00",
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      {
        "name": "CRINETICS PHARMACEUTICALS INC",
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      {
        "name": "ROCHE HOLDINGS AG (GENUSSCHEINE)",
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        "name": "WAYSTAR HOLDING CORP",
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      {
        "name": "MCKESSON CORP",
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      },
      {
        "name": "CARIS LIFE SCIENCES INC",
        "value": "32887200.00",
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      {
        "name": "ROYALTY PHARMA PLC",
        "value": "31676800.00",
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      },
      {
        "name": "STRUCTURE THERAPEUTICS INC ADR",
        "value": "30957500.00",
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      },
      {
        "name": "VAXCYTE INC",
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      },
      {
        "name": "REPLIGEN CORP",
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      },
      {
        "name": "STRYKER CORP",
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      },
      {
        "name": "XENON PHARMACEUTICALS INC",
        "value": "28296900.00",
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      },
      {
        "name": "DISC MEDICINE INC",
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      },
      {
        "name": "PRIVIA HEALTH GROUP INC",
        "value": "27399600.00",
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      },
      {
        "name": "INTUITIVE SURGICAL INC",
        "value": "26622816.00",
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      },
      {
        "name": "PRAXIS PRECISION MEDICINES INC",
        "value": "25748000.00",
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      },
      {
        "name": "ALIGNMENT HEALTHCARE INC",
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      },
      {
        "name": "MEDLINE INC-A",
        "value": "24752000.00",
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      },
      {
        "name": "BIONTECH SE ADR",
        "value": "23660000.00",
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      },
      {
        "name": "CG ONCOLOGY INC",
        "value": "22277400.00",
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      },
      {
        "name": "CENTESSA PHARMACEUTICALS LTD ADR",
        "value": "20884500.00",
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      },
      {
        "name": "ORUKA THERAPEUTICS INC",
        "value": "20538000.00",
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      },
      {
        "name": "10X GENOMICS INC",
        "value": "20200000.00",
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    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000940400-26-011716",
      "as_of": "2026-01-30",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/3521/000094040026011716/0000940400-26-011716-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000035402-26-001918",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/315700/000003540226001918/0000035402-26-001918-index.htm"
    }
  ]
}