{
  "page": "compare",
  "query": {
    "a": "FHCIX",
    "b": "SHSSX"
  },
  "retrieved_at": "2026-07-07T16:23:45+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 Health Care Fund",
    "ticker": "FHCIX",
    "slug": "FHCIX",
    "series_id": "S000005329",
    "html_url": "https://fundwatcher.app/funds/FHCIX/"
  },
  "fund_b": {
    "name": "BlackRock Health Sciences Opportunities Portfolio",
    "ticker": "SHSSX",
    "slug": "SHSSX",
    "series_id": "S000001877",
    "html_url": "https://fundwatcher.app/funds/SHSSX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.3912921607769310240697564186",
    "coverage_b_by_a": "0.3912921607769310240697564188",
    "shared_count": 50,
    "as_of": {
      "a": "2026-01-31",
      "b": "2026-02-27"
    },
    "a_top": [
      {
        "name": "BOSTON SCIENTIFIC CORP",
        "value": "231954400.00",
        "weight": "0.06919003",
        "shared": true
      },
      {
        "name": "LILLY ELI and CO",
        "value": "209504300.00",
        "weight": "0.06249335",
        "shared": true
      },
      {
        "name": "DANAHER CORP",
        "value": "203129920.00",
        "weight": "0.06059193",
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      },
      {
        "name": "JOHNSON&JOHNSON",
        "value": "117033750.00",
        "weight": "0.03491017",
        "shared": true
      },
      {
        "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": true
      },
      {
        "name": "UCB SA",
        "value": "84766749.43",
        "weight": "0.02528520",
        "shared": true
      },
      {
        "name": "Ascendis Pharma A/S",
        "value": "83657000.00",
        "weight": "0.02495417",
        "shared": false
      },
      {
        "name": "CVS HEALTH CORP",
        "value": "70794000.00",
        "weight": "0.02111725",
        "shared": true
      },
      {
        "name": "MASIMO CORP",
        "value": "68665000.00",
        "weight": "0.02048219",
        "shared": false
      },
      {
        "name": "EDWARDS LIFESCIENCES CORP",
        "value": "67366080.00",
        "weight": "0.02009473",
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      },
      {
        "name": "VEEVA SYSTEMS-A",
        "value": "62807360.00",
        "weight": "0.01873490",
        "shared": true
      },
      {
        "name": "THERMO FISHER SCIENTIFIC INC",
        "value": "62489880.00",
        "weight": "0.01864020",
        "shared": true
      },
      {
        "name": "ALNYLAM PHARMACEUTICALS INC",
        "value": "56456020.00",
        "weight": "0.01684035",
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      },
      {
        "name": "GILEAD SCIENCES INC",
        "value": "55360500.00",
        "weight": "0.01651357",
        "shared": true
      },
      {
        "name": "UNITEDHEALTH GRP",
        "value": "51647400.00",
        "weight": "0.01540598",
        "shared": true
      },
      {
        "name": "MERCK & CO",
        "value": "50724200.00",
        "weight": "0.01513060",
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      },
      {
        "name": "VIRIDIAN THERAPEUTICS INC",
        "value": "49500000.00",
        "weight": "0.01476543",
        "shared": true
      },
      {
        "name": "COGENT BIOSCIENCES INC",
        "value": "48837600.00",
        "weight": "0.01456784",
        "shared": true
      },
      {
        "name": "PENUMBRA INC",
        "value": "46562100.00",
        "weight": "0.01388908",
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      },
      {
        "name": "MODERNA INC",
        "value": "44951400.00",
        "weight": "0.01340862",
        "shared": true
      },
      {
        "name": "INSULET CORP",
        "value": "44510940.00",
        "weight": "0.01327724",
        "shared": false
      },
      {
        "name": "IQVIA HOLDINGS INC",
        "value": "42807900.00",
        "weight": "0.01276923",
        "shared": true
      },
      {
        "name": "BRIGHTSPRING HEALTH SERVICES INC",
        "value": "42411600.00",
        "weight": "0.01265102",
        "shared": false
      },
      {
        "name": "NUVALENT INC-A",
        "value": "41156000.00",
        "weight": "0.01227649",
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      },
      {
        "name": "INSMED INC",
        "value": "39217500.00",
        "weight": "0.01169825",
        "shared": true
      },
      {
        "name": "LEGEND BIOTECH CORP SPON ADR",
        "value": "35916720.00",
        "weight": "0.01071365",
        "shared": false
      },
      {
        "name": "CRINETICS PHARMACEUTICALS INC",
        "value": "34458600.00",
        "weight": "0.01027871",
        "shared": false
      },
      {
        "name": "ROCHE HOLDINGS AG (GENUSSCHEINE)",
        "value": "34105494.47",
        "weight": "0.01017338",
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      },
      {
        "name": "WAYSTAR HOLDING CORP",
        "value": "33996800.00",
        "weight": "0.01014096",
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      },
      {
        "name": "MCKESSON CORP",
        "value": "33248400.00",
        "weight": "0.00991772",
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      },
      {
        "name": "CARIS LIFE SCIENCES INC",
        "value": "32887200.00",
        "weight": "0.00980997",
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      },
      {
        "name": "ROYALTY PHARMA PLC",
        "value": "31676800.00",
        "weight": "0.00944892",
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      },
      {
        "name": "STRUCTURE THERAPEUTICS INC ADR",
        "value": "30957500.00",
        "weight": "0.00923436",
        "shared": false
      },
      {
        "name": "VAXCYTE INC",
        "value": "29999200.00",
        "weight": "0.00894851",
        "shared": true
      },
      {
        "name": "REPLIGEN CORP",
        "value": "29874000.00",
        "weight": "0.00891116",
        "shared": true
      },
      {
        "name": "STRYKER CORP",
        "value": "29564800.00",
        "weight": "0.00881893",
        "shared": true
      },
      {
        "name": "XENON PHARMACEUTICALS INC",
        "value": "28296900.00",
        "weight": "0.00844073",
        "shared": false
      },
      {
        "name": "DISC MEDICINE INC",
        "value": "28221800.00",
        "weight": "0.00841832",
        "shared": true
      },
      {
        "name": "PRIVIA HEALTH GROUP INC",
        "value": "27399600.00",
        "weight": "0.00817307",
        "shared": false
      },
      {
        "name": "INTUITIVE SURGICAL INC",
        "value": "26622816.00",
        "weight": "0.00794136",
        "shared": true
      },
      {
        "name": "PRAXIS PRECISION MEDICINES INC",
        "value": "25748000.00",
        "weight": "0.00768041",
        "shared": false
      },
      {
        "name": "ALIGNMENT HEALTHCARE INC",
        "value": "25233600.00",
        "weight": "0.00752697",
        "shared": false
      },
      {
        "name": "MEDLINE INC-A",
        "value": "24752000.00",
        "weight": "0.00738331",
        "shared": true
      },
      {
        "name": "BIONTECH SE ADR",
        "value": "23660000.00",
        "weight": "0.00705758",
        "shared": true
      },
      {
        "name": "CG ONCOLOGY INC",
        "value": "22277400.00",
        "weight": "0.00664516",
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      },
      {
        "name": "CENTESSA PHARMACEUTICALS LTD ADR",
        "value": "20884500.00",
        "weight": "0.00622967",
        "shared": false
      },
      {
        "name": "ORUKA THERAPEUTICS INC",
        "value": "20538000.00",
        "weight": "0.00612631",
        "shared": true
      },
      {
        "name": "10X GENOMICS INC",
        "value": "20200000.00",
        "weight": "0.00602549",
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      }
    ],
    "b_top": [
      {
        "name": "LILLY ELI and CO",
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      },
      {
        "name": "JOHNSON&JOHNSON",
        "value": "667862070.33",
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      },
      {
        "name": "ABBVIE INC",
        "value": "268679016.00",
        "weight": "0.04085091",
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      },
      {
        "name": "GILEAD SCIENCES INC",
        "value": "258640056.90",
        "weight": "0.03932455",
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      },
      {
        "name": "MERCK & CO",
        "value": "231767018.92",
        "weight": "0.03523868",
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      },
      {
        "name": "AMGEN INC",
        "value": "228299409.28",
        "weight": "0.03471145",
        "shared": false
      },
      {
        "name": "UNITEDHEALTH GRP",
        "value": "198810958.97",
        "weight": "0.03022792",
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      },
      {
        "name": "INTUITIVE SURGICAL INC",
        "value": "160645369.01",
        "weight": "0.02442509",
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      },
      {
        "name": "ABBOTT LABS",
        "value": "158456366.90",
        "weight": "0.02409227",
        "shared": false
      },
      {
        "name": "DANAHER CORP",
        "value": "150858682.88",
        "weight": "0.02293709",
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      },
      {
        "name": "THERMO FISHER SCIENTIFIC INC",
        "value": "148665387.46",
        "weight": "0.02260361",
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      },
      {
        "name": "EDWARDS LIFESCIENCES CORP",
        "value": "147948008.25",
        "weight": "0.02249454",
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      },
      {
        "name": "VERTEX PHARMACEUTICALS INC",
        "value": "135792581.94",
        "weight": "0.02064639",
        "shared": false
      },
      {
        "name": "MEDTRONIC PLC",
        "value": "130504913.54",
        "weight": "0.01984243",
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      },
      {
        "name": "STRYKER CORP",
        "value": "129051689.66",
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      },
      {
        "name": "TEVA PHARMACEUTICAL IND ADR",
        "value": "117666648.98",
        "weight": "0.01789045",
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      },
      {
        "name": "CENCORA INC",
        "value": "98937140.40",
        "weight": "0.01504275",
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      },
      {
        "name": "BOSTON SCIENTIFIC CORP",
        "value": "98703219.70",
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        "shared": true
      },
      {
        "name": "ASTRAZENECA PLC",
        "value": "94646702.97",
        "weight": "0.01439042",
        "shared": false
      },
      {
        "name": "ARGENX SE SPONSORED ADR",
        "value": "93058072.80",
        "weight": "0.01414888",
        "shared": true
      },
      {
        "name": "MCKESSON CORP",
        "value": "78655868.94",
        "weight": "0.01195912",
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      },
      {
        "name": "ROCHE HOLDINGS AG (GENUSSCHEINE)",
        "value": "70333000.39",
        "weight": "0.01069368",
        "shared": true
      },
      {
        "name": "BIOGEN INC",
        "value": "69858542.16",
        "weight": "0.01062154",
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      },
      {
        "name": "ALNYLAM PHARMACEUTICALS INC",
        "value": "68964045.08",
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      {
        "name": "REGENERON PHARMACEUTICALS INC",
        "value": "68520410.53",
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      },
      {
        "name": "BRISTOL-MYERS SQUIBB CO",
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      },
      {
        "name": "HCA HEALTHCARE INC",
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      },
      {
        "name": "BlackRock Cash Funds: Institutional, SL Agency Shares",
        "value": "57464138.82",
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      },
      {
        "name": "EXACT SCIENCES CORP",
        "value": "56659373.22",
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      },
      {
        "name": "RHYTHM PHARMACEUTICALS INC",
        "value": "49962274.89",
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      },
      {
        "name": "IDEXX LABS INC",
        "value": "49005849.33",
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        "shared": false
      },
      {
        "name": "DEXCOM INC",
        "value": "48740557.67",
        "weight": "0.00741069",
        "shared": false
      },
      {
        "name": "PENUMBRA INC",
        "value": "45878258.24",
        "weight": "0.00697549",
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      },
      {
        "name": "INSMED INC",
        "value": "45001043.49",
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      },
      {
        "name": "Novartis AG",
        "value": "42434909.20",
        "weight": "0.00645195",
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      },
      {
        "name": "INCYTE CORP",
        "value": "40120540.98",
        "weight": "0.00610007",
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      },
      {
        "name": "MEDLINE INC-A",
        "value": "40030643.23",
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      },
      {
        "name": "WATERS CORP",
        "value": "39746521.62",
        "weight": "0.00604320",
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      },
      {
        "name": "BLKR-LIQ T-INS",
        "value": "34195870.35",
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      },
      {
        "name": "PROTAGONIST THERAPEUTICS INC",
        "value": "34107168.64",
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      },
      {
        "name": "AGILENT TECHNOLOGIES INC",
        "value": "32922989.82",
        "weight": "0.00500573",
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      },
      {
        "name": "PFIZER INC",
        "value": "32754798.30",
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      },
      {
        "name": "NUVALENT INC-A",
        "value": "32199989.95",
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      },
      {
        "name": "COGENT BIOSCIENCES INC",
        "value": "31873278.15",
        "weight": "0.00484613",
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      },
      {
        "name": "GUARDANT HEALTH INC",
        "value": "31612843.50",
        "weight": "0.00480653",
        "shared": true
      },
      {
        "name": "REVOLUTION MEDICINES INC",
        "value": "30911549.90",
        "weight": "0.00469990",
        "shared": true
      },
      {
        "name": "MODERNA INC",
        "value": "30042002.43",
        "weight": "0.00456769",
        "shared": true
      },
      {
        "name": "GALDERMA GROUP A",
        "value": "28935096.50",
        "weight": "0.00439939",
        "shared": false
      },
      {
        "name": "CVS HEALTH CORP",
        "value": "28706631.80",
        "weight": "0.00436466",
        "shared": true
      },
      {
        "name": "ELEVANCE HEALTH INC",
        "value": "28353600.00",
        "weight": "0.00431098",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "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"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000940400-26-014709",
      "as_of": "2026-02-27",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/844779/000094040026014709/0000940400-26-014709-index.htm"
    }
  ]
}