{
  "page": "compare",
  "query": {
    "a": "IXJ",
    "b": "SHSSX"
  },
  "retrieved_at": "2026-07-07T16:43:06+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": "iShares Global Healthcare ETF",
    "ticker": "IXJ",
    "slug": "IXJ",
    "series_id": "S000004372",
    "html_url": "https://fundwatcher.app/funds/IXJ/"
  },
  "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": "0.5944328032463740278940422022",
    "coverage_b_by_a": "0.5944328032463740278940422022",
    "shared_count": 47,
    "as_of": {
      "a": "2026-03-31",
      "b": "2026-02-27"
    },
    "a_top": [
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      },
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      },
      {
        "name": "ABBVIE INC",
        "value": "180516047.53",
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      },
      {
        "name": "ASTRAZENECA PLC",
        "value": "145768187.22",
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      },
      {
        "name": "MERCK & CO",
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      },
      {
        "name": "Novartis AG (Registered)",
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      },
      {
        "name": "ROCHE HOLDING AG",
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      },
      {
        "name": "UNITEDHEALTH GRP",
        "value": "117814615.41",
        "weight": "0.03242087",
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      },
      {
        "name": "AMGEN INC",
        "value": "91068279.95",
        "weight": "0.02506067",
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      },
      {
        "name": "THERMO FISHER SCIENTIFIC INC",
        "value": "88764911.17",
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      },
      {
        "name": "ABBOTT LABS",
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      },
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        "name": "GILEAD SCIENCES INC",
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      },
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        "name": "INTUITIVE SURGICAL INC",
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      },
      {
        "name": "PFIZER INC",
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      },
      {
        "name": "BRISTOL-MYERS SQUIBB CO",
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      },
      {
        "name": "DANAHER CORP",
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      },
      {
        "name": "NOVO NORDISK-B",
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      {
        "name": "VERTEX PHARMACEUTICALS INC",
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      },
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        "name": "STRYKER CORP",
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      },
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      },
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        "name": "CVS HEALTH CORP",
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      {
        "name": "REGENERON PHARMACEUTICALS INC",
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      },
      {
        "name": "HCA HEALTHCARE INC",
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      },
      {
        "name": "THE CIGNA GROUP",
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      },
      {
        "name": "ESSILORLUXOTTICA",
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      },
      {
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      },
      {
        "name": "CENCORA INC",
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      {
        "name": "TAKEDA PHARMACEU",
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      {
        "name": "HOYA CORP",
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      {
        "name": "ZOETIS INC CL A",
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        "name": "CARDINAL HEALTH INC",
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      },
      {
        "name": "CSL LTD COMMON STOCK",
        "value": "22903875.55",
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      },
      {
        "name": "EDWARDS LIFESCIENCES CORP",
        "value": "22288105.84",
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      },
      {
        "name": "Bayer Aktiengesellschaft",
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      },
      {
        "name": "LONZA GROUP -REG",
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      {
        "name": "ARGENX SE",
        "value": "21590737.72",
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      },
      {
        "name": "IDEXX LABS INC",
        "value": "21569833.32",
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      {
        "name": "BECTON DICKINSON and CO",
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      {
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      {
        "name": "BlackRock Cash Funds: Institutional, SL Agency Shares",
        "value": "20152986.37",
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      {
        "name": "ALCON INC",
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        "name": "OTSUKA HOLDINGS",
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      {
        "name": "UCB SA",
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        "name": "GALDERMA GRP. AG",
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        "name": "CHUGAI PHARMA CO",
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      {
        "name": "SANDOZ GROUP AG",
        "value": "16570428.89",
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    ],
    "b_top": [
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        "name": "GILEAD SCIENCES INC",
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      {
        "name": "AMGEN INC",
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      {
        "name": "UNITEDHEALTH GRP",
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      {
        "name": "INTUITIVE SURGICAL INC",
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      {
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      },
      {
        "name": "DANAHER CORP",
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      },
      {
        "name": "THERMO FISHER SCIENTIFIC INC",
        "value": "148665387.46",
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      },
      {
        "name": "EDWARDS LIFESCIENCES CORP",
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        "name": "VERTEX PHARMACEUTICALS INC",
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      {
        "name": "MEDTRONIC PLC",
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        "name": "STRYKER CORP",
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      {
        "name": "TEVA PHARMACEUTICAL IND ADR",
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      },
      {
        "name": "CENCORA INC",
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      {
        "name": "BOSTON SCIENTIFIC CORP",
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      },
      {
        "name": "ASTRAZENECA PLC",
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      },
      {
        "name": "ARGENX SE SPONSORED ADR",
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      },
      {
        "name": "MCKESSON CORP",
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      {
        "name": "ROCHE HOLDINGS AG (GENUSSCHEINE)",
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      {
        "name": "BIOGEN INC",
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      {
        "name": "ALNYLAM PHARMACEUTICALS INC",
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        "name": "EXACT SCIENCES CORP",
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      {
        "name": "RHYTHM PHARMACEUTICALS INC",
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        "name": "IDEXX LABS INC",
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      {
        "name": "DEXCOM INC",
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      },
      {
        "name": "PENUMBRA INC",
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      },
      {
        "name": "INSMED INC",
        "value": "45001043.49",
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      },
      {
        "name": "Novartis AG",
        "value": "42434909.20",
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      {
        "name": "INCYTE CORP",
        "value": "40120540.98",
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      {
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      },
      {
        "name": "BLKR-LIQ T-INS",
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      {
        "name": "NUVALENT INC-A",
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      {
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        "name": "GUARDANT HEALTH INC",
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      },
      {
        "name": "REVOLUTION MEDICINES INC",
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      {
        "name": "MODERNA INC",
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      },
      {
        "name": "GALDERMA GROUP A",
        "value": "28935096.50",
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      },
      {
        "name": "CVS HEALTH CORP",
        "value": "28706631.80",
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      },
      {
        "name": "ELEVANCE HEALTH INC",
        "value": "28353600.00",
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    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001004726-26-003762",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1100663/000100472626003762/0001004726-26-003762-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"
    }
  ]
}