{
  "page": "compare",
  "query": {
    "a": "MDEV",
    "b": "SHSSX"
  },
  "retrieved_at": "2026-07-07T14:23:14+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 Indxx Medical Devices ETF",
    "ticker": "MDEV",
    "slug": "MDEV",
    "series_id": "S000071976",
    "html_url": "https://fundwatcher.app/funds/MDEV/"
  },
  "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": "0.1974484948610937742141270539",
    "coverage_b_by_a": "0.1974484948610937742141270539",
    "shared_count": 19,
    "as_of": {
      "a": "2026-03-31",
      "b": "2026-02-27"
    },
    "a_top": [
      {
        "name": "GLOBUS MEDICAL INC",
        "value": "63155.28",
        "weight": "0.03318149",
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      },
      {
        "name": "ALIGN TECHNOLOGY INC",
        "value": "56571.90",
        "weight": "0.02972261",
        "shared": false
      },
      {
        "name": "PENUMBRA INC",
        "value": "52210.83",
        "weight": "0.02743133",
        "shared": true
      },
      {
        "name": "MASIMO CORP",
        "value": "51048.69",
        "weight": "0.02682074",
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      },
      {
        "name": "HOYA CORP",
        "value": "50967.97",
        "weight": "0.02677833",
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      },
      {
        "name": "HOLOGIC INC",
        "value": "46261.08",
        "weight": "0.02430536",
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      },
      {
        "name": "WATERS CORP",
        "value": "46159.00",
        "weight": "0.02425172",
        "shared": true
      },
      {
        "name": "EDWARDS LIFESCIENCES CORP",
        "value": "44924.88",
        "weight": "0.02360332",
        "shared": true
      },
      {
        "name": "INTUITIVE SURGICAL INC",
        "value": "44255.04",
        "weight": "0.02325139",
        "shared": true
      },
      {
        "name": "WUXI APPTEC CO LTD H",
        "value": "44185.06",
        "weight": "0.02321462",
        "shared": false
      },
      {
        "name": "ALCON INC",
        "value": "43388.79",
        "weight": "0.02279627",
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      },
      {
        "name": "COOPER COS INC",
        "value": "43329.00",
        "weight": "0.02276485",
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      },
      {
        "name": "FISHER & PAYKEL",
        "value": "43193.49",
        "weight": "0.02269366",
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      },
      {
        "name": "METTLER-TOLEDO INTL INC",
        "value": "41619.60",
        "weight": "0.02186674",
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      },
      {
        "name": "GE HEALTHCARE TECHNOLOGIES INC WI",
        "value": "41569.12",
        "weight": "0.02184022",
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      },
      {
        "name": "TELEFLEX INC",
        "value": "41504.67",
        "weight": "0.02180636",
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      },
      {
        "name": "KONINKLIJKE PHIL",
        "value": "41302.07",
        "weight": "0.02169991",
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      },
      {
        "name": "REVVITY INC",
        "value": "41176.70",
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      },
      {
        "name": "STRAUMANN HOLDG AG (REGD)",
        "value": "40070.66",
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      },
      {
        "name": "DEXCOM INC",
        "value": "40003.60",
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      },
      {
        "name": "ZIMMER BIOMET HO",
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      {
        "name": "WEST PHARMACEUTICAL SVCS INC",
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      {
        "name": "STERIS PLC",
        "value": "38918.88",
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      },
      {
        "name": "DANAHER CORP",
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      },
      {
        "name": "THERMO FISHER SCIENTIFIC INC",
        "value": "38830.87",
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      {
        "name": "BIO RAD LABS CL A",
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      {
        "name": "MEDTRONIC PLC",
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      },
      {
        "name": "STRYKER CORP",
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      },
      {
        "name": "Smith & Nephew PLC",
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      {
        "name": "Sartorius Stedim Biotech S.A.",
        "value": "37199.77",
        "weight": "0.01954459",
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      },
      {
        "name": "MERIT MEDICAL SYSTEMS INC",
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      },
      {
        "name": "DEMANT A/S",
        "value": "35576.35",
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      {
        "name": "BECTON DICKINSON and CO",
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      {
        "name": "SONOVA HOLDING A",
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      {
        "name": "AGILENT TECHNOLOGIES INC",
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      {
        "name": "Terumo Corporation",
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      {
        "name": "RESMED INC",
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      {
        "name": "BIOMERIEUX",
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      {
        "name": "OLYMPUS CORP",
        "value": "32774.01",
        "weight": "0.01721931",
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      {
        "name": "SIEMENS HEALTHINEERS AG COMMON STOCK",
        "value": "32341.02",
        "weight": "0.01699182",
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      {
        "name": "COLOPLAST-B COMMON STOCK",
        "value": "32220.26",
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      {
        "name": "ABBOTT LABS",
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      },
      {
        "name": "BAXTER INTL INC",
        "value": "31735.20",
        "weight": "0.01667353",
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      {
        "name": "SYSMEX CORPORATION",
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      {
        "name": "INSULET CORP",
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      {
        "name": "BOSTON SCIENTIFIC CORP",
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        "name": "AMPLIFON SPA",
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      {
        "name": "COCHLEAR LTD",
        "value": "26240.57",
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      {
        "name": "CARL ZEISS ME-BR",
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      {
        "name": "DREY-GVT CSH-I",
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      {
        "name": "JOHNSON&JOHNSON",
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        "name": "GILEAD SCIENCES INC",
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      {
        "name": "MERCK & CO",
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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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      {
        "name": "ABBOTT LABS",
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      {
        "name": "DANAHER CORP",
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      {
        "name": "THERMO FISHER SCIENTIFIC INC",
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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",
        "value": "94646702.97",
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      {
        "name": "ARGENX SE SPONSORED ADR",
        "value": "93058072.80",
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      },
      {
        "name": "MCKESSON CORP",
        "value": "78655868.94",
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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": "REGENERON PHARMACEUTICALS INC",
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      {
        "name": "BRISTOL-MYERS SQUIBB CO",
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      {
        "name": "BlackRock Cash Funds: Institutional, SL Agency Shares",
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      {
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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",
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      {
        "name": "Novartis AG",
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        "name": "INCYTE CORP",
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        "name": "MEDLINE INC-A",
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      {
        "name": "BLKR-LIQ T-INS",
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        "name": "AGILENT TECHNOLOGIES INC",
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        "name": "NUVALENT INC-A",
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      {
        "name": "COGENT BIOSCIENCES INC",
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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",
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      {
        "name": "CVS HEALTH CORP",
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      {
        "name": "ELEVANCE HEALTH INC",
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    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000940400-26-020383",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1552740/000094040026020383/0000940400-26-020383-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"
    }
  ]
}