{
 "url": "https://etfiq.com/funds/ibb/holdings/",
 "section": "funds",
 "title": "IBB Holdings: All 245 Positions (Oct 13, 2026) | ETFIQ",
 "description": "All 245 IBB holdings with weights, as of Oct 13, 2026. The top 3 are GILD 8.44%, AMGN 8.01% and VRTX 7.44%. Download the full list as a CSV.",
 "as_of": "Oct 13, 2026",
 "ticker": "IBB",
 "fund": "iShares Biotechnology ETF",
 "fund_page": "https://etfiq.com/funds/ibb",
 "positions": 245,
 "positions_listed_on_page": 245,
 "lead": "IBB held 245 positions as of Oct 13, 2026. Gilead Sciences is the largest at 8.44%; the top 10 are 50.6% of the fund.",
 "source": {
  "name": "iShares (BlackRock)",
  "url": "https://www.ishares.com/us/products/239699/x/latest-holdings.csv",
  "document": "the issuer’s own daily file",
  "book_date": "2026-10-13",
  "file_date": null
 },
 "top_positions": [
  {
   "rank": 1,
   "holding": "Gilead Sciences",
   "ticker": "GILD",
   "weight_pct": 8.44,
   "page": "https://etfiq.com/holdings/gild/"
  },
  {
   "rank": 2,
   "holding": "Amgen Inc",
   "ticker": "AMGN",
   "weight_pct": 8.01,
   "page": "https://etfiq.com/holdings/amgn/"
  },
  {
   "rank": 3,
   "holding": "Vertex Pharmaceuticals",
   "ticker": "VRTX",
   "weight_pct": 7.44,
   "page": "https://etfiq.com/holdings/vrtx/"
  },
  {
   "rank": 4,
   "holding": "Moderna",
   "ticker": "MRNA",
   "weight_pct": 5.83,
   "page": "https://etfiq.com/holdings/mrna/"
  },
  {
   "rank": 5,
   "holding": "Regeneron Pharmaceuticals",
   "ticker": "REGN",
   "weight_pct": 5.51,
   "page": "https://etfiq.com/holdings/regn/"
  },
  {
   "rank": 6,
   "holding": "Natera",
   "ticker": "NTRA",
   "weight_pct": 3.93,
   "page": "https://etfiq.com/holdings/ntra/"
  },
  {
   "rank": 7,
   "holding": "Argenx SE ADR",
   "ticker": "ARGX",
   "weight_pct": 3.29,
   "page": "https://etfiq.com/holdings/argx/"
  },
  {
   "rank": 8,
   "holding": "Illumina Inc",
   "ticker": "ILMN",
   "weight_pct": 3.02,
   "page": "https://etfiq.com/holdings/ilmn/"
  },
  {
   "rank": 9,
   "holding": "Revolution Medicines",
   "ticker": "RVMD",
   "weight_pct": 2.68,
   "page": "https://etfiq.com/holdings/rvmd/"
  },
  {
   "rank": 10,
   "holding": "Biogen",
   "ticker": "BIIB",
   "weight_pct": 2.48,
   "page": "https://etfiq.com/holdings/biib/"
  },
  {
   "rank": 11,
   "holding": "Alnylam Pharmaceuticals",
   "ticker": "ALNY",
   "weight_pct": 2.21,
   "page": "https://etfiq.com/holdings/alny/"
  },
  {
   "rank": 12,
   "holding": "Beone Medicines AG",
   "ticker": "ONC",
   "weight_pct": 2.17,
   "page": "https://etfiq.com/holdings/onc/"
  },
  {
   "rank": 13,
   "holding": "United Therapeutics",
   "ticker": "UTHR",
   "weight_pct": 1.66,
   "page": "https://etfiq.com/holdings/uthr/"
  },
  {
   "rank": 14,
   "holding": "Incyte Corp",
   "ticker": "INCY",
   "weight_pct": 1.61,
   "page": "https://etfiq.com/holdings/incy/"
  },
  {
   "rank": 15,
   "holding": "Insmed",
   "ticker": "INSM",
   "weight_pct": 1.54,
   "page": "https://etfiq.com/holdings/insm/"
  },
  {
   "rank": 16,
   "holding": "Genmab Sponsored ADR",
   "ticker": "GMAB",
   "weight_pct": 1.5,
   "page": null
  },
  {
   "rank": 17,
   "holding": "Roivant Sciences Ltd",
   "ticker": "ROIV",
   "weight_pct": 1.29,
   "page": "https://etfiq.com/holdings/roiv/"
  },
  {
   "rank": 18,
   "holding": "Exelixis Inc",
   "ticker": "EXEL",
   "weight_pct": 1.05,
   "page": "https://etfiq.com/holdings/exel/"
  },
  {
   "rank": 19,
   "holding": "Charles River Laboratories Interna",
   "ticker": "CRL",
   "weight_pct": 1.04,
   "page": "https://etfiq.com/holdings/crl/"
  },
  {
   "rank": 20,
   "holding": "Ascendis Pharma",
   "ticker": "ASND",
   "weight_pct": 1.02,
   "page": null
  },
  {
   "rank": 21,
   "holding": "Medpace Holdings",
   "ticker": "MEDP",
   "weight_pct": 1.01,
   "page": "https://etfiq.com/holdings/medp/"
  },
  {
   "rank": 22,
   "holding": "Neurocrine Biosciences",
   "ticker": "NBIX",
   "weight_pct": 1.0,
   "page": "https://etfiq.com/holdings/nbix/"
  },
  {
   "rank": 23,
   "holding": "Halozyme Therapeutics",
   "ticker": "HALO",
   "weight_pct": 0.91,
   "page": "https://etfiq.com/holdings/halo/"
  },
  {
   "rank": 24,
   "holding": "BIO Techne",
   "ticker": "TECH",
   "weight_pct": 0.84,
   "page": "https://etfiq.com/holdings/tech/"
  },
  {
   "rank": 25,
   "holding": "Bridgebio Pharma",
   "ticker": "BBIO",
   "weight_pct": 0.82,
   "page": "https://etfiq.com/holdings/bbio/"
  }
 ],
 "top_positions_shown": 25,
 "cash": [
  {
   "holding": "BLK Csh Fnd Treasury Sl Agency",
   "weight_pct": 0.13
  },
  {
   "holding": "Cash Collateral Usd Sgaft",
   "weight_pct": 0.01
  },
  {
   "holding": "USD Cash",
   "weight_pct": -0.01
  },
  {
   "holding": "Cash and other net assets",
   "weight_pct": 0.06
  }
 ],
 "weights": "share of net assets, as the source states them",
 "csv": "https://etfiq.com/funds/ibb/holdings/ibb-holdings.csv",
 "json_book": "https://etfiq.com/data/books/ibb.json",
 "markdown": "https://etfiq.com/funds/ibb/holdings/index.md",
 "publisher": {
  "@id": "https://etfiq.com/#org",
  "name": "ETFIQ",
  "url": "https://etfiq.com"
 },
 "license": "https://etfiq.com/license/",
 "license_text": "Figures ETFIQ computes are free to use with attribution: ETFIQ (etfiq.com). Issuer data stays under its owner's terms.",
 "citation": "ETFIQ, Holdings of IBB, data as of Oct 13, 2026. https://etfiq.com/funds/ibb/holdings/"
}