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iShares Biotechnology ETF IBB

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210.98 USD +0.99 (+0.47%)

Nov 6, 2026, 10:13 AM EST

208.68 Day range 211.96

154.98 52-week range 222.29

YTD: +25.01%
1 year: +33.17%

Issuer: IShares
Asset class: Equity
Expense ratio: 0.44%
Assets under management: $11.43B
NAV: 221.08
Holdings: 243
Inception: 2001-02-05
Top 10 weight: 51.75%

GILD GILEAD SCIENCES 8.99%
AMGN AMGEN INC 8.40%
VRTX VERTEX PHARMACEUTICALS 7.61%
MRNA MODERNA 6.30%
REGN REGENERON PHARMACEUTICALS 6.16%
NTRA NATERA 3.51%
ARGX ARGENX SE ADR 3.45%
RVMD REVOLUTION MEDICINES 2.57%
BIIB BIOGEN 2.49%
ILMN ILLUMINA INC 2.28%
ONC BEONE MEDICINES AG 2.12%
GMAB GENMAB SPONSORED ADR 2.04%
UTHR UNITED THERAPEUTICS 1.68%
INCY INCYTE CORP 1.65%
INSM INSMED 1.58%
ALNY ALNYLAM PHARMACEUTICALS 1.43%
ROIV ROIVANT SCIENCES LTD 1.34%
EXEL EXELIXIS INC 1.17%
NBIX NEUROCRINE BIOSCIENCES 1.11%
ASND ASCENDIS PHARMA 1.06%
CRL CHARLES RIVER LABORATORIES INTERNA 1.03%
MEDP MEDPACE HOLDINGS 0.99%
HALO HALOZYME THERAPEUTICS 0.98%
BBIO BRIDGEBIO PHARMA 0.91%
TECH BIO TECHNE 0.76%

Biotechnology 87.45%
Life Sciences Tools & Services 9.55%
Pharmaceuticals 2.66%
Health Care Services 0.14%
Cash and/or Derivatives 0.10%
Health Care Equipment 0.10%

United States 94.41%
Denmark 2.11%
United Kingdom 1.47%
Canada 0.45%
France 0.44%
Switzerland 0.32%
Netherlands 0.29%
China 0.15%
Spain 0.14%
Ireland 0.10%
Australia 0.08%
Italy 0.05%

Updated 2026-11-05

Funds holding IBB, by value held
Fund	Value held	Weight in fund
MSMR	$38.79M	21.13%
TIH	$6.30M	0.98%
GLOW	$2.66M	3.37%
LCR	$2.29M	3.48%
FDAT	$1.49M	4.09%
GEQ	$129.14K	0.06%
NOEQ	$119.41K	0.01%