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iShares Biotechnology ETF IBB

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221.13 USD +5.66 (+2.63%)

At closeNov 4, 2026, 4:26 PM EST

221.00 -0.13 -0.06%

After hours · Nov 4, 4:26 PM ET

214.04 Day range 221.26

154.98 52-week range 222.29

YTD: +31.02%
1 year: +41.68%

Issuer: IShares
Asset class: Equity
Expense ratio: 0.44%
Assets under management: $11.24B
NAV: 215.42
Holdings: 243
Inception: 2001-02-05
Top 10 weight: 51.57%

GILD GILEAD SCIENCES 8.86%
AMGN AMGEN INC 8.31%
VRTX VERTEX PHARMACEUTICALS 7.55%
REGN REGENERON PHARMACEUTICALS 6.61%
MRNA MODERNA 5.72%
NTRA NATERA 3.58%
ARGX ARGENX SE ADR 3.43%
RVMD REVOLUTION MEDICINES 2.56%
BIIB BIOGEN 2.50%
ILMN ILLUMINA INC 2.46%
GMAB GENMAB SPONSORED ADR 2.11%
ONC BEONE MEDICINES AG 2.05%
UTHR UNITED THERAPEUTICS 1.71%
INCY INCYTE CORP 1.62%
INSM INSMED 1.54%
ALNY ALNYLAM PHARMACEUTICALS 1.46%
ROIV ROIVANT SCIENCES LTD 1.29%
EXEL EXELIXIS INC 1.19%
CRL CHARLES RIVER LABORATORIES INTERNA 1.14%
NBIX NEUROCRINE BIOSCIENCES 1.13%
ASND ASCENDIS PHARMA 1.06%
MEDP MEDPACE HOLDINGS 1.02%
HALO HALOZYME THERAPEUTICS 0.99%
BBIO BRIDGEBIO PHARMA 0.89%
TECH BIO TECHNE 0.78%

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 94.28%
Denmark 2.12%
United Kingdom 1.54%
Canada 0.46%
France 0.44%
Switzerland 0.34%
Netherlands 0.29%
China 0.15%
Spain 0.13%
Ireland 0.10%
Australia 0.08%
Italy 0.07%

Updated 2026-11-04

Funds holding IBB, by value held
Fund	Value held	Weight in fund
MSMR	$37.80M	20.68%
TIH	$6.14M	0.98%
GLOW	$2.59M	3.35%
LCR	$2.23M	3.42%
FDAT	$1.45M	4.03%
GEQ	$125.83K	0.06%
NOEQ	$116.35K	0.01%