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IBB

iShares Biotechnology ETF
1W: +0.6% 1M: +1.7% 3M: +12.7% YTD: +12.7% 1Y: +40.8% 3Y: +46.0% 5Y: +17.6%
$190.52
+2.19 (+1.16%)
 
Weekly Expected Move ±3.0%
$177 $182 $188 $194 $200
ETF NASDAQ · AUM $9.5B
Key Statistics
AUM$9.5B
Holdings238
Top 10 Wt45.4%
Volume1,031,833
Avg Volume1,550,593
Beta0.69
Portfolio Fundamentals
P/E26.0
P/B7.2
Div Yield0.41%
ROE26.3%
% Profitable17%
Inception2001-02-12
Sector Allocation
Healthcare 99.9%
Other 0.1%
Top 10 Holdings
# Name Ticker Weight % Market Value Shares
1 AMGEN INC AMGN 8.25% $771.2M 2,050,756
2 VERTEX PHARMACEUTICALS INC VRTX 7.88% $736.7M 1,543,273
3 GILEAD SCIENCES INC GILD 7.10% $664.4M 5,137,806
4 REGENERON PHARMACEUTICALS INC REGN 5.24% $489.7M 746,482
5 ARGENX SE ADR ARGX 3.77% $352.9M 384,361
6 ALNYLAM PHARMACEUTICALS INC ALNY 2.86% $267.3M 983,561
7 REVOLUTION MEDICINES INC RVMD 2.85% $266.5M 1,408,415
8 NATERA INC NTRA 2.83% $264.7M 1,010,215
9 BIOGEN INC BIIB 2.34% $218.9M 1,082,747
10 ILLUMINA INC ILMN 2.32% $216.7M 1,116,341

Recent Holding Changes

Date Holding Change Details
2026-07-28 IBRX Changed 2781187 → 2783988
2026-07-28 STOK Changed 363504 → 363870
2026-07-28 BIIB Changed 1081658 → 1082747
2026-07-28 CADL Changed 426375 → 426804
2026-07-28 NMRA Changed 564620 → 565189

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms