— Know what they know.
Not Investment Advice

IBB

iShares Biotechnology ETF
1W: -2.1% 1M: -4.0% 3M: +5.1% YTD: +21.5% 1Y: +38.4% 3Y: +67.8% 5Y: +21.8%
$205.29
-0.67 (-0.33%)
 
Weekly Expected Move ±2.9%
$193 $199 $205 $211 $217
ETF NASDAQ · AUM $10.1B
Key Statistics
AUM$10.1B
Holdings234
Top 10 Wt49.6%
Volume2,088,379
Avg Volume1,546,365
Beta0.71
Portfolio Fundamentals
P/E41.3
P/B8.5
Div Yield0.41%
ROE12.5%
% Profitable20%
Inception2001-02-12
Sector Allocation
Healthcare 99.8%
Other 0.2%
Top 10 Holdings
# Name Ticker Weight % Market Value Shares
1 GILEAD SCIENCES GILD 8.24% $880.9M 5,787,322
2 AMGEN INC AMGN 7.71% $823.3M 1,968,906
3 VERTEX PHARMACEUTICALS VRTX 7.68% $820.4M 1,554,691
4 REGENERON PHARMACEUTICALS REGN 5.23% $558.5M 742,409
5 MODERNA MRNA 5.05% $539.9M 2,736,646
6 NATERA NTRA 3.89% $415.3M 1,008,539
7 ARGENX SE ADR ARGX 3.79% $404.8M 416,337
8 ILLUMINA INC ILMN 2.87% $306.8M 1,128,175
9 REVOLUTION MEDICINES RVMD 2.73% $291.4M 1,444,207
10 ALNYLAM PHARMACEUTICALS ALNY 2.39% $255.2M 999,216

Recent Holding Changes

Date Holding Change Details
2026-09-30 GERN Changed 4764830 → 4760136
2026-09-30 ANAB Changed 207333 → 207129
2026-09-30 ALT Changed 1409210 → 1407822
2026-09-30 AXSM Changed 330266 → 329941
2026-09-30 BCYC Changed 280277 → 280001

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