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IBB

iShares Biotechnology ETF
1W: +4.0% 1M: +3.5% 3M: +16.9% YTD: +28.9% 1Y: +38.3% 3Y: +86.8% 5Y: +38.7%
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ETF NASDAQ · AUM $11.2B
Key Statistics
AUM$11.2B
Holdings234
Top 10 Wt50.5%
Volume2,889,169
Avg Volume1,622,304
Beta0.70
Portfolio Fundamentals
P/E45.9
P/B9.3
Div Yield0.38%
ROE12.4%
% Profitable19%
Inception2001-02-12
Sector Allocation
Healthcare 99.9%
Other 0.1%
Top 10 Holdings
# Name Ticker Weight % Market Value Shares
1 GILEAD SCIENCES GILD 8.56% $946.1M 5,947,118
2 AMGEN INC AMGN 8.20% $906.3M 2,023,282
3 VERTEX PHARMACEUTICALS VRTX 7.53% $832.4M 1,597,615
4 REGENERON PHARMACEUTICALS REGN 5.64% $622.6M 762,905
5 MODERNA MRNA 5.29% $584.9M 2,812,218
6 NATERA NTRA 3.85% $425.8M 1,036,399
7 ARGENX SE ADR ARGX 3.42% $377.6M 427,845
8 ILLUMINA INC ILMN 2.93% $324.0M 1,159,339
9 BIOGEN BIIB 2.58% $285.3M 1,128,932
10 REVOLUTION MEDICINES RVMD 2.50% $276.4M 1,484,079

Recent Holding Changes

Date Holding Change Details
2026-10-29 TWST Changed 489901 → 490843
2026-10-29 RVMD Changed 1481231 → 1484079
2026-10-29 PRME Changed 728905 → 730307
2026-10-29 CLLS Changed 242686 → 243152
2026-10-29 BBOT Changed 367663 → 368371

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