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IBB

iShares Biotechnology ETF
1W: -4.7% 1M: -6.6% 3M: -6.0% YTD: -2.9% 1Y: +35.7% 3Y: +27.1% 5Y: +13.6%
$167.91
+3.72 (+2.27%)
After Hours: $166.38 (-1.53, -0.91%)
Weekly Expected Move ±2.9%
$157 $162 $167 $172 $177
ETF NASDAQ · AUM $7.5B
Key Statistics
AUM$7.5B
Holdings241
Top 10 Wt45.4%
Volume2,027,558
Avg Volume1,555,380
Beta0.74
Portfolio Fundamentals
P/E22.9
P/B5.9
Div Yield0.44%
ROE24.5%
% Profitable17%
Inception2001-02-12
Sector Allocation
Healthcare 99.8%
Other 0.2%
Top 10 Holdings
# Name Ticker Weight % Market Value Shares
1 VERTEX PHARMACEUTICALS INC VRTX 7.63% $582.2M 1,333,551
2 GILEAD SCIENCES INC GILD 7.56% $576.8M 4,448,117
3 AMGEN INC AMGN 7.25% $553.7M 1,706,893
4 REGENERON PHARMACEUTICALS INC REGN 6.16% $470.1M 746,515
5 ALNYLAM PHARMACEUTICALS INC ALNY 3.62% $276.1M 964,440
6 ARGENX SE ADR ARGX 3.42% $261.1M 336,296
7 BIOGEN INC BIIB 2.70% $206.2M 1,074,233
8 NATERA INC NTRA 2.44% $185.9M 965,492
9 REVOLUTION MEDICINES INC RVMD 2.39% $182.4M 1,263,718
10 UNITED THERAPEUTICS CORP UTHR 2.31% $176.1M 310,596

Recent Holding Changes

Date Holding Change Details
2026-05-20 AVBP Changed 193698 → 197302
2026-05-20 ABVX Changed 355382 → 361995
2026-05-20 TYRA Changed 263461 → 268357
2026-05-20 RARE Changed 658058 → 670298
2026-05-20 CAI Changed 869423 → 885590

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