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IBB

iShares Biotechnology ETF

ETF

$205.29−0.67 (−0.33%)Close Oct 2, 2026

Adjusted price

+37.48% total return, past year

Key statistics

Expense ratio
0.44%
52-week range
$149.95$216.96
From all-time high
−5.38%
Max drawdown
−62.85%
Volatility
25.90%
Sharpe ratio
0.41
Beta (5Y monthly)
0.69
Median dollar volume
$326M
First close
Feb 12, 2001

Total

1M
−4.0%
YTD
+21.8%
1Y
+37.5%

Per year

3Y
+19.7%
5Y
+5.5%
10Y
+8.1%
20Y
+11.5%
Since 2001
+7.4%

Fund facts

As of Jun 30, 2026
Net assets
$9.09B
Holdings
252
Top 10 holdings
54.3%
Stocks
99.9%
Cash
12.0%

Sectors

Health Care
97.0%
Consumer Discretionary
0.6%
Communication Services
0.5%
Industrials
0.2%
Information Technology
0.0%
Other
1.5%

Top holdings

HoldingWeight (%)
BlackRock Funds III11.7
VRTXVertex Pharmaceuticals Incorporated8.1
AMGNAmgen Inc.7.8
GILDGilead Sciences, Inc.6.8
REGNRegeneron Pharmaceuticals, Inc.4.9
ARGXargenx SE3.8
ALNYAlnylam Pharmaceuticals, Inc.3.1
NTRANatera, Inc.2.9
RVMDRevolution Medicines, Inc.2.8
BIIBBiogen Inc.2.5

Annual returns

2001 from Feb 12 · 2026 through Oct 2