IBB
iShares Biotechnology ETF
ETF
$205.29−0.67 (−0.33%)Close Oct 2, 2026
Top holdings
252 in all, as of Jun 30, 2026| Holding | Weight (%) | Value |
|---|---|---|
| BlackRock Funds III | 11.7 | $1.06B |
| VRTXVertex Pharmaceuticals, Inc. | 8.1 | $734M |
| AMGNAmgen, Inc. | 7.8 | $711M |
| GILDGilead Sciences, Inc. | 6.8 | $622M |
| REGNRegeneron Pharmaceuticals, Inc. | 4.9 | $446M |
| ARGXArgenx SE | 3.8 | $342M |
| ALNYAlnylam Pharmaceuticals, Inc. | 3.1 | $284M |
| NTRANatera, Inc. | 2.9 | $263M |
| RVMDRevolution Medicines, Inc. | 2.8 | $253M |
| BIIBBiogen, Inc. | 2.5 | $224M |
Asset classes
- Stocks
- 99.9%
- Cash and equivalents
- 12.0%
- Net other assets
- −11.9%
Stock sectors
- Health Care
- 97.0%
- Consumer Discretionary
- 0.6%
- Communication Services
- 0.5%
- Industrials
- 0.2%
- Not classified
- 1.5%
Countries
- United States
- 84.3%
- Netherlands
- 4.3%
- Denmark
- 2.4%
- Switzerland
- 2.2%
- Bermuda
- 1.4%
- Canada
- 1.2%
- Cayman Islands
- 0.9%
- Ireland
- 0.8%
- Other countries
- 2.5%