iShares Biotechnology ETF (IBB)
NASDAQ: IBB · Real-Time Price · USD
168.93
-1.83 (-1.07%)
Dec 30, 2025, 11:26 AM EST - Market open
IBB Holdings Information
IBB is an equity ETF with a total of 267 individual holdings. The top holdings are Vertex Pharmaceuticals stock at 8.67%, Gilead Sciences at 8.05%, Amgen at 7.83%, Regeneron Pharmaceuticals at 6.89%, and Alnylam Pharmaceuticals at 4.51%.
Total Holdings
267
Top 10 Percentage
49.02%
Asset Class
Equity
ETF Category
Health
Assets
8.68B
PE Ratio
23.92
Sector Allocation
Top 25 Holdings
| No. | Symbol | Name | % Weight |
|---|---|---|---|
| 1 | VRTX | Vertex Pharmaceuticals Incorporated | 8.67% |
| 2 | GILD | Gilead Sciences, Inc. | 8.05% |
| 3 | AMGN | Amgen Inc. | 7.83% |
| 4 | REGN | Regeneron Pharmaceuticals, Inc. | 6.89% |
| 5 | ALNY | Alnylam Pharmaceuticals, Inc. | 4.51% |
| 6 | INSM | Insmed Incorporated | 3.24% |
| 7 | ARGX | argenx SE | 2.97% |
| 8 | NTRA | Natera, Inc. | 2.66% |
| 9 | BIIB | Biogen Inc. | 2.25% |
| 10 | ONC | BeOne Medicines AG | 1.96% |
| 11 | UTHR | United Therapeutics Corporation | 1.83% |
| 12 | ILMN | Illumina, Inc. | 1.74% |
| 13 | INCY | Incyte Corporation | 1.69% |
| 14 | GMAB | Genmab A/S | 1.43% |
| 15 | NBIX | Neurocrine Biosciences, Inc. | 1.22% |
| 16 | RVMD | Revolution Medicines, Inc. | 1.16% |
| 17 | MEDP | Medpace Holdings, Inc. | 1.11% |
| 18 | IONS | Ionis Pharmaceuticals, Inc. | 1.10% |
| 19 | BBIO | BridgeBio Pharma, Inc. | 1.08% |
| 20 | MDGL | Madrigal Pharmaceuticals, Inc. | 1.07% |
| 21 | EXEL | Exelixis, Inc. | 1.04% |
| 22 | BMRN | BioMarin Pharmaceutical Inc. | 0.98% |
| 23 | MRNA | Moderna, Inc. | 0.94% |
| 24 | RNA | Avidity Biosciences, Inc. | 0.86% |
| 25 | CRL | Charles River Laboratories International, Inc. | 0.86% |
As of Dec 26, 2025