iShares Biotechnology ETF (IBB)
NASDAQ: IBB · Real-Time Price · USD
170.16
+2.89 (1.73%)
At close: May 4, 2026, 4:00 PM EDT
170.14
-0.02 (-0.01%)
After-hours: May 4, 2026, 6:16 PM EDT
IBB Holdings Information
IBB is an equity ETF with a total of 257 individual holdings. The top holdings are Amgen stock at 7.46%, Gilead Sciences at 7.35%, Vertex Pharmaceuticals at 7.20%, Regeneron Pharmaceuticals at 6.67%, and Alnylam Pharmaceuticals at 3.77%.
Total Holdings
257
Top 10 Percentage
45.83%
Asset Class
Equity
ETF Category
Health
Assets
7.93B
PE Ratio
22.05
Breakdown by Sector
Top 25 Holdings
| No. | Symbol | Name | % Weight |
|---|---|---|---|
| 1 | AMGN | Amgen Inc. | 7.46% |
| 2 | GILD | Gilead Sciences, Inc. | 7.35% |
| 3 | VRTX | Vertex Pharmaceuticals Incorporated | 7.20% |
| 4 | REGN | Regeneron Pharmaceuticals, Inc. | 6.67% |
| 5 | ALNY | Alnylam Pharmaceuticals, Inc. | 3.77% |
| 6 | ARGX | argenx SE | 3.32% |
| 7 | INSM | Insmed Incorporated | 2.69% |
| 8 | BIIB | Biogen Inc. | 2.57% |
| 9 | NTRA | Natera, Inc. | 2.51% |
| 10 | RVMD | Revolution Medicines, Inc. | 2.30% |
| 11 | UTHR | United Therapeutics Corporation | 2.24% |
| 12 | ONC | BeOne Medicines AG | 1.94% |
| 13 | ILMN | Illumina, Inc. | 1.74% |
| 14 | INCY | Incyte Corporation | 1.74% |
| 15 | MRNA | Moderna, Inc. | 1.54% |
| 16 | ROIV | Roivant Sciences Ltd. | 1.29% |
| 17 | NBIX | Neurocrine Biosciences, Inc. | 1.19% |
| 18 | GMAB | Genmab A/S | 1.17% |
| 19 | IONS | Ionis Pharmaceuticals, Inc. | 1.12% |
| 20 | BBIO | BridgeBio Pharma, Inc. | 1.10% |
| 21 | EXEL | Exelixis, Inc. | 1.03% |
| 22 | MDGL | Madrigal Pharmaceuticals, Inc. | 1.00% |
| 23 | ASND | Ascendis Pharma A/S | 0.97% |
| 24 | BMRN | BioMarin Pharmaceutical Inc. | 0.95% |
| 25 | ARWR | Arrowhead Pharmaceuticals, Inc. | 0.89% |
As of Apr 30, 2026