iShares Biotechnology ETF (IBB)
NASDAQ: IBB · Real-Time Price · USD
176.66
+2.54 (1.46%)
At close: Apr 17, 2026, 4:00 PM EDT
177.62
+0.96 (0.54%)
After-hours: Apr 17, 2026, 7:55 PM EDT
IBB Holdings Information
IBB is an equity ETF with a total of 259 individual holdings. The top holdings are Gilead Sciences stock at 7.47%, Amgen at 7.23%, Vertex Pharmaceuticals at 7.04%, Regeneron Pharmaceuticals at 6.75%, and Alnylam Pharmaceuticals at 3.74%.
Total Holdings
259
Top 10 Percentage
45.19%
Asset Class
Equity
ETF Category
Health
Assets
8.21B
PE Ratio
21.96
Breakdown by Sector
Top 25 Holdings
| No. | Symbol | Name | % Weight |
|---|---|---|---|
| 1 | GILD | Gilead Sciences, Inc. | 7.47% |
| 2 | AMGN | Amgen Inc. | 7.23% |
| 3 | VRTX | Vertex Pharmaceuticals Incorporated | 7.04% |
| 4 | REGN | Regeneron Pharmaceuticals, Inc. | 6.75% |
| 5 | ALNY | Alnylam Pharmaceuticals, Inc. | 3.74% |
| 6 | ARGX | argenx SE | 3.38% |
| 7 | INSM | Insmed Incorporated | 2.71% |
| 8 | NTRA | Natera, Inc. | 2.30% |
| 9 | BIIB | Biogen Inc. | 2.29% |
| 10 | RVMD | Revolution Medicines, Inc. | 2.29% |
| 11 | UTHR | United Therapeutics Corporation | 2.19% |
| 12 | ONC | BeOne Medicines AG | 2.03% |
| 13 | MRNA | Moderna, Inc. | 1.76% |
| 14 | ILMN | Illumina, Inc. | 1.75% |
| 15 | INCY | Incyte Corporation | 1.67% |
| 16 | ROIV | Roivant Sciences Ltd. | 1.27% |
| 17 | GMAB | Genmab A/S | 1.20% |
| 18 | BBIO | BridgeBio Pharma, Inc. | 1.15% |
| 19 | NBIX | Neurocrine Biosciences, Inc. | 1.12% |
| 20 | IONS | Ionis Pharmaceuticals, Inc. | 1.08% |
| 21 | MEDP | Medpace Holdings, Inc. | 1.05% |
| 22 | EXEL | Exelixis, Inc. | 0.99% |
| 23 | ASND | Ascendis Pharma A/S | 0.99% |
| 24 | MDGL | Madrigal Pharmaceuticals, Inc. | 0.97% |
| 25 | BMRN | BioMarin Pharmaceutical Inc. | 0.91% |
As of Apr 16, 2026