iShares Biotechnology ETF (IBB)
NASDAQ: IBB · Real-Time Price · USD
133.04
+0.28 (0.21%)
Aug 1, 2025, 4:00 PM - Market closed
IBB Holdings Information
IBB is an equity ETF with a total of 258 individual holdings. The top holdings are Vertex Pharmaceuticals stock at 7.67%, Amgen at 7.60%, Gilead Sciences at 7.57%, Regeneron Pharmaceuticals at 6.44%, and Alnylam Pharmaceuticals at 5.55%.
Total Holdings
258
Top 10 Percentage
48.54%
Asset Class
Equity
ETF Category
Health
Assets
5.43B
PE Ratio
18.61
Sector Allocation
Top 25 Holdings
| No. | Symbol | Name | % Weight |
|---|---|---|---|
| 1 | VRTX | Vertex Pharmaceuticals Incorporated | 7.67% |
| 2 | AMGN | Amgen Inc. | 7.60% |
| 3 | GILD | Gilead Sciences, Inc. | 7.57% |
| 4 | REGN | Regeneron Pharmaceuticals, Inc. | 6.44% |
| 5 | ALNY | Alnylam Pharmaceuticals, Inc. | 5.55% |
| 6 | IQV | IQVIA Holdings Inc. | 3.61% |
| 7 | ARGX | argenx SE | 2.93% |
| 8 | MTD | Mettler-Toledo International Inc. | 2.89% |
| 9 | INSM | Insmed Incorporated | 2.17% |
| 10 | BIIB | Biogen Inc. | 2.12% |
| 11 | NTRA | Natera, Inc. | 1.96% |
| 12 | WAT | Waters Corporation | 1.94% |
| 13 | ONC | BeOne Medicines Ltd. | 1.91% |
| 14 | BNTX | BioNTech SE | 1.83% |
| 15 | ILMN | Illumina, Inc. | 1.79% |
| 16 | INCY | Incyte Corporation | 1.62% |
| 17 | NBIX | Neurocrine Biosciences, Inc. | 1.39% |
| 18 | UTHR | United Therapeutics Corporation | 1.37% |
| 19 | BMRN | BioMarin Pharmaceutical Inc. | 1.24% |
| 20 | MRNA | Moderna, Inc. | 1.15% |
| 21 | MEDP | Medpace Holdings, Inc. | 1.13% |
| 22 | EXEL | Exelixis, Inc. | 1.08% |
| 23 | GMAB | Genmab A/S | 1.00% |
| 24 | TECH | Bio-Techne Corporation | 0.96% |
| 25 | CRL | Charles River Laboratories International, Inc. | 0.93% |
As of Jul 31, 2025