| 1 | GILD | Gilead Sciences, Inc. | 7.75% |
| 2 | AMGN | Amgen Inc. | 7.51% |
| 3 | VRTX | Vertex Pharmaceuticals Incorporated | 7.44% |
| 4 | REGN | Regeneron Pharmaceuticals, Inc. | 7.21% |
| 5 | ALNY | Alnylam Pharmaceuticals, Inc. | 3.99% |
| 6 | INSM | Insmed Incorporated | 3.20% |
| 7 | ARGX | argenx SE | 3.07% |
| 8 | BIIB | Biogen Inc. | 2.46% |
| 9 | NTRA | Natera, Inc. | 2.41% |
| 10 | UTHR | United Therapeutics Corporation | 2.30% |
| 11 | ONC | BeOne Medicines AG | 1.93% |
| 12 | INCY | Incyte Corporation | 1.70% |
| 13 | MRNA | Moderna, Inc. | 1.68% |
| 14 | ILMN | Illumina, Inc. | 1.68% |
| 15 | RVMD | Revolution Medicines, Inc. | 1.54% |
| 16 | ROIV | Roivant Sciences Ltd. | 1.24% |
| 17 | NBIX | Neurocrine Biosciences, Inc. | 1.18% |
| 18 | GMAB | Genmab A/S | 1.17% |
| 19 | BBIO | BridgeBio Pharma, Inc. | 1.13% |
| 20 | IONS | Ionis Pharmaceuticals, Inc. | 1.11% |
| 21 | MEDP | Medpace Holdings, Inc. | 1.00% |
| 22 | MDGL | Madrigal Pharmaceuticals, Inc. | 1.00% |
| 23 | EXEL | Exelixis, Inc. | 0.99% |
| 24 | BMRN | BioMarin Pharmaceutical Inc. | 0.98% |
| 25 | ASND | Ascendis Pharma A/S | 0.96% |
| View IBB holdings |
