| 1 | VRTX | Vertex Pharmaceuticals Incorporated | 7.61% |
| 2 | AMGN | Amgen Inc. | 7.50% |
| 3 | GILD | Gilead Sciences, Inc. | 7.11% |
| 4 | REGN | Regeneron Pharmaceuticals, Inc. | 6.58% |
| 5 | ALNY | Alnylam Pharmaceuticals, Inc. | 4.23% |
| 6 | INSM | Insmed Incorporated | 3.53% |
| 7 | IQV | IQVIA Holdings Inc. | 3.21% |
| 8 | ARGX | argenx SE | 3.19% |
| 9 | NTRA | Natera, Inc. | 2.56% |
| 10 | MTD | Mettler-Toledo International Inc. | 2.43% |
| 11 | BIIB | Biogen Inc. | 2.16% |
| 12 | WAT | Waters Corporation | 1.92% |
| 13 | UTHR | United Therapeutics Corporation | 1.92% |
| 14 | ILMN | Illumina, Inc. | 1.66% |
| 15 | ONC | BeOne Medicines AG | 1.64% |
| 16 | INCY | Incyte Corporation | 1.62% |
| 17 | GMAB | Genmab A/S | 1.23% |
| 18 | NBIX | Neurocrine Biosciences, Inc. | 1.17% |
| 19 | MEDP | Medpace Holdings, Inc. | 1.09% |
| 20 | RVMD | Revolution Medicines, Inc. | 1.07% |
| 21 | IONS | Ionis Pharmaceuticals, Inc. | 1.05% |
| 22 | BBIO | BridgeBio Pharma, Inc. | 1.03% |
| 23 | MDGL | Madrigal Pharmaceuticals, Inc. | 0.95% |
| 24 | EXEL | Exelixis, Inc. | 0.94% |
| 25 | MRNA | Moderna, Inc. | 0.90% |
| View IBB holdings |
