| 1 | GILD | Gilead Sciences, Inc. | 15.23% |
| 2 | AMGN | Amgen Inc. | 15.20% |
| 3 | VRTX | Vertex Pharmaceuticals Incorporated | 9.01% |
| 4 | REGN | Regeneron Pharmaceuticals, Inc. | 7.22% |
| 5 | IQV | IQVIA Holdings Inc. | 4.54% |
| 6 | ARGX | argenx SE | 4.37% |
| 7 | NTRA | Natera, Inc. | 4.32% |
| 8 | ALNY | Alnylam Pharmaceuticals, Inc. | 3.81% |
| 9 | INSM | Insmed Incorporated | 3.54% |
| 10 | ONC | BeOne Medicines AG | 3.39% |
| 11 | BIIB | Biogen Inc. | 2.94% |
| 12 | ILMN | Illumina, Inc. | 2.86% |
| 13 | UTHR | United Therapeutics Corporation | 2.74% |
| 14 | MRNA | Moderna, Inc. | 2.51% |
| 15 | ICLR | ICON Public Limited Company | 2.41% |
| 16 | BNTX | BioNTech SE | 2.12% |
| 17 | EXAS | Exact Sciences Corporation | 2.12% |
| 18 | INCY | Incyte Corporation | 1.93% |
| 19 | NBIX | Neurocrine Biosciences, Inc. | 1.79% |
| 20 | CRL | Charles River Laboratories International, Inc. | 1.46% |
| 21 | TECH | Bio-Techne Corporation | 1.46% |
| 22 | QGEN | Qiagen N.V. | 1.43% |
| 23 | RGEN | Repligen Corporation | 1.24% |
| 24 | TEM | Tempus AI, Inc. | 1.15% |
| 25 | BMRN | BioMarin Pharmaceutical Inc. | 1.10% |
| View BBH holdings |