| 1 | AMGN | Amgen Inc. | 13.25% |
| 2 | GILD | Gilead Sciences, Inc. | 12.12% |
| 3 | VRTX | Vertex Pharmaceuticals Incorporated | 8.90% |
| 4 | REGN | Regeneron Pharmaceuticals, Inc. | 5.84% |
| 5 | INSM | Insmed Incorporated | 5.26% |
| 6 | ARGX | argenx SE | 5.17% |
| 7 | NTRA | Natera, Inc. | 5.14% |
| 8 | IQV | IQVIA Holdings Inc. | 4.73% |
| 9 | ONC | BeOne Medicines AG | 4.12% |
| 10 | ALNY | Alnylam Pharmaceuticals, Inc. | 3.99% |
| 11 | BIIB | Biogen Inc. | 3.59% |
| 12 | UTHR | United Therapeutics Corporation | 3.49% |
| 13 | ILMN | Illumina, Inc. | 2.83% |
| 14 | ICLR | ICON Public Limited Company | 2.74% |
| 15 | INCY | Incyte Corporation | 2.34% |
| 16 | EXAS | Exact Sciences Corporation | 2.28% |
| 17 | NBIX | Neurocrine Biosciences, Inc. | 2.22% |
| 18 | BNTX | BioNTech SE | 2.00% |
| 19 | QGEN | Qiagen N.V. | 1.63% |
| 20 | TECH | Bio-Techne Corporation | 1.55% |
| 21 | MRNA | Moderna, Inc. | 1.46% |
| 22 | TEM | Tempus AI, Inc. | 1.44% |
| 23 | RGEN | Repligen Corporation | 1.34% |
| 24 | BMRN | BioMarin Pharmaceutical Inc. | 1.30% |
| 25 | CRL | Charles River Laboratories International, Inc. | 1.23% |
| View BBH holdings |
