| 1 | GILD | Gilead Sciences, Inc. | 17.56% |
| 2 | AMGN | Amgen Inc. | 16.67% |
| 3 | VRTX | Vertex Pharmaceuticals Incorporated | 9.24% |
| 4 | REGN | Regeneron Pharmaceuticals, Inc. | 7.75% |
| 5 | ARGX | argenx SE | 4.62% |
| 6 | NTRA | Natera, Inc. | 3.83% |
| 7 | ONC | BeOne Medicines AG | 3.57% |
| 8 | BIIB | Biogen Inc. | 3.46% |
| 9 | INSM | Insmed Incorporated | 3.42% |
| 10 | ALNY | Alnylam Pharmaceuticals, Inc. | 3.39% |
| 11 | IQV | IQVIA Holdings Inc. | 3.36% |
| 12 | UTHR | United Therapeutics Corporation | 2.87% |
| 13 | ILMN | Illumina, Inc. | 2.25% |
| 14 | EXAS | Exact Sciences Corporation | 2.21% |
| 15 | MRNA | Moderna, Inc. | 2.13% |
| 16 | BNTX | BioNTech SE | 2.00% |
| 17 | INCY | Incyte Corporation | 1.97% |
| 18 | NBIX | Neurocrine Biosciences, Inc. | 1.67% |
| 19 | QGEN | Qiagen N.V. | 1.35% |
| 20 | TECH | Bio-Techne Corporation | 1.32% |
| 21 | BMRN | BioMarin Pharmaceutical Inc. | 1.21% |
| 22 | CRL | Charles River Laboratories International, Inc. | 1.09% |
| 23 | ICLR | ICON Public Limited Company | 1.07% |
| 24 | RGEN | Repligen Corporation | 1.04% |
| 25 | TEM | Tempus AI, Inc. | 0.93% |
| View BBH holdings |