| 1 | AMGN | Amgen Inc. | 17.06% |
| 2 | GILD | Gilead Sciences, Inc. | 16.87% |
| 3 | VRTX | Vertex Pharmaceuticals Incorporated | 9.11% |
| 4 | REGN | Regeneron Pharmaceuticals, Inc. | 7.68% |
| 5 | ARGX | argenx SE | 4.08% |
| 6 | NTRA | Natera, Inc. | 3.76% |
| 7 | IQV | IQVIA Holdings Inc. | 3.54% |
| 8 | ALNY | Alnylam Pharmaceuticals, Inc. | 3.53% |
| 9 | INSM | Insmed Incorporated | 3.33% |
| 10 | BIIB | Biogen Inc. | 3.32% |
| 11 | UTHR | United Therapeutics Corporation | 3.17% |
| 12 | ONC | BeOne Medicines AG | 3.10% |
| 13 | MRNA | Moderna, Inc. | 2.95% |
| 14 | ILMN | Illumina, Inc. | 2.43% |
| 15 | EXAS | Exact Sciences Corporation | 2.21% |
| 16 | BNTX | BioNTech SE | 1.92% |
| 17 | INCY | Incyte Corporation | 1.89% |
| 18 | NBIX | Neurocrine Biosciences, Inc. | 1.75% |
| 19 | ICLR | ICON Public Limited Company | 1.46% |
| 20 | BMRN | BioMarin Pharmaceutical Inc. | 1.23% |
| 21 | CRL | Charles River Laboratories International, Inc. | 1.21% |
| 22 | TECH | Bio-Techne Corporation | 1.21% |
| 23 | QGEN | Qiagen N.V. | 1.14% |
| 24 | RGEN | Repligen Corporation | 1.00% |
| 25 | TEM | Tempus AI, Inc. | 0.95% |
| View BBH holdings |