| 1 | ALNY | Alnylam Pharmaceuticals, Inc. | 5.31% |
| 2 | BIIB | Biogen Inc. | 5.10% |
| 3 | AMGN | Amgen Inc. | 5.04% |
| 4 | ILMN | Illumina, Inc. | 5.03% |
| 5 | UTHR | United Therapeutics Corporation | 5.02% |
| 6 | GILD | Gilead Sciences, Inc. | 4.85% |
| 7 | REGN | Regeneron Pharmaceuticals, Inc. | 4.70% |
| 8 | INCY | Incyte Corporation | 4.68% |
| 9 | BCRX | BioCryst Pharmaceuticals, Inc. | 3.10% |
| 10 | MNKD | MannKind Corporation | 3.01% |
| 11 | ACAD | ACADIA Pharmaceuticals Inc. | 3.00% |
| 12 | NBIX | Neurocrine Biosciences, Inc. | 2.95% |
| 13 | EXEL | Exelixis, Inc. | 2.84% |
| 14 | IONS | Ionis Pharmaceuticals, Inc. | 2.81% |
| 15 | COLL | Collegium Pharmaceutical, Inc. | 2.81% |
| 16 | VCYT | Veracyte, Inc. | 2.74% |
| 17 | FOLD | Amicus Therapeutics, Inc. | 2.72% |
| 18 | TECH | Bio-Techne Corporation | 2.70% |
| 19 | MDGL | Madrigal Pharmaceuticals, Inc. | 2.69% |
| 20 | QGEN | Qiagen N.V. | 2.69% |
| 21 | PTGX | Protagonist Therapeutics, Inc. | 2.69% |
| 22 | RGEN | Repligen Corporation | 2.68% |
| 23 | RPRX | Royalty Pharma plc | 2.66% |
| 24 | CPRX | Catalyst Pharmaceuticals, Inc. | 2.65% |
| 25 | TGTX | TG Therapeutics, Inc. | 2.65% |
| View PBE holdings |
