| 1 | NBIX | Neurocrine Biosciences, Inc. | 5.58% |
| 2 | NTRA | Natera, Inc. | 5.45% |
| 3 | GILD | Gilead Sciences, Inc. | 4.86% |
| 4 | UTHR | United Therapeutics Corporation | 4.71% |
| 5 | AMGN | Amgen Inc. | 4.71% |
| 6 | BIIB | Biogen Inc. | 4.60% |
| 7 | ILMN | Illumina, Inc. | 4.42% |
| 8 | REGN | Regeneron Pharmaceuticals, Inc. | 4.08% |
| 9 | PTGX | Protagonist Therapeutics, Inc. | 3.73% |
| 10 | BCRX | BioCryst Pharmaceuticals, Inc. | 3.67% |
| 11 | TGTX | TG Therapeutics, Inc. | 3.51% |
| 12 | HALO | Halozyme Therapeutics, Inc. | 3.46% |
| 13 | CPRX | Catalyst Pharmaceuticals, Inc. | 3.43% |
| 14 | BPMC | Blueprint Medicines Corporation | 3.25% |
| 15 | QGEN | Qiagen N.V. | 3.21% |
| 16 | EXAS | Exact Sciences Corporation | 3.13% |
| 17 | COLL | Collegium Pharmaceutical, Inc. | 3.06% |
| 18 | RPRX | Royalty Pharma plc | 3.00% |
| 19 | EXEL | Exelixis, Inc. | 2.98% |
| 20 | ACAD | ACADIA Pharmaceuticals Inc. | 2.79% |
| 21 | VCYT | Veracyte, Inc. | 2.71% |
| 22 | PTCT | PTC Therapeutics, Inc. | 2.68% |
| 23 | BMRN | BioMarin Pharmaceutical Inc. | 2.52% |
| 24 | MNKD | MannKind Corporation | 2.46% |
| 25 | INCY | Incyte Corporation | 2.41% |
| View PBE holdings |