| 1 | ACAD | ACADIA Pharmaceuticals Inc. | 5.42% |
| 2 | NBIX | Neurocrine Biosciences, Inc. | 4.84% |
| 3 | CPRX | Catalyst Pharmaceuticals, Inc. | 4.84% |
| 4 | ARGX | argenx SE | 4.33% |
| 5 | PTCT | PTC Therapeutics, Inc. | 4.24% |
| 6 | KRX: 326030 | SK Biopharmaceuticals Co., Ltd. | 4.08% |
| 7 | SRRK | Scholar Rock Holding Corporation | 4.05% |
| 8 | XENE | Xenon Pharmaceuticals Inc. | 3.93% |
| 9 | ALKS | Alkermes plc | 3.92% |
| 10 | DNLI | Denali Therapeutics Inc. | 3.91% |
| 11 | SUPN | Supernus Pharmaceuticals, Inc. | 3.89% |
| 12 | BIIB | Biogen Inc. | 3.84% |
| 13 | HLUNB.CO | H. LUNDBECK CLASS B | 3.69% |
| 14 | TYO: 4592 | SanBio Company Limited | 2.89% |
| 15 | DYN | Dyne Therapeutics, Inc. | 2.70% |
| 16 | STO: DYVOX | Dynavox Group AB (publ) | 2.49% |
| 17 | EWTX | Edgewise Therapeutics, Inc. | 2.31% |
| 18 | BHVN | Biohaven Ltd. | 2.28% |
| 19 | ASX: NEU | Neuren Pharmaceuticals Limited | 2.27% |
| 20 | PRAX | Praxis Precision Medicines, Inc. | 1.88% |
| 21 | IART | Integra LifeSciences Holdings Corporation | 1.87% |
| 22 | STO: BIOA.B | BioArctic AB (publ) | 1.86% |
| 23 | AVDL | Avadel Pharmaceuticals plc | 1.83% |
| 24 | SRPT | Sarepta Therapeutics, Inc. | 1.59% |
| 25 | AVXL | Anavex Life Sciences Corp. | 1.51% |
| View IBRN holdings |