| Amount | Holding |
|---|---|
| 6.04% | Ascendis Pharma A/S ADR |
| 5.28% | Sarepta Therapeutics Inc |
| 4.60% | Karuna Pharmaceuticals Inc Private Company |
| 3.75% | Biohaven Pharmaceutical Holding Co Ltd |
| 3.65% | argenx SE ADR |
| 3.27% | Exact Sciences Corp |
| 3.07% | Momenta Pharmaceuticals Inc |
| 2.85% | Neurocrine Biosciences Inc |
| 2.75% | Aimmune Therapeutics Inc |
| 2.71% | MyoKardia Inc |