| Amount | Holding |
|---|---|
| 6.39% | Catalent, Inc |
| 5.92% | Bio-Techne Corporation |
| 5.85% | Neurocrine Biosciences, Inc |
| 5.61% | Alexion Pharmaceuticals, Inc |
| 5.56% | Vertex Pharmaceuticals Incorporated |
| 4.87% | Amgen Inc |
| 4.62% | Gilead Sciences, Inc |
| 4.27% | Biogen Inc |
| 3.58% | Repligen Corporation |
| 3.55% | Emergent BioSolutions Inc |