| Amount | Holding |
|---|---|
| 8.14% | Amgen Inc |
| 7.41% | Gilead Sciences, Inc |
| 7.21% | Vertex Pharmaceuticals Incorporated |
| 6.12% | Biogen Inc |
| 5.67% | Illumina, Inc |
| 4.13% | Regeneron Pharmaceuticals, Inc |
| 3.02% | Alexion Pharmaceuticals, Inc |
| 2.25% | Seattle Genetics, Inc |
| 2.09% | Incyte Corporation |
| 1.91% | BioMarin Pharmaceutical Inc |