| No. | Hedge Fund | Shares | Value | Activity | % Port |
|---|---|---|---|---|---|
| 1. | VenBio Select Advisor Kurt Von Emster | 5,155,555 | $144,355,540 | 1.87% | |
| 2. | Deep Track Capital David Kroin | 4,215,811 | $118,042,708 | -18% | 3.29% |
| 3. | Biotechnology Value Fund / BVF Inc Mark Lampert | 3,203,917 | $89,709,676 | +81% | 3.64% |
| 4. | Baker Bros. Advisors Julian Baker And Felix Baker | 1,556,109 | $43,571,052 | -38% | 0.31% |
| 5. | Casdin Capital Eli Casdin | 1,555,000 | $43,540,000 | +27% | 3.63% |