| No. | Hedge Fund | Shares | Value | Activity | % Port |
|---|---|---|---|---|---|
| 1. | Biotechnology Value Fund / BVF Inc Mark Lampert | 7,133,720 | $109,217,253 | +161% | 3.68% |
| 2. | EcoR1 Capital Oleg Nodelman | 3,251,112 | $49,774,525 | -48% | 2.26% |
| 3. | Defilade Capital Jonathan Forman | 1,414,755 | $21,659,899 | 2.94% | |
| 4. | Baker Bros. Advisors Julian Baker And Felix Baker | 1,102,106 | $16,873,243 | 0.1% | |
| 5. | Leucadia National Ian Cumming And Joseph Steinberg | 720,440 | $11,029,936 | +621% | 0.06% |