| No. | Hedge Fund | Shares | Value | Activity | % Port |
|---|---|---|---|---|---|
| 1. | Tang Capital Management Kevin C. Tang | 16,790,809 | $88,823,380 | 4.51% | |
| 2. | OrbiMed Advisors Samuel Isaly | 15,219,994 | $80,513,768 | 1.6% | |
| 3. | Suvretta Capital Management Aaron Cowen | 14,307,379 | $75,686,035 | +1% | 1.93% |
| 4. | Vivo Capital Albert Cha And Frank Kung | 9,545,466 | $50,495,515 | 4.2% | |
| 5. | Adage Capital Management Phill Gross And Robert Atchinson | 8,486,500 | $44,893,585 | +92% | 0.07% |