| No. | Hedge Fund | Shares | Value | Activity | % Port |
|---|---|---|---|---|---|
| 1. | VenBio Select Advisor Kurt Von Emster | 2,555,555 | $122,232,196 | 1.58% | |
| 2. | QVT Financial Daniel Gold | 2,154,653 | $103,057,053 | 7.27% | |
| 3. | Magnetar Capital Alec Litowitz And Ross Laser | 966,129 | $46,209,950 | 0.28% | |
| 4. | TIG Advisors Carl Tiedemann And Michael Tiedemann | 619,763 | $29,643,264 | 1.76% | |
| 5. | Vivo Capital Albert Cha And Frank Kung | 591,882 | $28,309,716 | 2.28% |