| No. | Hedge Fund | Shares | Value | Activity | % Port |
|---|---|---|---|---|---|
| 1. | VenBio Select Advisor Kurt Von Emster | 10,808,080 | $262,095,940 | +117% | 3.39% |
| 2. | Adage Capital Management Phill Gross And Robert Atchinson | 10,035,000 | $243,348,750 | +20% | 0.39% |
| 3. | Farallon Capital Thomas Steyer | 4,331,318 | $105,034,462 | -5% | 0.43% |
| 4. | Siren L.L.C. Raymond Debbane | 3,227,517 | $78,267,287 | -7% | 3.06% |
| 5. | Perceptive Advisors Joseph Edelman | 3,100,902 | $75,196,874 | +171% | 2.17% |