| No. | Hedge Fund | Shares | Value | Activity | % Port |
|---|---|---|---|---|---|
| 1. | Tang Capital Management Kevin C. Tang | 3,921,219 | $128,223,861 | -6% | 6.33% |
| 2. | Madison Avenue Partners Eli Samaha | 2,213,169 | $72,370,626 | +1% | 3.11% |
| 3. | EcoR1 Capital Oleg Nodelman | 1,667,119 | $54,514,791 | 2.47% | |
| 4. | Prosight Capital Lawrence Hawkins | 1,074,112 | $35,123,462 | -7% | 7.26% |
| 5. | Point72 Asset Management Steve Cohen | 486,209 | $15,899,034 | +10% | 0.02% |