| No. | Hedge Fund | Shares | Value | Activity | % Port |
|---|---|---|---|---|---|
| 1. | Tang Capital Management Kevin C. Tang | 1,854,596 | $13,204,724 | 0.51% | |
| 2. | Opaleye Management James A. Silverman | 971,064 | $6,913,976 | +923% | 0.98% |
| 3. | Renaissance Technologies Jim Simons | 247,900 | $1,765,048 | +2% | 0% |
| 4. | Pale Fire Capital Dusan Senkypl, David Holy, And Jan Barta | 228,567 | $1,627,397 | +605% | 0.18% |
| 5. | AQR Capital Management Cliff Asness | 50,834 | $361,938 | 0% |