| No. | Hedge Fund | Shares | Value | Activity | % Port |
|---|---|---|---|---|---|
| 1. | Soleus Capital Guy Levy | 3,844,731 | $138,890,907 | +72% | 6.99% |
| 2. | Hood River Capital Management David Swank | 1,552,788 | $56,094,467 | -1% | 0.66% |
| 3. | GLG Partners Noam Gottesman | 1,008,462 | $36,430,690 | +622% | 0.06% |
| 4. | Citadel Investment Group Ken Griffin | 992,703 | $35,861,396 | -5% | 0.01% |
| 5. | Opaleye Management James A. Silverman | 535,000 | $19,326,875 | 2.73% |