| No. | Hedge Fund | Shares | Value | Activity | % Port |
|---|---|---|---|---|---|
| 1. | Baker Bros. Advisors Julian Baker And Felix Baker | 2,322,656 | $84,382,092 | 0.61% | |
| 2. | Tang Capital Management Kevin C. Tang | 2,305,608 | $83,762,739 | +10% | 3.22% |
| 3. | Deep Track Capital David Kroin | 1,800,000 | $65,394,000 | 1.82% | |
| 4. | Biotechnology Value Fund / BVF Inc Mark Lampert | 1,574,288 | $57,193,883 | +54% | 2.32% |
| 5. | Millennium Management Israel Englander | 1,265,965 | $45,992,508 | +358% | 0.02% |