| No. | Hedge Fund | Shares | Value | Activity | % Port |
|---|---|---|---|---|---|
| 1. | Farallon Capital Thomas Steyer | 8,338,098 | $302,839,719 | +21% | 1.73% |
| 2. | Driehaus Capital Richard Driehaus | 6,395,922 | $232,299,887 | +1% | 1.71% |
| 3. | EcoR1 Capital Oleg Nodelman | 4,288,120 | $155,744,518 | 6.61% | |
| 4. | Baker Bros. Advisors Julian Baker And Felix Baker | 2,351,465 | $85,405,209 | +43% | 0.49% |
| 5. | Siren L.L.C. Raymond Debbane | 1,903,636 | $69,140,060 | +27% | 1.92% |