| No. | Hedge Fund | Shares | Value | Activity | % Port |
|---|---|---|---|---|---|
| 1. | Perceptive Advisors Joseph Edelman | 2,035,986 | $681,627,753 | 10.23% | |
| 2. | Baker Bros. Advisors Julian Baker And Felix Baker | 1,753,198 | $586,953,158 | 2.94% | |
| 3. | Orbis Investment Management William B. Gray | 1,529,788 | $512,157,724 | -39% | 1.76% |
| 4. | Adage Capital Management Phill Gross And Robert Atchinson | 1,015,480 | $339,972,549 | +25% | 0.48% |
| 5. | Deerfield Management James E. Flynn | 963,351 | $322,520,281 | 3.36% |