| No. | Hedge Fund | Shares | Value | Activity | % Port |
|---|---|---|---|---|---|
| 1. | Wexford Capital Charles Davidson | 12,071,823 | $39,233,425 | -46% | 5.02% |
| 2. | Adage Capital Management Phill Gross And Robert Atchinson | 4,575,000 | $14,868,750 | 0.02% | |
| 3. | Citadel Investment Group Ken Griffin | 452,163 | $1,469,530 | +37% | 0% |
| 4. | Marshall Wace LLP Paul Marshall And Ian Wace | 395,583 | $1,285,645 | 0% | |
| 5. | Renaissance Technologies Jim Simons | 292,280 | $949,910 | +26% | 0% |