| No. | Hedge Fund | Shares | Value | Activity | % Port |
|---|---|---|---|---|---|
| 1. | Zimmer Partners Stuart J. Zimmer | 2,735,400 | $98,611,170 | 2.6% | |
| 2. | Citadel Investment Group Ken Griffin | 1,585,292 | $57,149,777 | +3322% | 0.01% |
| 3. | SIR Capital Management Vince Maddi And Shawn Brennan | 672,090 | $24,228,845 | +196% | 2.68% |
| 4. | Alyeska Investment Group Anand Parekh | 652,228 | $23,512,819 | +65% | 0.07% |
| 5. | Yaupon Capital Steve Pattyn | 158,069 | $5,698,387 | 0.21% |