| No. | Hedge Fund | Shares | Value | Activity | % Port |
|---|---|---|---|---|---|
| 1. | Rubric Capital Management David Rosen | 9,339,414 | $78,170,895 | +417% | 0.72% |
| 2. | Caligan Partners David Johnson | 5,725,007 | $47,918,309 | +21% | 2.25% |
| 3. | D E Shaw D. E. Shaw | 5,274,597 | $44,148,376 | +841% | 0.02% |
| 4. | Nantahala Capital Management Wilmot B. Harkey And Daniel Mack | 2,359,993 | $19,753,141 | 0.65% | |
| 5. | Ranger Investment Management Conrad Doenges (Cio) | 2,115,417 | $17,706,040 | -8% | 1.12% |