| No. | Hedge Fund | Shares | Value | Activity | % Port |
|---|---|---|---|---|---|
| 1. | Nantahala Capital Management Wilmot B. Harkey And Daniel Mack | 5,894,114 | $4,420,586 | +15% | 0.14% |
| 2. | Stonepine Capital Timothy P. Lynch | 2,662,427 | $1,996,820 | +2% | 1.13% |
| 3. | SilverArc Capital Devesh Gandhi | 2,137,201 | $1,602,901 | -6% | 0.17% |
| 4. | DAFNA Capital Management Nathan Fischel | 1,441,029 | $1,080,772 | 0.21% | |
| 5. | Sio Capital Michael Castor | 636,300 | $477,225 | 0.08% |