| No. | Hedge Fund | Shares | Value | Activity | % Port |
|---|---|---|---|---|---|
| 1. | EcoR1 Capital Oleg Nodelman | 6,549,866 | $23,972,510 | 1.17% | |
| 2. | Tang Capital Management Kevin C. Tang | 6,521,412 | $23,868,368 | 1.08% | |
| 3. | Nantahala Capital Management Wilmot B. Harkey And Daniel Mack | 5,475,040 | $20,038,646 | +80% | 0.66% |
| 4. | Suvretta Capital Management Aaron Cowen | 3,680,921 | $13,472,171 | -44% | 0.25% |
| 5. | D E Shaw D. E. Shaw | 3,044,385 | $11,142,449 | +88% | 0.01% |