| No. | Hedge Fund | Shares | Value | Activity | % Port | 
|---|---|---|---|---|---|
| 1. | Deep Track Capital David Kroin  |  5,133,917 | $106,477,439 | +26% | 3.41% | 
| 2. | Baker Bros. Advisors Julian Baker And Felix Baker  |  2,508,767 | $52,031,828 | +594% | 0.5% | 
| 3. | Biotechnology Value Fund / BVF Inc Mark Lampert  |  1,771,417 | $36,739,189 | 1.31% | |
| 4. | RA Capital Management Peter Kolchinsky  |  1,517,418 | $31,471,249 | 0.53% | |
| 5. | Citadel Investment Group Ken Griffin  |  1,328,479 | $27,552,655 | +34% | 0% | 
| No. | Name | Shares | Value | % Port | 
|---|---|---|---|---|
| 1. | 700,000 | $19,600,000 | 0.87% | |
| 2. | 64,185 | $1,797,180 | 0.01% | |
| 3. | 58,222 | $1,630,216 | 0.01% | |
| 4. | 34,861 | $976,108 | 0.17% | |
| 5. | 16,425 | $459,900 | 0% |