| No. | Hedge Fund | Shares | Value | Activity | % Port |
|---|---|---|---|---|---|
| 1. | RA Capital Management Peter Kolchinsky | 5,404,998 | $96,425,164 | 1.02% | |
| 2. | Caligan Partners David Johnson | 1,925,066 | $34,343,177 | +109% | 2.29% |
| 3. | Great Point Partners Jeffrey Jay And David Kroin | 1,750,000 | $31,220,000 | +28% | 7.18% |
| 4. | Paradigm Biocapital Advisors Senai Asefaw | 1,750,000 | $31,220,000 | 0.64% | |
| 5. | Marshall Wace LLP Paul Marshall And Ian Wace | 1,153,276 | $20,574,444 | 0.02% |