| No. | Hedge Fund | Shares | Value | Activity | % Port |
|---|---|---|---|---|---|
| 1. | Vivo Capital Albert Cha And Frank Kung | 11,420,000 | $43,738,600 | 3.64% | |
| 2. | Caligan Partners David Johnson | 7,967,207 | $30,514,403 | 2.03% | |
| 3. | Perceptive Advisors Joseph Edelman | 6,431,743 | $24,633,576 | +701% | 0.48% |
| 4. | Commodore Capital Egen Atkinson And Michael Kramarz | 4,401,500 | $16,857,745 | 0.98% | |
| 5. | RA Capital Management Peter Kolchinsky | 4,401,500 | $16,857,745 | 0.18% |