| No. | Hedge Fund | Shares | Value | Activity | % Port |
|---|---|---|---|---|---|
| 1. | Siren L.L.C. Raymond Debbane | 2,911,438 | $15,343,278 | 0.43% | |
| 2. | Redmile Group Jeremy Green | 2,164,777 | $11,408,375 | 0.76% | |
| 3. | Nantahala Capital Management Wilmot B. Harkey And Daniel Mack | 2,146,731 | $11,313,272 | +40% | 0.42% |
| 4. | Citadel Investment Group Ken Griffin | 1,234,807 | $6,507,433 | +406% | 0% |
| 5. | Millennium Management Israel Englander | 1,074,191 | $5,660,987 | +63% | 0% |