| No. | Hedge Fund | Shares | Value | Activity | % Port |
|---|---|---|---|---|---|
| 1. | Redmile Group Jeremy Green | 12,872,946 | $15,447,535 | 1.02% | |
| 2. | Two Sigma Advisors John Overdeck And David Siegel | 3,466,786 | $4,160,143 | +110% | 0% |
| 3. | AQR Capital Management Cliff Asness | 3,001,521 | $3,601,825 | +159% | 0% |
| 4. | Renaissance Technologies Jim Simons | 2,974,683 | $3,569,620 | +26% | 0.01% |
| 5. | Tang Capital Management Kevin C. Tang | 1,167,773 | $1,401,328 | 0.07% |