| No. | Hedge Fund | Shares | Value | Activity | % Port |
|---|---|---|---|---|---|
| 1. | SilverArc Capital Devesh Gandhi | 3,311,165 | $4,867,413 | +10% | 0.66% |
| 2. | Renaissance Technologies Jim Simons | 1,405,335 | $2,065,842 | +6% | 0% |
| 3. | DAFNA Capital Management Nathan Fischel | 272,402 | $400,431 | 0.1% | |
| 4. | Two Sigma Advisors John Overdeck And David Siegel | 257,784 | $378,942 | +58% | 0% |
| 5. | Citadel Investment Group Ken Griffin | 183,988 | $270,462 | -22% | 0% |