| No. | Hedge Fund | Shares | Value | Activity | % Port |
|---|---|---|---|---|---|
| 1. | D E Shaw D. E. Shaw | 5,839,886 | $47,536,672 | +53% | 0.03% |
| 2. | Driehaus Capital Richard Driehaus | 2,619,129 | $21,319,710 | +27% | 0.15% |
| 3. | Parkman Healthcare Partners Greg Martinez | 1,791,674 | $14,584,226 | -15% | 1.52% |
| 4. | Renaissance Technologies Jim Simons | 1,622,840 | $13,209,919 | -22% | 0.02% |
| 5. | Dorset Management David M. Knott | 1,015,000 | $8,262,100 | -5% | 3.33% |