| No. | Hedge Fund | Shares | Value | Activity | % Port |
|---|---|---|---|---|---|
| 1. | Marshall Wace LLP Paul Marshall And Ian Wace | 639,027 | $3,284,601 | -13% | 0% |
| 2. | Two Sigma Advisors John Overdeck And David Siegel | 530,204 | $2,725,249 | 0% | |
| 3. | Millennium Management Israel Englander | 429,819 | $2,209,270 | +838% | 0% |
| 4. | Potomac Capital Management Paul Solit And Eric Singer | 348,400 | $1,790,776 | 1.56% | |
| 5. | Citadel Investment Group Ken Griffin | 191,392 | $983,755 | +12% | 0% |