| No. | Hedge Fund | Shares | Value | Activity | % Port |
|---|---|---|---|---|---|
| 1. | Arrowstreet Capital Peter Rathjens, Bruce Clarke And John Campbell | 325,085 | $31,929,849 | +345% | 0.02% |
| 2. | Portolan Capital Management George Mccabe | 195,804 | $19,231,869 | 1.04% | |
| 3. | Driehaus Capital Richard Driehaus | 134,502 | $13,210,786 | 0.09% | |
| 4. | Renaissance Technologies Jim Simons | 106,498 | $10,460,234 | +89% | 0.01% |
| 5. | Citadel Investment Group Ken Griffin | 83,686 | $8,219,639 | +13% | 0% |