| No. | Hedge Fund | Shares | Value | Activity | % Port |
|---|---|---|---|---|---|
| 1. | Tang Capital Management Kevin C. Tang | 11,329,500 | $125,190,975 | +13% | 4.82% |
| 2. | Arrowstreet Capital Peter Rathjens, Bruce Clarke And John Campbell | 3,374,021 | $37,282,932 | +214% | 0.02% |
| 3. | Marshall Wace LLP Paul Marshall And Ian Wace | 1,483,132 | $16,388,610 | +1273% | 0.02% |
| 4. | Renaissance Technologies Jim Simons | 1,449,600 | $16,018,080 | +26% | 0.02% |
| 5. | D E Shaw D. E. Shaw | 909,922 | $10,054,638 | +167% | 0.01% |