| No. | Hedge Fund | Shares | Value | Activity | % Port |
|---|---|---|---|---|---|
| 1. | Tang Capital Management Kevin C. Tang | 13,044,106 | $221,358,479 | +7% | 10.05% |
| 2. | Arrowstreet Capital Peter Rathjens, Bruce Clarke And John Campbell | 3,264,062 | $55,391,132 | -1% | 0.02% |
| 3. | Marshall Wace LLP Paul Marshall And Ian Wace | 2,044,007 | $34,686,798 | +10% | 0.03% |
| 4. | Renaissance Technologies Jim Simons | 1,548,035 | $26,270,154 | -7% | 0.04% |
| 5. | D E Shaw D. E. Shaw | 1,408,456 | $23,901,498 | -11% | 0.01% |