| No. | Hedge Fund | Shares | Value | Activity | % Port |
|---|---|---|---|---|---|
| 1. | Renaissance Technologies Jim Simons | 2,151,213 | $11,422,941 | +15% | 0.02% |
| 2. | Marshall Wace LLP Paul Marshall And Ian Wace | 557,548 | $2,960,578 | +660% | 0% |
| 3. | D E Shaw D. E. Shaw | 498,598 | $2,647,555 | -23% | 0% |
| 4. | Arrowstreet Capital Peter Rathjens, Bruce Clarke And John Campbell | 464,734 | $2,467,738 | +3% | 0% |
| 5. | Tang Capital Management Kevin C. Tang | 200,000 | $1,062,000 | 0.04% |