| No. | Hedge Fund | Shares | Value | Activity | % Port |
|---|---|---|---|---|---|
| 1. | Biotechnology Value Fund / BVF Inc Mark Lampert | 19,822,436 | $47,177,398 | 1.21% | |
| 2. | Renaissance Technologies Jim Simons | 840,127 | $1,999,502 | +35% | 0% |
| 3. | Millennium Management Israel Englander | 773,594 | $1,841,154 | -3% | 0% |
| 4. | Arrowstreet Capital Peter Rathjens, Bruce Clarke And John Campbell | 232,953 | $554,428 | -43% | 0% |
| 5. | Citadel Investment Group Ken Griffin | 207,606 | $494,103 | -23% | 0% |