| No. | Hedge Fund | Shares | Value | Activity | % Port |
|---|---|---|---|---|---|
| 1. | Tang Capital Management Kevin C. Tang | 1,236,027 | $144,701,681 | 6.57% | |
| 2. | Biotechnology Value Fund / BVF Inc Mark Lampert | 1,056,027 | $123,629,081 | -34% | 3.16% |
| 3. | Polar Capital Brian Ashford-Russell And Tim Woolley | 845,524 | $98,985,495 | +199% | 0.23% |
| 4. | Rock Springs Capital Management Kris Jenner, Gordon Bussard, Graham Mcphail | 798,145 | $93,438,835 | -2% | 4.56% |
| 5. | Woodline Partners Michael Rockefeller And Karl Kroeker | 567,894 | $66,483,351 | 0.21% |