No. | Hedge Fund | Shares | Value | Activity | % Port |
---|---|---|---|---|---|
1. | Biotechnology Value Fund / BVF Inc Mark Lampert | 4,370,024 | $109,775,003 | 3.01% | |
2. | Cadian Capital Eric Bannasch | 2,292,567 | $57,589,283 | +19% | 2.04% |
3. | Rock Springs Capital Management Kris Jenner, Gordon Bussard, Graham Mcphail | 1,856,564 | $46,636,888 | +1% | 1.18% |
4. | Citadel Investment Group Ken Griffin | 1,392,506 | $34,979,751 | -4% | 0% |
5. | Tang Capital Management Kevin C. Tang | 1,187,107 | $29,820,128 | +5% | 3.1% |