No. | Hedge Fund | Shares | Value | Activity | % Port |
---|---|---|---|---|---|
1. | Biotechnology Value Fund / BVF Inc Mark Lampert | 4,370,024 | $129,003,108 | 3.22% | |
2. | Cadian Capital Eric Bannasch | 1,934,922 | $57,118,897 | +35% | 2.27% |
3. | Rock Springs Capital Management Kris Jenner, Gordon Bussard, Graham Mcphail | 1,851,464 | $54,655,217 | +2% | 1.34% |
4. | Citadel Investment Group Ken Griffin | 1,442,812 | $42,591,811 | -16% | 0% |
5. | Avidity Partners Management David Witzke And Michael Gregory | 1,142,850 | $33,736,932 | 1.22% |