Biogen Inc. (BIIB)
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Hedge Fund Holdings
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| No. | Hedge Fund | Shares | Value | Activity | % Port |
|---|---|---|---|---|---|
| 1. | AQR Capital Management Cliff Asness | 1,936,859 | $416,928,075 | +1% | 0.15% |
| 2. | Alyeska Investment Group Anand Parekh | 932,374 | $201,448,726 | +16% | 0.52% |
| 3. | Citadel Investment Group Ken Griffin | 418,356 | $90,389,997 | +203% | 0.01% |
| 4. | 389,000 | $84,047,340 | 0.31% | ||
| 5. | Fisher Asset Management Ken Fisher | 338,018 | $73,032,374 | +9% | 0.02% |
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