Track which hedge funds hold Biogen Inc and how their positions changed over time.
Current Holders
277
Showing
5
| $3.1B |
| 0.0% |
32 |
| BlackRock, Inc. | 2025-Q4 | Increased | 14.8M | +0.3% | $2.6B | 0.0% | 32 |
| PRIMECAP MANAGEMENT CO/CA/ | 2025-Q4 | Decreased | 14.8M | -1.3% | $2.6B | 2.0% | 0 |
| FMR LLC | 2025-Q4 | Increased | 9.4M | +632.0% | $1.7B | 0.1% | 51 |
| STATE STREET CORP | 2025-Q4 | Decreased | 7.2M | -2.2% | $1.3B | 0.0% | 0 |
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