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BIIB
BIOGEN INC
Tracked Holders (2)
| Manager | % of Portfolio | Activity | Shares | Value | Period |
|---|---|---|---|---|---|
| Mark Hillman | 3.38% | Reduce 20% | 30.5K | $5.4M | Q4 2025 |
| Sarah Ketterer | 1.26% | Reduce 8% | 521.1K | $91.7M | Q4 2025 |