FMR LLC's ownership history for BIIB

FMR LLC currently holds 9.4M shares with a market value of $1.7B. It started holding BIIB on 2024-09-30. At its peak, it held 9.4M shares on 2025-12-31. Its highest holding value was $1.7B on 2025-12-31. At its lowest, it held 381.2K shares on 2024-09-30, with a value of $73.9M on 2024-09-30. In the recent 180 days, FMR LLC has increased its shares by 8.1M. In the recent year, FMR LLC has increased its shares by 8.1M.