FMR LLC's ownership history for BIIB

FMR LLC currently holds 12.8M shares with a market value of $2.3B. It started holding BIIB on 2024-09-30. At its peak, it held 12.8M shares on 2026-03-31. Its highest holding value was $2.3B on 2026-03-31. 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 11.5M. In the recent year, FMR LLC has increased its shares by 11.5M.