FRED ALGER MANAGEMENT, LLC's ownership history for BIIB

FRED ALGER MANAGEMENT, LLC currently holds 798.8K shares with a market value of $140.6M. It started holding BIIB on 2025-03-31. At its peak, it held 798.8K shares on 2025-12-31. Its highest holding value was $140.6M on 2025-12-31. At its lowest, it held 2.0K shares on 2025-09-30, with a value of $285.6K on 2025-09-30. In the recent 180 days, FRED ALGER MANAGEMENT, LLC has increased its shares by 786.6K.