Knott David M Jr's ownership history for BIIB

Knott David M Jr currently holds 6.0K shares with a market value of $1.1M. It started holding BIIB on 2025-09-30. At its peak, it held 6.0K shares on 2025-12-31. Its highest holding value was $1.1M on 2025-12-31. At its lowest, it held 2.0K shares on 2025-09-30, with a value of $280.2K on 2025-09-30.