GROUP ONE TRADING LLC's ownership history for BIIB

GROUP ONE TRADING LLC currently holds 19.3K shares with a market value of $2.7M. It started holding BIIB on 2024-09-30. At its peak, it held 159.2K shares on 2024-09-30. Its highest holding value was $30.9M on 2024-09-30. At its lowest, it held 12.4K shares on 2025-03-31, with a value of $1.7M on 2025-03-31. In the recent 180 days, GROUP ONE TRADING LLC has increased its shares by 6.9K. In the recent year, GROUP ONE TRADING LLC has decreased its shares by 139.9K.