GROUP ONE TRADING LLC's ownership history for FI

GROUP ONE TRADING LLC currently holds 137.0K shares with a market value of $9.2M. It started holding FI on 2024-09-30. At its peak, it held 137.0K shares on 2025-12-31. Its highest holding value was $9.2M on 2025-12-31. At its lowest, it held 2.1K shares on 2024-09-30, with a value of $384.1K on 2024-09-30. In the recent 180 days, GROUP ONE TRADING LLC has increased its shares by 126.9K. In the recent year, GROUP ONE TRADING LLC has increased its shares by 134.9K.