GROUP ONE TRADING LLC's ownership history for GTLB

GROUP ONE TRADING LLC currently holds 165.1K shares with a market value of $6.2M. It started holding GTLB on 2024-09-30. At its peak, it held 165.1K shares on 2025-12-31. Its highest holding value was $6.6M on 2025-09-30. At its lowest, it held 10.5K shares on 2025-03-31, with a value of $494.6K on 2025-03-31. In the recent 180 days, GROUP ONE TRADING LLC has increased its shares by 116.6K. In the recent year, GROUP ONE TRADING LLC has increased its shares by 124.1K.