GROUP ONE TRADING LLC's ownership history for SIG

GROUP ONE TRADING LLC currently holds 14.8K shares with a market value of $1.2M. It started holding SIG on 2024-09-30. At its peak, it held 14.8K shares on 2025-12-31. Its highest holding value was $1.2M on 2025-12-31. At its lowest, it held 4.2K shares on 2025-09-30, with a value of $372.3K on 2025-03-31. In the recent 180 days, GROUP ONE TRADING LLC has increased its shares by 2.1K. In the recent year, GROUP ONE TRADING LLC has increased its shares by 4.4K.