GROUP ONE TRADING LLC's ownership history for KOS

GROUP ONE TRADING LLC currently holds 977.1K shares with a market value of $1.6M. It started holding KOS on 2024-09-30. At its peak, it held 977.1K shares on 2025-09-30. Its highest holding value was $1.6M on 2025-09-30. At its lowest, it held 118.6K shares on 2024-09-30, with a value of $477.9K on 2024-09-30. In the recent 180 days, GROUP ONE TRADING LLC has increased its shares by 596.5K. In the recent year, GROUP ONE TRADING LLC has increased its shares by 858.5K.