GROUP ONE TRADING LLC's ownership history for CMCSA

GROUP ONE TRADING LLC currently holds 422.4K shares with a market value of $12.6M. It started holding CMCSA on 2024-09-30. At its peak, it held 422.4K shares on 2025-12-31. Its highest holding value was $12.6M on 2025-12-31. At its lowest, it held 31.8K shares on 2024-12-31, with a value of $1.2M on 2024-12-31. In the recent 180 days, GROUP ONE TRADING LLC has increased its shares by 370.9K. In the recent year, GROUP ONE TRADING LLC has increased its shares by 390.6K.