GROUP ONE TRADING LLC's ownership history for MAGS

GROUP ONE TRADING LLC currently holds 22.8K shares with a market value of $1.5M. It started holding MAGS on 2025-06-30. At its peak, it held 300.4K shares on 2025-06-30. Its highest holding value was $16.7M on 2025-06-30. At its lowest, it held 22.8K shares on 2025-12-31, with a value of $1.5M on 2025-12-31. In the recent 180 days, GROUP ONE TRADING LLC has decreased its shares by 277.6K.