GROUP ONE TRADING LLC's ownership history for MSTY

GROUP ONE TRADING LLC currently holds 285.3K shares with a market value of $4.0M. It started holding MSTY on 2025-03-31. At its peak, it held 285.3K shares on 2025-09-30. Its highest holding value was $4.5M on 2025-03-31. At its lowest, it held 174.2K shares on 2025-06-30, with a value of $3.9M on 2025-06-30. In the recent 180 days, GROUP ONE TRADING LLC has increased its shares by 63.9K.