GROUP ONE TRADING LLC's ownership history for SERV

GROUP ONE TRADING LLC currently holds 266.1K shares with a market value of $2.8M. It started holding SERV on 2024-09-30. At its peak, it held 266.1K shares on 2025-12-31. Its highest holding value was $3.0M on 2025-09-30. At its lowest, it held 13.5K shares on 2024-12-31, with a value of $182.2K on 2024-12-31. In the recent 180 days, GROUP ONE TRADING LLC has increased its shares by 12.4K. In the recent year, GROUP ONE TRADING LLC has increased its shares by 252.6K.