GROUP ONE TRADING LLC's ownership history for PBI

GROUP ONE TRADING LLC currently holds 578.2K shares with a market value of $6.1M. It started holding PBI on 2024-09-30. At its peak, it held 1.1M shares on 2025-09-30. Its highest holding value was $12.5M on 2025-09-30. At its lowest, it held 512.9K shares on 2025-03-31, with a value of $3.8M on 2024-12-31. In the recent 180 days, GROUP ONE TRADING LLC has decreased its shares by 277.4K. In the recent year, GROUP ONE TRADING LLC has increased its shares by 55.9K.