GROUP ONE TRADING LLC's ownership history for UNP

GROUP ONE TRADING LLC currently holds 9.5K shares with a market value of $2.2M. It started holding UNP on 2024-12-31. At its peak, it held 9.5K shares on 2025-09-30. Its highest holding value was $2.2M on 2025-09-30. At its lowest, it held 583 shares on 2024-12-31, with a value of $132.9K on 2024-12-31. In the recent 180 days, GROUP ONE TRADING LLC has increased its shares by 8.9K.