GROUP ONE TRADING LLC's ownership history for WDC

GROUP ONE TRADING LLC currently holds 68.8K shares with a market value of $11.8M. It started holding WDC on 2024-09-30. At its peak, it held 68.8K shares on 2025-12-31. Its highest holding value was $11.8M on 2025-12-31. At its lowest, it held 23.0K shares on 2025-09-30, with a value of $1.7M on 2025-03-31. In the recent 180 days, GROUP ONE TRADING LLC has increased its shares by 5.6K. In the recent year, GROUP ONE TRADING LLC has increased its shares by 28.3K.