GROUP ONE TRADING LLC's ownership history for DXCM

GROUP ONE TRADING LLC currently holds 29.3K shares with a market value of $1.9M. It started holding DXCM on 2024-09-30. At its peak, it held 29.3K shares on 2025-12-31. Its highest holding value was $1.9M on 2025-12-31. At its lowest, it held 842 shares on 2024-09-30, with a value of $56.4K on 2024-09-30. In the recent 180 days, GROUP ONE TRADING LLC has increased its shares by 15.0K. In the recent year, GROUP ONE TRADING LLC has increased its shares by 28.4K.