GROUP ONE TRADING LLC's ownership history for ISRG

GROUP ONE TRADING LLC currently holds 14.6K shares with a market value of $6.5M. It started holding ISRG on 2025-03-31. At its peak, it held 14.6K shares on 2025-09-30. Its highest holding value was $6.5M on 2025-09-30. At its lowest, it held 2.6K shares on 2025-06-30, with a value of $1.4M on 2025-06-30. In the recent 180 days, GROUP ONE TRADING LLC has increased its shares by 2.3K.