GROUP ONE TRADING LLC's ownership history for HL

GROUP ONE TRADING LLC currently holds 549.9K shares with a market value of $6.7M. It started holding HL on 2024-09-30. At its peak, it held 549.9K shares on 2025-09-30. Its highest holding value was $6.7M on 2025-09-30. At its lowest, it held 269.4K shares on 2025-03-31, with a value of $1.5M on 2025-03-31. In the recent 180 days, GROUP ONE TRADING LLC has increased its shares by 280.5K. In the recent year, GROUP ONE TRADING LLC has increased its shares by 75.3K.