GROUP ONE TRADING LLC's ownership history for PFSI

GROUP ONE TRADING LLC currently holds 51.8K shares with a market value of $4.5M. It started holding PFSI on 2025-03-31. At its peak, it held 51.8K shares on 2026-03-31. Its highest holding value was $4.5M on 2026-03-31. At its lowest, it held 12.4K shares on 2025-03-31, with a value of $1.2M on 2025-03-31. In the recent 180 days, GROUP ONE TRADING LLC has increased its shares by 39.4K.