SIMPLEX TRADING, LLC's ownership history for MKL

SIMPLEX TRADING, LLC currently holds 640 shares with a market value of $1.4M. It started holding MKL on 2024-09-30. At its peak, it held 640 shares on 2025-12-31. Its highest holding value was $1.4M on 2025-12-31. At its lowest, it held 5 shares on 2024-12-31, with a value of $8 on 2024-12-31. In the recent 180 days, SIMPLEX TRADING, LLC has increased its shares by 635.