SIMPLEX TRADING, LLC's ownership history for GREK

SIMPLEX TRADING, LLC currently holds 17.0K shares with a market value of $1.1M. It started holding GREK on 2024-09-30. At its peak, it held 17.0K shares on 2026-03-31. Its highest holding value was $1.1M on 2026-03-31. At its lowest, it held 108 shares on 2025-03-31, with a value of $5 on 2025-03-31. In the recent 180 days, SIMPLEX TRADING, LLC has increased its shares by 16.9K.