SIMPLEX TRADING, LLC's ownership history for BIRK

SIMPLEX TRADING, LLC currently holds 48.4K shares with a market value of $2.0M. It started holding BIRK on 2024-12-31. At its peak, it held 48.4K shares on 2025-12-31. Its highest holding value was $2.0M on 2025-12-31. At its lowest, it held 10.1K shares on 2024-12-31, with a value of $574 on 2024-12-31. In the recent 180 days, SIMPLEX TRADING, LLC has increased its shares by 18.6K. In the recent year, SIMPLEX TRADING, LLC has increased its shares by 38.3K.