SIMPLEX TRADING, LLC's ownership history for REGN

SIMPLEX TRADING, LLC currently holds 8.6K shares with a market value of $6.6M. It started holding REGN on 2024-09-30. At its peak, it held 8.6K shares on 2025-12-31. Its highest holding value was $6.6M on 2025-12-31. At its lowest, it held 3.1K shares on 2024-12-31, with a value of $2.2K on 2024-12-31. In the recent 180 days, SIMPLEX TRADING, LLC has increased its shares by 5.4K.