SIMPLEX TRADING, LLC's ownership history for WDC

SIMPLEX TRADING, LLC currently holds 341.8K shares with a market value of $58.9M. It started holding WDC on 2024-09-30. At its peak, it held 341.8K shares on 2025-12-31. Its highest holding value was $58.9M on 2025-12-31. At its lowest, it held 30.1K shares on 2024-09-30, with a value of $2.1K on 2024-09-30. In the recent 180 days, SIMPLEX TRADING, LLC has increased its shares by 264.3K.