SIMPLEX TRADING, LLC's ownership history for ABT

SIMPLEX TRADING, LLC currently holds 19.7K shares with a market value of $2.6K. It started holding ABT on 2025-06-30. At its peak, it held 39.6K shares on 2025-06-30. Its highest holding value was $5.4K on 2025-06-30. At its lowest, it held 19.7K shares on 2025-09-30, with a value of $2.6K on 2025-09-30.