Sigma Planning Corp's ownership history for OPEN

Sigma Planning Corp currently holds 158.2K shares with a market value of $1.3M. It started holding OPEN on 2025-09-30. At its peak, it held 158.2K shares on 2025-09-30. Its highest holding value was $1.3M on 2025-09-30. At its lowest, it held 158.2K shares on 2025-09-30, with a value of $1.3M on 2025-09-30.