Sigma Planning Corp's ownership history for GLW

Sigma Planning Corp currently holds 29.3K shares with a market value of $2.6M. It started holding GLW on 2024-09-30. At its peak, it held 29.3K shares on 2025-12-31. Its highest holding value was $2.6M on 2025-12-31. At its lowest, it held 10.5K shares on 2025-03-31, with a value of $476.4K on 2024-09-30. In the recent 180 days, Sigma Planning Corp has increased its shares by 18.5K. In the recent year, Sigma Planning Corp has increased its shares by 16.7K.