Sigma Planning Corp's ownership history for WMB

Sigma Planning Corp currently holds 28.9K shares with a market value of $2.1M. It started holding WMB on 2024-09-30. At its peak, it held 32.7K shares on 2025-06-30. Its highest holding value was $2.1M on 2026-03-31. At its lowest, it held 28.9K shares on 2024-09-30, with a value of $1.3M on 2024-09-30. In the recent 180 days, Sigma Planning Corp has decreased its shares by 504. In the recent year, Sigma Planning Corp has decreased its shares by 3.4K.