HENNESSY ADVISORS INC's ownership history for WMB

HENNESSY ADVISORS INC currently holds 527.2K shares with a market value of $33.4M. It started holding WMB on 2024-09-30. At its peak, it held 527.2K shares on 2025-09-30. Its highest holding value was $33.4M on 2025-09-30. At its lowest, it held 89.7K shares on 2024-09-30, with a value of $4.1M on 2024-09-30. In the recent 180 days, HENNESSY ADVISORS INC has increased its shares by 436.0K. In the recent year, HENNESSY ADVISORS INC has increased its shares by 437.6K.