HENNESSY ADVISORS INC's ownership history for ATRO

HENNESSY ADVISORS INC currently holds 390.9K shares with a market value of $21.2M. It started holding ATRO on 2025-06-30. At its peak, it held 449.4K shares on 2025-06-30. Its highest holding value was $21.2M on 2025-12-31. At its lowest, it held 390.9K shares on 2025-12-31, with a value of $15.0M on 2025-06-30. In the recent 180 days, HENNESSY ADVISORS INC has decreased its shares by 58.5K.