HENNESSY ADVISORS INC's ownership history for ATRO

HENNESSY ADVISORS INC currently holds 416.3K shares with a market value of $19.0M. 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 $19.0M on 2025-09-30. At its lowest, it held 416.3K shares on 2025-09-30, with a value of $15.0M on 2025-06-30.