ACK Asset Management LLC's ownership history for MTRN

ACK Asset Management LLC currently holds 524.8K shares with a market value of $63.4M. It started holding MTRN on 2024-09-30. At its peak, it held 524.8K shares on 2025-06-30. Its highest holding value was $63.4M on 2025-09-30. At its lowest, it held 459.2K shares on 2025-03-31, with a value of $37.5M on 2025-03-31. In the recent 180 days, ACK Asset Management LLC has increased its shares by 65.6K. In the recent year, ACK Asset Management LLC has increased its shares by 19.3K.