GAMCO INVESTORS, INC. ET AL's ownership history for MTRN

GAMCO INVESTORS, INC. ET AL currently holds 195.2K shares with a market value of $23.6M. It started holding MTRN on 2024-09-30. At its peak, it held 195.2K shares on 2025-09-30. Its highest holding value was $23.6M on 2025-09-30. At its lowest, it held 187.2K shares on 2025-06-30, with a value of $14.9M on 2025-06-30. In the recent 180 days, GAMCO INVESTORS, INC. ET AL has increased its shares by 7.4K. In the recent year, GAMCO INVESTORS, INC. ET AL has increased its shares by 900.