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

GAMCO INVESTORS, INC. ET AL currently holds 24.6K shares with a market value of $4.2M. It started holding AMT on 2024-09-30. At its peak, it held 31.7K shares on 2024-09-30. Its highest holding value was $7.4M on 2024-09-30. At its lowest, it held 24.6K shares on 2025-12-31, with a value of $4.2M on 2026-03-31. In the recent 180 days, GAMCO INVESTORS, INC. ET AL has decreased its shares by 716. In the recent year, GAMCO INVESTORS, INC. ET AL has decreased its shares by 2.8K.