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

GAMCO INVESTORS, INC. ET AL currently holds 13.5K shares with a market value of $14.2M. It started holding GHC on 2024-09-30. At its peak, it held 15.9K shares on 2024-09-30. Its highest holding value was $15.8M on 2025-09-30. At its lowest, it held 13.4K shares on 2025-09-30, with a value of $12.5M on 2024-12-31. In the recent 180 days, GAMCO INVESTORS, INC. ET AL has increased its shares by 45. In the recent year, GAMCO INVESTORS, INC. ET AL has decreased its shares by 177.