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

GAMCO INVESTORS, INC. ET AL currently holds 596.5K shares with a market value of $27.7M. It started holding GRC on 2024-09-30. At its peak, it held 596.5K shares on 2025-09-30. Its highest holding value was $27.7M on 2025-09-30. At its lowest, it held 522.9K shares on 2024-12-31, with a value of $19.5M on 2025-03-31. In the recent 180 days, GAMCO INVESTORS, INC. ET AL has increased its shares by 41.8K. In the recent year, GAMCO INVESTORS, INC. ET AL has increased its shares by 70.5K.