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

GAMCO INVESTORS, INC. ET AL currently holds 155.0K shares with a market value of $8.4M. It started holding SON on 2024-09-30. At its peak, it held 155.0K shares on 2024-09-30. Its highest holding value was $8.5M on 2024-09-30. At its lowest, it held 155.0K shares on 2024-09-30, with a value of $6.7M on 2025-09-30. In the recent 180 days, GAMCO INVESTORS, INC. ET AL has increased its shares by 0. In the recent year, GAMCO INVESTORS, INC. ET AL has increased its shares by 0.