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

GAMCO INVESTORS, INC. ET AL currently holds 10.6K shares with a market value of $4.7M. It started holding ISRG on 2024-09-30. At its peak, it held 11.6K shares on 2024-09-30. Its highest holding value was $5.8M on 2024-12-31. At its lowest, it held 10.1K shares on 2025-03-31, with a value of $4.7M on 2025-09-30. In the recent 180 days, GAMCO INVESTORS, INC. ET AL has increased its shares by 528. In the recent year, GAMCO INVESTORS, INC. ET AL has decreased its shares by 1.0K.