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

GAMCO INVESTORS, INC. ET AL currently holds 227.9K shares with a market value of $6.7M. It started holding QDEL on 2024-09-30. At its peak, it held 231.8K shares on 2024-09-30. Its highest holding value was $10.6M on 2024-09-30. At its lowest, it held 223.8K shares on 2025-06-30, with a value of $6.4M on 2025-06-30. In the recent 180 days, GAMCO INVESTORS, INC. ET AL has decreased its shares by 2.2K. In the recent year, GAMCO INVESTORS, INC. ET AL has decreased its shares by 3.9K.