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

GAMCO INVESTORS, INC. ET AL currently holds 253.9K shares with a market value of $4.2M. It started holding QDEL on 2024-09-30. At its peak, it held 253.9K shares on 2026-03-31. 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 $4.2M on 2026-03-31. In the recent 180 days, GAMCO INVESTORS, INC. ET AL has increased its shares by 26.0K. In the recent year, GAMCO INVESTORS, INC. ET AL has increased its shares by 23.8K.