Calamos Advisors LLC's ownership history for CBOE

Calamos Advisors LLC currently holds 88.1K shares with a market value of $21.6M. It started holding CBOE on 2024-09-30. At its peak, it held 88.1K shares on 2025-03-31. Its highest holding value was $21.6M on 2025-09-30. At its lowest, it held 87.1K shares on 2024-09-30, with a value of $17.0M on 2024-12-31. In the recent 180 days, Calamos Advisors LLC has increased its shares by 0. In the recent year, Calamos Advisors LLC has increased its shares by 981.