Calamos Advisors LLC's ownership history for COST

Calamos Advisors LLC currently holds 95.6K shares with a market value of $88.5M. It started holding COST on 2024-09-30. At its peak, it held 107.7K shares on 2024-09-30. Its highest holding value was $104.3M on 2025-06-30. At its lowest, it held 95.6K shares on 2025-09-30, with a value of $88.5M on 2025-09-30. In the recent 180 days, Calamos Advisors LLC has decreased its shares by 9.7K. In the recent year, Calamos Advisors LLC has decreased its shares by 12.1K.

It has also owned 20 contracts of calls, with the market value of the underlying securities totaling $2.0M on 2025-03-31. At its peak, it held 20 contracts of calls on 2025-09-30 and it owned calls with the market value of the underlying securities totaling $2.0M on 2025-09-30. At its lowest, it held 5 contracts of calls on 2025-03-31 and it owned calls with the market value of the underlying securities totaling $458.1K on 2025-03-31. In the recent 180 days, Calamos Advisors LLC has increased its holdings by 15 contracts.