Calamos Advisors LLC's ownership history for MRK

Calamos Advisors LLC currently holds 510.2K shares with a market value of $42.8M. It started holding MRK on 2024-09-30. At its peak, it held 953.7K shares on 2024-09-30. Its highest holding value was $108.3M on 2024-09-30. At its lowest, it held 510.2K shares on 2025-09-30, with a value of $40.4M on 2025-06-30. In the recent 180 days, Calamos Advisors LLC has decreased its shares by 158.0K. In the recent year, Calamos Advisors LLC has decreased its shares by 443.5K.

It has also owned 410 contracts of calls, with the market value of the underlying securities totaling $3.7M on 2025-06-30. At its peak, it held 410 contracts of calls on 2025-06-30 and it owned calls with the market value of the underlying securities totaling $3.7M on 2025-06-30. At its lowest, it held 410 contracts of calls on 2025-06-30 and it owned calls with the market value of the underlying securities totaling $3.7M on 2025-06-30.