Calamos Advisors LLC's ownership history for AMGN

Calamos Advisors LLC currently holds 69.7K shares with a market value of $22.8M. It started holding AMGN on 2024-09-30. At its peak, it held 72.6K shares on 2025-09-30. Its highest holding value was $23.0M on 2024-09-30. At its lowest, it held 69.7K shares on 2025-12-31, with a value of $18.6M on 2024-12-31. In the recent 180 days, Calamos Advisors LLC has decreased its shares by 2.6K. In the recent year, Calamos Advisors LLC has decreased its shares by 1.7K.

It has also owned 21 contracts of calls, with the market value of the underlying securities totaling $592.6K on 2025-06-30. At its peak, it held 21 contracts of calls on 2025-12-31 and it owned calls with the market value of the underlying securities totaling $592.6K on 2025-12-31. At its lowest, it held 10 contracts of calls on 2025-06-30 and it owned calls with the market value of the underlying securities totaling $311.6K on 2025-06-30. In the recent 180 days, Calamos Advisors LLC has increased its holdings by 11 contracts.