Calamos Advisors LLC's ownership history for AMGN

Calamos Advisors LLC currently holds 72.6K shares with a market value of $20.5M. 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 71.5K shares on 2024-09-30, with a value of $18.6M on 2024-12-31. In the recent 180 days, Calamos Advisors LLC has increased its shares by 244. In the recent year, Calamos Advisors LLC has increased its shares by 1.1K.

It has also owned 20 contracts of calls, with the market value of the underlying securities totaling $558.4K on 2025-06-30. 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 $558.4K on 2025-09-30. 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.