Columbia Asset Management's ownership history for AMGN

Columbia Asset Management currently holds 23.0K shares with a market value of $7.5M. It started holding AMGN on 2024-09-30. At its peak, it held 23.1K shares on 2024-09-30. Its highest holding value was $7.5M on 2025-12-31. At its lowest, it held 21.5K shares on 2025-03-31, with a value of $7.4K on 2024-09-30. In the recent 180 days, Columbia Asset Management has increased its shares by 335. In the recent year, Columbia Asset Management has increased its shares by 807.

It has also owned 12.0K contracts of calls, with the market value of the underlying securities totaling $1.2M on 2024-12-31. At its peak, it held 12.0K contracts of calls on 2024-12-31 and it owned calls with the market value of the underlying securities totaling $1.2M on 2024-12-31. At its lowest, it held 12.0K contracts of calls on 2024-12-31 and it owned calls with the market value of the underlying securities totaling $1.2M on 2024-12-31.