Chesley Taft & Associates LLC's ownership history for AMGN

Chesley Taft & Associates LLC currently holds 20.2K shares with a market value of $6.6M. It started holding AMGN on 2024-09-30. At its peak, it held 20.2K shares on 2025-12-31. Its highest holding value was $6.6M on 2025-12-31. At its lowest, it held 17.6K shares on 2025-09-30, with a value of $5.0M on 2025-09-30. In the recent 180 days, Chesley Taft & Associates LLC has increased its shares by 192. In the recent year, Chesley Taft & Associates LLC has increased its shares by 857.