Chesley Taft & Associates LLC's ownership history for AMGN

Chesley Taft & Associates LLC currently holds 20.1K shares with a market value of $7.1M. 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 $7.1M on 2026-03-31. 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 2.5K. In the recent year, Chesley Taft & Associates LLC has increased its shares by 281.