O'Brien Greene & Co. Inc's ownership history for AMGN

O'Brien Greene & Co. Inc currently holds 29.7K shares with a market value of $9.7M. It started holding AMGN on 2024-09-30. At its peak, it held 31.4K shares on 2024-12-31. Its highest holding value was $10.1M on 2024-09-30. At its lowest, it held 29.6K shares on 2025-09-30, with a value of $8.2M on 2024-12-31. In the recent 180 days, O'Brien Greene & Co. Inc has decreased its shares by 185. In the recent year, O'Brien Greene & Co. Inc has decreased its shares by 1.7K.