OPPENHEIMER & CO INC's ownership history for AMPX

OPPENHEIMER & CO INC currently holds 442.1K shares with a market value of $3.5M. It started holding AMPX on 2024-12-31. At its peak, it held 491.4K shares on 2025-03-31. Its highest holding value was $3.5M on 2025-12-31. At its lowest, it held 117.2K shares on 2024-12-31, with a value of $328.0K on 2024-12-31. In the recent 180 days, OPPENHEIMER & CO INC has decreased its shares by 7.1K. In the recent year, OPPENHEIMER & CO INC has increased its shares by 324.9K.