Polaris Capital Management, LLC's ownership history for AMPH

Polaris Capital Management, LLC currently holds 43.2K shares with a market value of $846.9K. It started holding AMPH on 2024-12-31. At its peak, it held 43.2K shares on 2026-03-31. Its highest holding value was $951.5K on 2025-12-31. At its lowest, it held 13.1K shares on 2025-09-30, with a value of $349.1K on 2025-09-30. In the recent 180 days, Polaris Capital Management, LLC has increased its shares by 30.1K. In the recent year, Polaris Capital Management, LLC has increased its shares by 12.4K.