Stephens Investment Management Group LLC's ownership history for AMPX

Stephens Investment Management Group LLC currently holds 893.1K shares with a market value of $15.1M. It started holding AMPX on 2025-09-30. At its peak, it held 1.4M shares on 2025-12-31. Its highest holding value was $15.1M on 2026-03-31. At its lowest, it held 893.1K shares on 2026-03-31, with a value of $11.4M on 2025-12-31. In the recent 180 days, Stephens Investment Management Group LLC has decreased its shares by 189.8K.