Portolan Capital Management, LLC's ownership history for AMPL

Portolan Capital Management, LLC currently holds 359.6K shares with a market value of $2.5M. It started holding AMPL on 2025-12-31. At its peak, it held 560.1K shares on 2025-12-31. Its highest holding value was $6.5M on 2025-12-31. At its lowest, it held 359.6K shares on 2026-03-31, with a value of $2.5M on 2026-03-31.