OBERWEIS ASSET MANAGEMENT INC/'s ownership history for PUMP

OBERWEIS ASSET MANAGEMENT INC/ currently holds 965.5K shares with a market value of $13.9M. It started holding PUMP on 2025-12-31. At its peak, it held 965.5K shares on 2026-03-31. Its highest holding value was $13.9M on 2026-03-31. At its lowest, it held 947.9K shares on 2025-12-31, with a value of $9.0M on 2025-12-31.