OBERWEIS ASSET MANAGEMENT INC/'s ownership history for TPC

OBERWEIS ASSET MANAGEMENT INC/ currently holds 377.8K shares with a market value of $24.8M. It started holding TPC on 2025-03-31. At its peak, it held 377.8K shares on 2025-06-30. Its highest holding value was $24.8M on 2025-09-30. At its lowest, it held 336.2K shares on 2025-03-31, with a value of $7.8M on 2025-03-31. In the recent 180 days, OBERWEIS ASSET MANAGEMENT INC/ has increased its shares by 41.6K.