DRIEHAUS CAPITAL MANAGEMENT LLC's ownership history for PTEN

DRIEHAUS CAPITAL MANAGEMENT LLC currently holds 2.6M shares with a market value of $27.7M. It started holding PTEN on 2026-03-31. At its peak, it held 2.6M shares on 2026-03-31. Its highest holding value was $27.7M on 2026-03-31. At its lowest, it held 2.6M shares on 2026-03-31, with a value of $27.7M on 2026-03-31.