DRIEHAUS CAPITAL MANAGEMENT LLC's ownership history for RIG

DRIEHAUS CAPITAL MANAGEMENT LLC currently holds 7.2M shares with a market value of $47.8M. It started holding RIG on 2026-03-31. At its peak, it held 7.2M shares on 2026-03-31. Its highest holding value was $47.8M on 2026-03-31. At its lowest, it held 7.2M shares on 2026-03-31, with a value of $47.8M on 2026-03-31.