Key Energy Services Inc $18,955 Expro Group Holdings Ord Shs $161,220 Nextier Oilfield Solutions $13,297,004 Patterson-UTI Energy $20,520,687 Key Energy Services Inc $18,955 Expro Group Holdings Ord Shs $161,220 Nextier Oilfield Solutions $13,297,004 Patterson-UTI Energy $20,520,687