Key Energy Services Inc $18,955 Expro Group Holdings Ord Shs $136,814 Nextier Oilfield Solutions $13,297,004 Patterson-UTI Energy $22,127,003 Key Energy Services Inc $18,955 Expro Group Holdings Ord Shs $136,814 Nextier Oilfield Solutions $13,297,004 Patterson-UTI Energy $22,127,003