Marshall Wace North America’s ProPetro Holding PUMP Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2021 Q3	$11M	Sell	1,276,993 -282,248	-18%	-$2.21M	0.05%	333
2021 Q2	$14.3M	Hold	1,559,241	–	–	0.06%	311
2021 Q1	$16.6M	Sell	1,559,241 -88,813	-5%	-$881K	0.07%	291
2020 Q4	$12.2M	Hold	1,648,054	–	–	0.06%	340
2020 Q3	$6.69M	Hold	1,648,054	–	–	0.04%	343
2020 Q2	$8.47M	Sell	1,648,054 -66,060	-4%	-$304K	0.06%	282
2020 Q1	$4.29M	Buy	1,714,114 +74,144	+5%	+$596K	0.03%	347
2019 Q4	$18.4M	Buy	1,639,970 +590,044	+56%	+$5.27M	0.09%	210
2019 Q3	$9.54M	Buy	+1,049,926	New	+$14.6M	0.05%	265
2019 Q2	–	Sell	-181,460	Closed	-$4.09M	–	1532
2019 Q1	$4.09M	Buy	181,460 +156,740	+634%	+$2.8M	0.03%	357
2018 Q4	$304K	Sell	24,720 -245,185	-91%	-$4.04M	﹤0.01%	885
2018 Q3	$4.45M	Buy	+269,905	New	+$4.35M	0.03%	345
2017 Q4	–	Sell	-106,630	Closed	-$1.49M	–	1563
2017 Q3	$1.49M	Buy	+106,630	New	+$1.34M	0.01%	865