Marshall Wace North America’s Patterson-UTI PTEN Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2020 Q2	–	Sell	-274,932	Closed	-$646K	–	1413
2020 Q1	$646K	Buy	+274,932	New	+$1.78M	﹤0.01%	704
2019 Q4	–	Sell	-36,667	Closed	-$313K	–	1540
2019 Q3	$313K	Sell	36,667 -866,161	-96%	-$8.49M	﹤0.01%	883
2019 Q2	$10.4M	Buy	902,828 +516,611	+134%	+$6.65M	0.06%	234
2019 Q1	$5.42M	Buy	386,217 +226,795	+142%	+$2.97M	0.04%	314
2018 Q4	$1.65M	Buy	159,422 +68,651	+76%	+$1.01M	0.02%	474
2018 Q3	$1.55M	Sell	90,771 -154,982	-63%	-$2.66M	0.01%	537
2018 Q2	$4.42M	Sell	245,753 -302,755	-55%	-$6.07M	0.03%	546
2018 Q1	$9.6M	Sell	548,508 -268,804	-33%	-$5.61M	0.05%	405
2017 Q4	$18.8M	Sell	817,312 -684,566	-46%	-$14.2M	0.1%	238
2017 Q3	$31.5M	Buy	1,501,878 +374,434	+33%	+$6.9M	0.2%	137
2017 Q2	$22.5M	Buy	1,127,444 +757,798	+205%	+$16.5M	0.16%	161
2017 Q1	$8.87M	Buy	+369,646	New	+$9.97M	0.07%	295
2013 Q4	–	Sell	-621,095	Closed	-$13.3M	–	813
2013 Q3	$13.3M	Buy	621,095 +337,320	+119%	+$6.93M	0.41%	71
2013 Q2	$5.49M	Buy	+283,775	New	+$6.19M	0.43%	84