Quantitative Investment Management’s Patterson-UTI PTEN Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q2	–	Sell	-12,800	Closed	-$105K	–	436
2025 Q1	$105K	Buy	+12,800	New	+$107K	0.01%	315
2023 Q1	–	Sell	-19,757	Closed	-$332K	–	306
2022 Q4	$332K	Buy	+19,757	New	+$326K	0.06%	173
2021 Q1	–	Sell	-61,248	Closed	-$322K	–	633
2020 Q4	$322K	Buy	+61,248	New	+$241K	0.03%	391
2020 Q2	–	Sell	-132,825	Closed	-$312K	–	656
2020 Q1	$312K	Buy	+132,825	New	+$859K	0.03%	389
2019 Q1	–	Sell	-20,600	Closed	-$213K	–	796
2018 Q4	$213K	Buy	+20,600	New	+$304K	0.01%	491
2017 Q3	–	Sell	-89,000	Closed	-$1.8M	–	810
2017 Q2	$1.8M	Buy	+89,000	New	+$1.94M	0.03%	514
2017 Q1	–	Sell	-166,900	Closed	-$4.49M	–	862
2016 Q4	$4.49M	Buy	166,900 +85,400	+105%	+$2.11M	0.11%	287
2016 Q3	$1.82M	Buy	81,500 +34,300	+73%	+$689K	0.06%	329
2016 Q2	$1.01M	Sell	47,200 -137,700	-74%	-$2.59M	0.05%	425
2016 Q1	$3.26M	Buy	184,900 +156,700	+556%	+$2.34M	0.16%	159
2015 Q4	$425K	Sell	28,200 -36,000	-56%	-$554K	0.03%	530
2015 Q3	$843K	Buy	+64,200	New	+$1.02M	0.06%	336
2014 Q1	–	Sell	-48,000	Closed	-$1.22M	–	690
2013 Q4	$1.22M	Buy	48,000 +2,500	+5%	+$59.8K	0.12%	170
2013 Q3	$972K	Buy	+45,500	New	+$934K	0.09%	226