Great Lakes Advisors’s Patterson-UTI PTEN Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$3.49M	Buy	321,950 +294,170	+1,059%	+$2.52M	0.03%	308
2025 Q4	$170K	Buy	+27,780	New	+$166K	﹤0.01%	784
2024 Q1	–	Sell	-702,718	Closed	-$7.59M	–	846
2023 Q4	$7.59M	Sell	702,718 -36,856	-5%	-$448K	0.07%	240
2023 Q3	$10.2M	Buy	+739,574	New	+$10.8M	0.09%	192
2022 Q4	–	Sell	-421,627	Closed	-$4.92M	–	674
2022 Q3	$4.92M	Buy	+421,627	New	+$6.03M	0.11%	215
2022 Q2	–	Sell	-710,891	Closed	-$11M	–	732
2022 Q1	$11M	Sell	710,891 -140,609	-17%	-$1.77M	0.18%	148
2021 Q4	$7.2M	Sell	851,500 -16,574	-2%	-$143K	0.11%	208
2021 Q3	$7.81M	Sell	868,074 -27,059	-3%	-$219K	0.12%	207
2021 Q2	$8.9M	Buy	+895,133	New	+$7.57M	0.13%	202
2019 Q3	–	Sell	-444,794	Closed	-$5.12M	–	573
2019 Q2	$5.12M	Buy	444,794 +491	+0.1%	+$6.32K	0.11%	196
2019 Q1	$6.23M	Sell	444,303 -73,297	-14%	-$961K	0.14%	168
2018 Q4	$5.36M	Buy	+517,600	New	+$7.63M	0.13%	176
2016 Q4	–	Sell	-132,735	Closed	-$2.97M	–	591
2016 Q3	$2.97M	Buy	+132,735	New	+$2.66M	0.08%	203