Weiss Asset Management’s Patterson-UTI PTEN Stock Holding History

Weiss Asset Management’s Portfolio PTEN Stock Details PTEN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-315,832	Closed	-$1.93M	–	750
2025 Q4	$1.93M	Buy	+315,832	New	+$1.89M	0.03%	316
2025 Q3	–	Sell	-159,057	Closed	-$943K	–	752
2025 Q2	$943K	Buy	+159,057	New	+$958K	0.01%	338
2024 Q4	–	Sell	-103,664	Closed	-$793K	–	828
2024 Q3	$793K	Buy	+103,664	New	+$955K	0.02%	457
2024 Q2	–	Sell	-101,400	Closed	-$1.21M	–	403
2024 Q1	$1.21M	Buy	+101,400	New	+$1.13M	0.06%	186
2020 Q1	–	Sell	-18,627	Closed	-$196K	–	310
2019 Q4	$196K	Buy	+18,627	New	+$169K	0.02%	256

Other funds holding PTEN

BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Dimensional Fund Advisors

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

American Century Companies

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

Sourcerock Group Denver, Colorado $2.38B AUM 72.25% 1-Year Est. Return

Goldman Sachs New York $761B AUM 31.28% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Invesco Atlanta, Georgia $653B AUM 32.41% 1-Year Est. Return

Fuller & Thaler Asset Management

Fuller & Thaler Asset Management San Mateo, California $29.7B AUM 43.33% 1-Year Est. Return