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 Q2	$2.79M	Buy	+303,968	New	+$3.39M	0.03%	299
2026 Q1	–	Sell	-315,832	Closed	-$1.93M	–	748
2025 Q4	$1.93M	Buy	+315,832	New	+$1.89M	0.03%	316
2025 Q3	–	Sell	-159,057	Closed	-$943K	–	747
2025 Q2	$943K	Buy	+159,057	New	+$958K	0.01%	338
2024 Q4	–	Sell	-103,664	Closed	-$793K	–	823
2024 Q3	$793K	Buy	+103,664	New	+$955K	0.02%	457
2024 Q2	–	Sell	-101,400	Closed	-$1.21M	–	390
2024 Q1	$1.21M	Buy	+101,400	New	+$1.13M	0.04%	186
2020 Q1	–	Sell	-18,627	Closed	-$196K	–	302
2019 Q4	$196K	Buy	+18,627	New	+$169K	0.01%	256

Other funds holding PTEN

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Sourcerock Group Denver, Colorado $1.92B AUM 45.54% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return

Weiss Asset Management's PTEN Position: Q2 2026 in Review

Weiss Asset Management opened a new position in Patterson-UTI (PTEN) in Q2 2026: 303,968 shares worth $2.79M. The stake represents 0.03% of the portfolio and ranks #299 among its holdings. This is a return to the name: Weiss Asset Management previously reported a position in PTEN as recently as Q4 2025.

Weiss Asset Management first reported a position in PTEN in Q4 2019 and has held it in 6 quarters since. 439 funds tracked by Wall St. Rank hold PTEN as of Q2 2026.

Weiss Asset Management held 303,968 shares of Patterson-UTI worth $2.79M as of Q2 2026.
Patterson-UTI was a new Weiss Asset Management position in Q2 2026.
Patterson-UTI made up 0.03% of Weiss Asset Management's portfolio in Q2 2026, its #299 holding.
Weiss Asset Management first reported a position in Patterson-UTI in Q4 2019 and has held it in 6 quarters since.
439 funds tracked by Wall St. Rank held Patterson-UTI as of Q2 2026.

Based on Weiss Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.