UBS Group’s Patterson-UTI PTEN Stock Holding History

UBS Group’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
2018 Q3	–	Sell	-46,300	Closed	-$833K	–	8201
2018 Q2	$833K	Sell	46,300 -147,100	-76%	-$2.95M	﹤0.01%	3934
2018 Q1	$3.39M	Buy	193,400 +155,000	+404%	+$3.24M	﹤0.01%	2672
2017 Q4	$884K	Buy	+38,400	New	+$796K	﹤0.01%	3882
2017 Q1	–	Sell	-57,500	Closed	-$1.55M	–	7897
2016 Q4	$1.55M	Buy	+57,500	New	+$1.42M	﹤0.01%	3143
2016 Q1	–	Sell	-145,000	Closed	-$2.19M	–	8050
2015 Q4	$2.19M	Buy	145,000 +50,000	+53%	+$769K	﹤0.01%	2709
2015 Q3	$1.25M	Buy	95,000 +65,000	+217%	+$1.03M	﹤0.01%	3152
2015 Q2	$564K	Buy	+30,000	New	+$622K	﹤0.01%	4007
2015 Q1	–	Sell	-500	Closed	-$8K	–	9244
2014 Q4	$8K	Buy	+500	New	+$10.5K	﹤0.01%	8596

Other funds holding PTEN

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

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

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

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

Sourcerock Group Denver, Colorado $2.48B AUM 72.25% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

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

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

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

UBS Group's PTEN Position: Q1 2026 in Review

UBS Group reduced its Patterson-UTI (PTEN) stake by 65% in Q1 2026, selling an estimated $46.2M and leaving 2,919,491 shares worth $31.6M. The position accounts for ﹤0.01% of the portfolio, ranked #2112.

UBS Group first reported a position in PTEN in Q4 2014 and has held it in 46 quarters since. The position peaked at $50.8M in Q4 2025. 410 funds tracked by Wall St. Rank hold PTEN as of Q1 2026.

UBS Group held 2,919,491 shares of Patterson-UTI worth $31.6M as of Q1 2026.
UBS Group sold 5,401,053 Patterson-UTI shares in Q1 2026, an estimated $46.2M.
Patterson-UTI made up ﹤0.01% of UBS Group's portfolio in Q1 2026, its #2112 holding.
UBS Group first reported a position in Patterson-UTI in Q4 2014 and has held it in 46 quarters since.
UBS Group's Patterson-UTI position peaked at $50.8M in Q4 2025.
410 funds tracked by Wall St. Rank held Patterson-UTI as of Q1 2026.

Based on UBS Group's 13F filing for Q1 2026, filed 5 May 2026.