Magnetar Financial’s Patterson-UTI PTEN Stock Holding History

Magnetar Financial’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	-40,469	Closed	-$247K	–	1348
2025 Q4	$247K	Sell	40,469 -240,450	-86%	-$1.44M	﹤0.01%	747
2025 Q3	$1.46M	Buy	280,919 +247,010	+728%	+$1.42M	0.01%	411
2025 Q2	$201K	Buy	+33,909	New	+$204K	﹤0.01%	799
2024 Q4	–	Sell	-318,606	Closed	-$2.44M	–	752
2024 Q3	$2.44M	Buy	318,606 +65,510	+26%	+$604K	0.05%	221
2024 Q2	$2.62M	Sell	253,096 -8,751	-3%	-$96K	0.05%	184
2024 Q1	$3.13M	Sell	261,847 -9,507	-4%	-$106K	0.07%	164
2023 Q4	$2.93M	Buy	+271,354	New	+$3.3M	0.07%	171
2018 Q1	–	Sell	-24,963	Closed	-$574K	–	763
2017 Q4	$574K	Buy	+24,963	New	+$517K	0.01%	352
2017 Q3	–	Sell	-1,110,613	Closed	-$22.4M	–	880
2017 Q2	$22.4M	Buy	1,110,613 +1,096,249	+7,632%	+$23.9M	0.34%	61
2017 Q1	$349K	Buy	+14,364	New	+$387K	0.01%	530

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

Magnetar Financial's PTEN Position: Q1 2026 in Review

Magnetar Financial sold out of Patterson-UTI (PTEN) in Q1 2026, closing a stake of 40,469 shares — an estimated $247K sold.

Magnetar Financial first reported a position in PTEN in Q1 2017 and held it in 10 quarters. The position peaked at $22.4M in Q2 2017. 410 funds tracked by Wall St. Rank hold PTEN as of Q1 2026.

Magnetar Financial reported no remaining Patterson-UTI position as of Q1 2026 after selling out during the quarter.
Magnetar Financial sold 40,469 Patterson-UTI shares in Q1 2026, an estimated $247K.
Magnetar Financial first reported a position in Patterson-UTI in Q1 2017 and held it in 10 quarters.
Magnetar Financial's Patterson-UTI position peaked at $22.4M in Q2 2017.
410 funds tracked by Wall St. Rank held Patterson-UTI as of Q1 2026.

Based on Magnetar Financial's 13F filing for Q1 2026, filed 13 May 2026.