Dark Forest Capital Management’s Patterson-UTI PTEN Stock Holding History

Dark Forest Capital 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	$1.09M	Sell	100,565 -45,249	-31%	-$387K	0.1%	345
2025 Q4	$891K	Buy	+145,814	New	+$871K	0.04%	680
2023 Q2	–	Sell	-16,461	Closed	-$193K	–	1324
2023 Q1	$193K	Sell	16,461 -10,787	-40%	-$158K	0.05%	404
2022 Q4	$459K	Buy	+27,248	New	+$450K	0.11%	178
2022 Q3	–	Sell	-1,500	Closed	-$24K	–	1376
2022 Q2	$24K	Buy	+1,500	New	+$25.2K	0.01%	466

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

Dark Forest Capital Management's PTEN Position: Q1 2026 in Review

Dark Forest Capital Management reduced its Patterson-UTI (PTEN) stake by 31% in Q1 2026, selling an estimated $387K and leaving 100,565 shares worth $1.09M. The position accounts for 0.1% of the portfolio, ranked #345.

Dark Forest Capital Management first reported a position in PTEN in Q2 2022 and has held it in 5 quarters since. 410 funds tracked by Wall St. Rank hold PTEN as of Q1 2026.

Dark Forest Capital Management held 100,565 shares of Patterson-UTI worth $1.09M as of Q1 2026.
Dark Forest Capital Management sold 45,249 Patterson-UTI shares in Q1 2026, an estimated $387K.
Patterson-UTI made up 0.1% of Dark Forest Capital Management's portfolio in Q1 2026, its #345 holding.
Dark Forest Capital Management first reported a position in Patterson-UTI in Q2 2022 and has held it in 5 quarters since.
410 funds tracked by Wall St. Rank held Patterson-UTI as of Q1 2026.

Based on Dark Forest Capital Management's 13F filing for Q1 2026, filed 15 May 2026.