Atom Investors’s Patterson-UTI PTEN Stock Holding History

Atom Investors’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	$6.65M	Buy	+614,212	New	+$5.26M	0.48%	40
2025 Q4	–	Sell	-34,407	Closed	-$178K	–	764
2025 Q3	$178K	Buy	34,407 +10,192	+42%	+$58.6K	0.01%	520
2025 Q2	$144K	Buy	+24,215	New	+$146K	0.01%	533
2024 Q2	–	Sell	-12,556	Closed	-$150K	–	633
2024 Q1	$150K	Buy	+12,556	New	+$139K	0.02%	502
2021 Q1	–	Sell	-42,060	Closed	-$221K	–	390
2020 Q4	$221K	Sell	42,060 -314	-0.7%	-$1.23K	0.02%	307
2020 Q3	$121K	Buy	+42,374	New	+$156K	0.01%	460
2019 Q4	–	Sell	-12,961	Closed	-$111K	–	294
2019 Q3	$111K	Buy	+12,961	New	+$127K	0.01%	272
2019 Q2	–	Sell	-120,459	Closed	-$1.69M	–	578
2019 Q1	$1.69M	Sell	120,459 -4,723	-4%	-$61.9K	0.14%	143
2018 Q4	$1.3M	Buy	+125,182	New	+$1.84M	0.13%	279

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

Atom Investors's PTEN Position: Q1 2026 in Review

Atom Investors opened a new position in Patterson-UTI (PTEN) in Q1 2026: 614,212 shares worth $6.65M. The stake represents 0.48% of the portfolio and ranks #40 among its holdings. This is a return to the name: Atom Investors previously reported a position in PTEN as recently as Q3 2025.

Atom Investors first reported a position in PTEN in Q4 2018 and has held it in 9 quarters since. 410 funds tracked by Wall St. Rank hold PTEN as of Q1 2026.

Atom Investors held 614,212 shares of Patterson-UTI worth $6.65M as of Q1 2026.
Patterson-UTI was a new Atom Investors position in Q1 2026.
Patterson-UTI made up 0.48% of Atom Investors's portfolio in Q1 2026, its #40 holding.
Atom Investors first reported a position in Patterson-UTI in Q4 2018 and has held it in 9 quarters since.
410 funds tracked by Wall St. Rank held Patterson-UTI as of Q1 2026.

Based on Atom Investors's 13F filing for Q1 2026, filed 15 May 2026.