Harbor Capital Advisors’s Patterson-UTI PTEN Stock Holding History

Harbor Capital Advisors’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	-1,728	Closed	-$11K	–	1434
2025 Q4	$11K	Sell	1,728 -30	-2%	-$179	﹤0.01%	932
2025 Q3	$9K	Buy	+1,758	New	+$10.1K	﹤0.01%	990
2024 Q3	–	Sell	-146,095	Closed	-$1.51M	–	1358
2024 Q2	$1.51M	Buy	146,095 +110,581	+311%	+$1.21M	0.12%	255
2024 Q1	$424K	Sell	35,514 -150,270	-81%	-$1.67M	0.06%	438
2023 Q4	$2.01M	Buy	185,784 +45,034	+32%	+$548K	0.39%	64
2023 Q3	$1.95M	Sell	140,750 -1,041	-0.7%	-$15.2K	0.42%	54
2023 Q2	$1.7M	Buy	+141,791	New	+$1.6M	0.34%	70

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

Harbor Capital Advisors's PTEN Position: Q1 2026 in Review

Harbor Capital Advisors sold out of Patterson-UTI (PTEN) in Q1 2026, closing a stake of 1,728 shares — an estimated $11K sold.

Harbor Capital Advisors first reported a position in PTEN in Q2 2023 and held it in 7 quarters. The position peaked at $2.01M in Q4 2023. 410 funds tracked by Wall St. Rank hold PTEN as of Q1 2026.

Harbor Capital Advisors reported no remaining Patterson-UTI position as of Q1 2026 after selling out during the quarter.
Harbor Capital Advisors sold 1,728 Patterson-UTI shares in Q1 2026, an estimated $11K.
Harbor Capital Advisors first reported a position in Patterson-UTI in Q2 2023 and held it in 7 quarters.
Harbor Capital Advisors's Patterson-UTI position peaked at $2.01M in Q4 2023.
410 funds tracked by Wall St. Rank held Patterson-UTI as of Q1 2026.

Based on Harbor Capital Advisors's 13F filing for Q1 2026, filed 28 Apr 2026.