Illinois Municipal Retirement Fund’s Patterson-UTI PTEN Stock Holding History

Illinois Municipal Retirement Fund’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	$1.65M	Sell	152,491 -19,439	-11%	-$166K	0.02%	654
2025 Q4	$1.05M	Sell	171,930 -24,737	-13%	-$148K	0.01%	826
2025 Q3	$1.02M	Buy	196,667 +30,791	+19%	+$177K	0.01%	839
2025 Q2	$984K	Sell	165,876 -23,191	-12%	-$140K	0.01%	872
2025 Q1	$1.55M	Buy	+189,067	New	+$1.59M	0.02%	686
2024 Q4	–	Sell	-188,777	Closed	-$1.44M	–	1367
2024 Q3	$1.44M	Buy	188,777 +3,418	+2%	+$31.5K	0.02%	756
2024 Q2	$1.92M	Buy	185,359 +3,157	+2%	+$34.6K	0.03%	550
2024 Q1	$2.17M	Sell	182,202 -20,730	-10%	-$230K	0.03%	510
2023 Q4	$2.19M	Buy	202,932 +21,031	+12%	+$256K	0.04%	469
2023 Q3	$2.52M	Buy	+181,901	New	+$2.66M	0.05%	394

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

Illinois Municipal Retirement Fund's PTEN Position: Q1 2026 in Review

Illinois Municipal Retirement Fund reduced its Patterson-UTI (PTEN) stake by 11% in Q1 2026, selling an estimated $166K and leaving 152,491 shares worth $1.65M. The position accounts for 0.02% of the portfolio, ranked #654.

Illinois Municipal Retirement Fund first reported a position in PTEN in Q3 2023 and has held it in 10 quarters since. The position peaked at $2.52M in Q3 2023. 410 funds tracked by Wall St. Rank hold PTEN as of Q1 2026.

Illinois Municipal Retirement Fund held 152,491 shares of Patterson-UTI worth $1.65M as of Q1 2026.
Illinois Municipal Retirement Fund sold 19,439 Patterson-UTI shares in Q1 2026, an estimated $166K.
Patterson-UTI made up 0.02% of Illinois Municipal Retirement Fund's portfolio in Q1 2026, its #654 holding.
Illinois Municipal Retirement Fund first reported a position in Patterson-UTI in Q3 2023 and has held it in 10 quarters since.
Illinois Municipal Retirement Fund's Patterson-UTI position peaked at $2.52M in Q3 2023.
410 funds tracked by Wall St. Rank held Patterson-UTI as of Q1 2026.

Based on Illinois Municipal Retirement Fund's 13F filing for Q1 2026, filed 5 May 2026.