Boston Partners
PTEN icon

Boston Partners’s Patterson-UTI PTEN Stock Holding History

Boston Partners’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
2025
Q2 		– Sell
-78,193
Closed -$643K – 740
2025
Q1 		$643K Buy
+78,193
New +$656K ﹤0.01% 607
2024
Q3 		– Sell
-1,542,079
Closed -$15.8M – 752
2024
Q2 		$15.8M Sell
1,542,079
-373,145
-19% -$4.09M 0.02% 353
2024
Q1 		$22.7M Buy
1,915,224
+148,521
+8% +$1.65M 0.03% 312
2023
Q4 		$18.9M Sell
1,766,703
-51,776
-3% -$630K 0.03% 334
2023
Q3 		$24.8M Buy
+1,818,479
New +$26.6M 0.03% 288

Other funds holding PTEN

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Blackstone Inc
Blackstone Inc New York $32.9B AUM 23.66% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
SG
Sourcerock Group Denver, Colorado $1.92B AUM 45.54% 1-Year Est. Return
AIM
ARGA Investment Management Stamford, Connecticut $3.92B AUM 35.93% 1-Year Est. Return
Macquarie Group
Macquarie Group Sydney, NSW 2000, Australia $23.2B AUM 40.19% 1-Year Est. Return

Boston Partners's PTEN Position: Q2 2025 in Review

Boston Partners sold out of Patterson-UTI (PTEN) in Q2 2025, closing a stake of 78,193 shares — an estimated $643K sold.

Boston Partners first reported a position in PTEN in Q3 2023 and held it in 5 quarters. The position peaked at $24.8M in Q3 2023. 360 funds tracked by Wall St. Rank hold PTEN as of Q2 2025.

  • Boston Partners reported no remaining Patterson-UTI position as of Q2 2025 after selling out during the quarter.
  • Boston Partners sold 78,193 Patterson-UTI shares in Q2 2025, an estimated $643K.
  • Boston Partners first reported a position in Patterson-UTI in Q3 2023 and held it in 5 quarters.
  • Boston Partners's Patterson-UTI position peaked at $24.8M in Q3 2023.
  • 360 funds tracked by Wall St. Rank held Patterson-UTI as of Q2 2025.

Based on Boston Partners's 13F filing for Q2 2025, filed 7 Aug 2025.