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Thompson Siegel & Walmsley’s Patterson-UTI PTEN Stock Holding History

Thompson Siegel & Walmsley’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
Q2 		– Sell
-46,773
Closed -$507K – 451
2026
Q1 		$507K Sell
46,773
-1,075,027
-96% -$9.2M 0.01% 356
2025
Q4 		$6.85M Sell
1,121,800
-49,067
-4% -$293K 0.12% 187
2025
Q3 		$6.07M Buy
1,170,867
+152,210
+15% +$875K 0.1% 197
2025
Q2 		$6.04M Sell
1,018,657
-35,815
-3% -$216K 0.1% 192
2025
Q1 		$8.67M Buy
1,054,472
+324,583
+44% +$2.72M 0.15% 138
2024
Q4 		$6.03M Buy
+729,889
New +$5.86M 0.09% 177
2020
Q1 		– Sell
-175
Closed -$2K – 764
2019
Q4 		$2K Buy
+175
New +$1.58K ﹤0.01% 717

Other funds holding PTEN

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
SG
Sourcerock Group Denver, Colorado $1.92B AUM 45.54% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return

Thompson Siegel & Walmsley's PTEN Position: Q2 2026 in Review

Thompson Siegel & Walmsley sold out of Patterson-UTI (PTEN) in Q2 2026, closing a stake of 46,773 shares — an estimated $507K sold.

Thompson Siegel & Walmsley first reported a position in PTEN in Q4 2019 and held it in 7 quarters. The position peaked at $8.67M in Q1 2025. 437 funds tracked by Wall St. Rank hold PTEN as of Q2 2026.

  • Thompson Siegel & Walmsley reported no remaining Patterson-UTI position as of Q2 2026 after selling out during the quarter.
  • Thompson Siegel & Walmsley sold 46,773 Patterson-UTI shares in Q2 2026, an estimated $507K.
  • Thompson Siegel & Walmsley first reported a position in Patterson-UTI in Q4 2019 and held it in 7 quarters.
  • Thompson Siegel & Walmsley's Patterson-UTI position peaked at $8.67M in Q1 2025.
  • 437 funds tracked by Wall St. Rank held Patterson-UTI as of Q2 2026.

Based on Thompson Siegel & Walmsley's 13F filing for Q2 2026, filed 11 Aug 2026.