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Great Lakes Advisors’s Patterson-UTI PTEN Stock Holding History

Great Lakes 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
Q2 		$1.94M Sell
211,550
-110,400
-34% -$1.23M 0.01% 430
2026
Q1 		$3.49M Buy
321,950
+294,170
+1,059% +$2.52M 0.03% 308
2025
Q4 		$170K Buy
+27,780
New +$166K ﹤0.01% 784
2024
Q1 		– Sell
-702,718
Closed -$7.59M – 846
2023
Q4 		$7.59M Sell
702,718
-36,856
-5% -$448K 0.07% 240
2023
Q3 		$10.2M Buy
+739,574
New +$10.8M 0.09% 192
2022
Q4 		– Sell
-421,627
Closed -$4.92M – 674
2022
Q3 		$4.92M Buy
+421,627
New +$6.03M 0.11% 215
2022
Q2 		– Sell
-710,891
Closed -$11M – 732
2022
Q1 		$11M Sell
710,891
-140,609
-17% -$1.77M 0.18% 148
2021
Q4 		$7.2M Sell
851,500
-16,574
-2% -$143K 0.11% 208
2021
Q3 		$7.81M Sell
868,074
-27,059
-3% -$219K 0.12% 207
2021
Q2 		$8.9M Buy
+895,133
New +$7.57M 0.13% 202
2019
Q3 		– Sell
-444,794
Closed -$5.12M – 573
2019
Q2 		$5.12M Buy
444,794
+491
+0.1% +$6.32K 0.11% 196
2019
Q1 		$6.23M Sell
444,303
-73,297
-14% -$961K 0.14% 168
2018
Q4 		$5.36M Buy
+517,600
New +$7.63M 0.13% 176
2016
Q4 		– Sell
-132,735
Closed -$2.97M – 591
2016
Q3 		$2.97M Buy
+132,735
New +$2.66M 0.08% 203

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

Great Lakes Advisors's PTEN Position: Q2 2026 in Review

Great Lakes Advisors reduced its Patterson-UTI (PTEN) stake by 34% in Q2 2026, selling an estimated $1.23M and leaving 211,550 shares worth $1.94M. The position accounts for 0.01% of the portfolio, ranked #430.

Great Lakes Advisors first reported a position in PTEN in Q3 2016 and has held it in 14 quarters since. The position peaked at $11M in Q1 2022. 438 funds tracked by Wall St. Rank hold PTEN as of Q2 2026.

  • Great Lakes Advisors held 211,550 shares of Patterson-UTI worth $1.94M as of Q2 2026.
  • Great Lakes Advisors sold 110,400 Patterson-UTI shares in Q2 2026, an estimated $1.23M.
  • Patterson-UTI made up 0.01% of Great Lakes Advisors's portfolio in Q2 2026, its #430 holding.
  • Great Lakes Advisors first reported a position in Patterson-UTI in Q3 2016 and has held it in 14 quarters since.
  • Great Lakes Advisors's Patterson-UTI position peaked at $11M in Q1 2022.
  • 438 funds tracked by Wall St. Rank held Patterson-UTI as of Q2 2026.

Based on Great Lakes Advisors's 13F filing for Q2 2026, filed 10 Aug 2026.