Alyeska Investment Group
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Alyeska Investment Group’s Patterson-UTI PTEN Stock Holding History

Alyeska Investment Group’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
-1,060,226
Closed -$11.5M – 769
2026
Q1 		$11.5M Buy
+1,060,226
New +$9.08M 0.03% 384
2025
Q3 		– Sell
-960,881
Closed -$5.7M – 695
2025
Q2 		$5.7M Sell
960,881
-187,621
-16% -$1.13M 0.02% 408
2025
Q1 		$9.44M Sell
1,148,502
-482,632
-30% -$4.05M 0.04% 316
2024
Q4 		$13.5M Buy
+1,631,134
New +$13.1M 0.05% 305
2024
Q2 		– Sell
-508,659
Closed -$6.07M – 656
2024
Q1 		$6.07M Sell
508,659
-880,852
-63% -$9.78M 0.04% 310
2023
Q4 		$15M Buy
1,389,511
+178,092
+15% +$2.17M 0.1% 232
2023
Q3 		$16.8M Buy
1,211,419
+780,133
+181% +$11.4M 0.11% 223
2023
Q2 		$5.16M Buy
+431,286
New +$4.87M 0.04% 332
2022
Q2 		– Sell
-64,579
Closed -$1M – 647
2022
Q1 		$1M Buy
+64,579
New +$815K 0.01% 494
2018
Q3 		– Sell
-665,740
Closed -$12M – 494
2018
Q2 		$12M Sell
665,740
-1,219,086
-65% -$24.4M 0.11% 189
2018
Q1 		$33M Sell
1,884,826
-1,413,334
-43% -$29.5M 0.27% 123
2017
Q4 		$75.9M Buy
3,298,160
+66,818
+2% +$1.38M 0.6% 56
2017
Q3 		$67.7M Buy
+3,231,342
New +$59.5M 0.51% 64
2016
Q3 		– Sell
-80,612
Closed -$1.72M – 519
2016
Q2 		$1.72M Buy
+80,612
New +$1.52M 0.02% 370
2015
Q4 		– Sell
-2,805,764
Closed -$36.9M – 451
2015
Q3 		$36.9M Sell
2,805,764
-334,664
-11% -$5.3M 0.43% 84
2015
Q2 		$59.1M Buy
3,140,428
+1,384,911
+79% +$28.7M 0.67% 23
2015
Q1 		$33M Buy
1,755,517
+1,023,351
+140% +$17.5M 0.46% 71
2014
Q4 		$12.1M Buy
+732,166
New +$15.4M 0.21% 185

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

Alyeska Investment Group's PTEN Position: Q2 2026 in Review

Alyeska Investment Group sold out of Patterson-UTI (PTEN) in Q2 2026, closing a stake of 1,060,226 shares — an estimated $11.5M sold.

Alyeska Investment Group first reported a position in PTEN in Q4 2014 and held it in 18 quarters. The position peaked at $75.9M in Q4 2017. 438 funds tracked by Wall St. Rank hold PTEN as of Q2 2026.

  • Alyeska Investment Group reported no remaining Patterson-UTI position as of Q2 2026 after selling out during the quarter.
  • Alyeska Investment Group sold 1,060,226 Patterson-UTI shares in Q2 2026, an estimated $11.5M.
  • Alyeska Investment Group first reported a position in Patterson-UTI in Q4 2014 and held it in 18 quarters.
  • Alyeska Investment Group's Patterson-UTI position peaked at $75.9M in Q4 2017.
  • 438 funds tracked by Wall St. Rank held Patterson-UTI as of Q2 2026.

Based on Alyeska Investment Group's 13F filing for Q2 2026, filed 14 Aug 2026.