Citadel Advisors’s Patterson-UTI PTEN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$6.84M Sell
631,930
-1,692,777
-73% -$14.5M ﹤0.01% 3844
2025
Q4
$14.2M Buy
2,324,707
+1,646,870
+243% +$9.83M ﹤0.01% 2776
2025
Q3
$3.51M Sell
677,837
-679,927
-50% -$3.91M ﹤0.01% 5004
2025
Q2
$8.05M Sell
1,357,764
-1,332,716
-50% -$8.02M ﹤0.01% 3347
2025
Q1
$22.1M Buy
2,690,480
+2,350,468
+691% +$19.7M ﹤0.01% 1927
2024
Q4
$2.81M Sell
340,012
-3,795,430
-92% -$30.4M ﹤0.01% 4947
2024
Q3
$31.6M Sell
4,135,442
-5,004,468
-55% -$46.1M 0.01% 1628
2024
Q2
$94.7M Sell
9,139,910
-2,799,591
-23% -$30.7M 0.02% 715
2024
Q1
$143M Sell
11,939,501
-925,099
-7% -$10.3M 0.03% 511
2023
Q4
$139M Buy
12,864,600
+1,924,728
+18% +$23.4M 0.03% 503
2023
Q3
$151M Buy
10,939,872
+7,392,916
+208% +$108M 0.03% 418
2023
Q2
$42.5M Buy
3,546,956
+299,641
+9% +$3.38M 0.01% 1180
2023
Q1
$38M Buy
3,247,315
+2,540,576
+359% +$37.1M 0.01% 1319
2022
Q4
$11.9M Sell
706,739
-1,573,190
-69% -$26M ﹤0.01% 2578
2022
Q3
$26.6M Buy
2,279,929
+1,302,917
+133% +$18.6M 0.01% 1603
2022
Q2
$15.4M Buy
977,012
+557,794
+133% +$9.37M ﹤0.01% 2132
2022
Q1
$6.49M Sell
419,218
-1,525,221
-78% -$19.2M ﹤0.01% 3682
2021
Q4
$16.4M Buy
1,944,439
+1,129,640
+139% +$9.73M ﹤0.01% 2279
2021
Q3
$7.33M Buy
814,799
+278,033
+52% +$2.25M ﹤0.01% 3602
2021
Q2
$5.33M Buy
536,766
+140,706
+36% +$1.19M ﹤0.01% 4289
2021
Q1
$2.82M Sell
396,060
-726,771
-65% -$5.12M ﹤0.01% 5587
2020
Q4
$5.91M Buy
1,122,831
+519,624
+86% +$2.04M ﹤0.01% 3405
2020
Q3
$1.72M Buy
603,207
+1,383
+0.2% +$5.09K ﹤0.01% 5015
2020
Q2
$2.09M Buy
601,824
+335,262
+126% +$1.16M ﹤0.01% 4491
2020
Q1
$626K Buy
266,562
+149,990
+129% +$971K ﹤0.01% 6119
2019
Q4
$1.22M Sell
116,572
-617,204
-84% -$5.59M ﹤0.01% 5238
2019
Q3
$6.27M Buy
733,776
+59,535
+9% +$584K ﹤0.01% 2791
2019
Q2
$7.76M Sell
674,241
-193,970
-22% -$2.5M ﹤0.01% 2499
2019
Q1
$12.2M Sell
868,211
-1,047,756
-55% -$13.7M 0.01% 1838
2018
Q4
$19.8M Buy
1,915,967
+1,620,965
+549% +$23.9M 0.01% 1246
2018
Q3
$5.05M Sell
295,002
-2,498,371
-89% -$42.9M ﹤0.01% 2993
2018
Q2
$50.3M Buy
2,793,373
+950,336
+52% +$19.1M 0.02% 704
2018
Q1
$32.3M Sell
1,843,037
-314,486
-15% -$6.57M 0.02% 807
2017
Q4
$49.6M Sell
2,157,523
-3,224,148
-60% -$66.8M 0.03% 619
2017
Q3
$113M Sell
5,381,671
-1,504,621
-22% -$27.7M 0.09% 217
2017
Q2
$139M Buy
6,886,292
+2,817,721
+69% +$61.4M 0.12% 144
2017
Q1
$98.7M Buy
4,068,571
+3,040,924
+296% +$82M 0.09% 205
2016
Q4
$27.7M Sell
1,027,647
-2,109,016
-67% -$52.1M 0.03% 666
2016
Q3
$70.2M Buy
3,136,663
+2,979,472
+1,895% +$59.8M 0.07% 256
2016
Q2
$3.35M Sell
157,191
-189,799
-55% -$3.58M ﹤0.01% 2202
2016
Q1
$6.11M Sell
346,990
-2,814,971
-89% -$42M 0.01% 1578
2015
Q4
$47.7M Sell
3,161,961
-1,284,849
-29% -$19.8M 0.05% 410
2015
Q3
$58.4M Buy
4,446,810
+3,684,345
+483% +$58.4M 0.06% 373
2015
Q2
$14.3M Sell
762,465
-2,904,221
-79% -$60.2M 0.01% 1235
2015
Q1
$68.8M Buy
3,666,686
+2,289,870
+166% +$39.3M 0.07% 350
2014
Q4
$22.8M Sell
1,376,816
-710,006
-34% -$15M 0.02% 844
2014
Q3
$67.9M Buy
2,086,822
+1,699,232
+438% +$57.7M 0.07% 297
2014
Q2
$13.5M Buy
387,590
+120,171
+45% +$3.95M 0.02% 1054
2014
Q1
$8.47M Buy
267,419
+52,384
+24% +$1.46M 0.01% 1371
2013
Q4
$5.45M Sell
215,035
-2,830,055
-93% -$67.7M 0.01% 1623
2013
Q3
$65.1M Buy
3,045,090
+2,100,103
+222% +$43.1M 0.1% 213
2013
Q2
$18.3M Buy
+944,987
New +$20.6M 0.03% 703

Other funds holding PTEN

Citadel Advisors's PTEN Position: Q1 2026 in Review

Citadel Advisors reduced its Patterson-UTI (PTEN) stake by 73% in Q1 2026, selling an estimated $14.5M and leaving 631,930 shares worth $6.84M. The position accounts for ﹤0.01% of the portfolio, ranked #3844.

Citadel Advisors first reported a position in PTEN in Q2 2013 and has held it in 52 quarters since. The position peaked at $151M in Q3 2023. 410 funds tracked by Wall St. Rank hold PTEN as of Q1 2026.

  • Citadel Advisors held 631,930 shares of Patterson-UTI worth $6.84M as of Q1 2026.
  • Citadel Advisors sold 1,692,777 Patterson-UTI shares in Q1 2026, an estimated $14.5M.
  • Patterson-UTI made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #3844 holding.
  • Citadel Advisors first reported a position in Patterson-UTI in Q2 2013 and has held it in 52 quarters since.
  • Citadel Advisors's Patterson-UTI position peaked at $151M in Q3 2023.
  • 410 funds tracked by Wall St. Rank held Patterson-UTI as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.