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
$3.25M Sell
300,400
-57,400
-16% -$491K ﹤0.01% 5103
2025
Q4
$2.19M Buy
357,800
+223,200
+166% +$1.33M ﹤0.01% 5739
2025
Q3
$697K Buy
134,600
+26,900
+25% +$155K ﹤0.01% 8346
2025
Q2
$639K Buy
107,700
+11,700
+12% +$70.4K ﹤0.01% 8050
2025
Q1
$789K Sell
96,000
-252,000
-72% -$2.11M ﹤0.01% 7479
2024
Q4
$2.87M Buy
348,000
+18,800
+6% +$151K ﹤0.01% 4910
2024
Q3
$2.52M Sell
329,200
-97,900
-23% -$902K ﹤0.01% 5089
2024
Q2
$4.42M Buy
427,100
+221,000
+107% +$2.42M ﹤0.01% 3945
2024
Q1
$2.46M Sell
206,100
-55,025
-21% -$611K ﹤0.01% 5120
2023
Q4
$2.82M Buy
261,125
+29,075
+13% +$354K ﹤0.01% 4755
2023
Q3
$3.21M Buy
232,050
+116,550
+101% +$1.7M ﹤0.01% 4362
2023
Q2
$1.38M Buy
115,500
+11,600
+11% +$131K ﹤0.01% 5820
2023
Q1
$1.22M Sell
103,900
-135,300
-57% -$1.98M ﹤0.01% 6360
2022
Q4
$4.03M Buy
239,200
+200,600
+520% +$3.31M ﹤0.01% 4235
2022
Q3
$451K Sell
38,600
-122,300
-76% -$1.75M ﹤0.01% 8694
2022
Q2
$2.54M Buy
160,900
+99,400
+162% +$1.67M ﹤0.01% 5072
2022
Q1
$952K Buy
61,500
+51,000
+486% +$644K ﹤0.01% 7821
2021
Q4
$89K Sell
10,500
-14,000
-57% -$121K ﹤0.01% 12831
2021
Q3
$221K Sell
24,500
-9,900
-29% -$80.2K ﹤0.01% 11774
2021
Q2
$342K Buy
34,400
+9,000
+35% +$76.1K ﹤0.01% 10952
2021
Q1
$181K Buy
25,400
+2,100
+9% +$14.8K ﹤0.01% 11821
2020
Q4
$123K Buy
23,300
+100
+0.4% +$393 ﹤0.01% 10083
2020
Q3
$66K Buy
23,200
+8,600
+59% +$31.6K ﹤0.01% 9492
2020
Q2
$51K Buy
+14,600
New +$50.3K ﹤0.01% 9294
2020
Q1
Sell
-19,100
Closed -$201K 10035
2019
Q4
$201K Sell
19,100
-12,000
-39% -$109K ﹤0.01% 8183
2019
Q3
$266K Sell
31,100
-20,500
-40% -$201K ﹤0.01% 7742
2019
Q2
$594K Buy
51,600
+8,300
+19% +$107K ﹤0.01% 6560
2019
Q1
$607K Sell
43,300
-6,000
-12% -$78.7K ﹤0.01% 6461
2018
Q4
$510K Sell
49,300
-19,900
-29% -$293K ﹤0.01% 6361
2018
Q3
$1.18M Buy
69,200
+25,200
+57% +$433K ﹤0.01% 5253
2018
Q2
$792K Buy
44,000
+9,200
+26% +$184K ﹤0.01% 5611
2018
Q1
$609K Sell
34,800
-69,400
-67% -$1.45M ﹤0.01% 5561
2017
Q4
$2.4M Sell
104,200
-7,300
-7% -$151K ﹤0.01% 3380
2017
Q3
$2.33M Buy
111,500
+37,200
+50% +$685K ﹤0.01% 3227
2017
Q2
$1.5M Buy
74,300
+1,300
+2% +$28.3K ﹤0.01% 3534
2017
Q1
$1.77M Sell
73,000
-2,100
-3% -$56.6K ﹤0.01% 3201
2016
Q4
$2.02M Buy
75,100
+11,400
+18% +$282K ﹤0.01% 2934
2016
Q3
$1.43M Sell
63,700
-10,500
-14% -$211K ﹤0.01% 3392
2016
Q2
$1.58M Sell
74,200
-46,100
-38% -$868K ﹤0.01% 2984
2016
Q1
$2.12M Buy
120,300
+61,400
+104% +$916K ﹤0.01% 2583
2015
Q4
$888K Sell
58,900
-37,500
-39% -$577K ﹤0.01% 3724
2015
Q3
$1.27M Buy
96,400
+20,000
+26% +$317K ﹤0.01% 3506
2015
Q2
$1.44M Sell
76,400
-44,400
-37% -$921K ﹤0.01% 3475
2015
Q1
$2.27M Buy
120,800
+35,600
+42% +$610K ﹤0.01% 2909
2014
Q4
$1.41M Buy
85,200
+34,700
+69% +$732K ﹤0.01% 3327
2014
Q3
$1.64M Buy
50,500
+34,900
+224% +$1.19M ﹤0.01% 3088
2014
Q2
$545K Sell
15,600
-9,800
-39% -$322K ﹤0.01% 4280
2014
Q1
$805K Buy
25,400
+12,300
+94% +$342K ﹤0.01% 3704
2013
Q4
$332K Sell
13,100
-500
-4% -$12K ﹤0.01% 4496
2013
Q3
$291K Sell
13,600
-14,000
-51% -$287K ﹤0.01% 4383
2013
Q2
$534K Buy
+27,600
New +$602K ﹤0.01% 3775

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.