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
$434K Sell
40,100
-61,800
-61% -$529K ﹤0.01% 9638
2025
Q4
$623K Sell
101,900
-149,900
-60% -$895K ﹤0.01% 8498
2025
Q3
$1.3M Buy
251,800
+40,600
+19% +$233K ﹤0.01% 6967
2025
Q2
$1.25M Buy
211,200
+14,600
+7% +$87.9K ﹤0.01% 6607
2025
Q1
$1.62M Buy
196,600
+93,900
+91% +$788K ﹤0.01% 5937
2024
Q4
$848K Sell
102,700
-1,584,500
-94% -$12.7M ﹤0.01% 7400
2024
Q3
$12.9M Sell
1,687,200
-166,450
-9% -$1.53M ﹤0.01% 2556
2024
Q2
$19.2M Sell
1,853,650
-2,048,100
-52% -$22.5M ﹤0.01% 2037
2024
Q1
$46.6M Buy
3,901,750
+3,166,700
+431% +$35.2M 0.01% 1267
2023
Q4
$7.94M Buy
735,050
+688,275
+1,471% +$8.37M ﹤0.01% 3145
2023
Q3
$647K Buy
46,775
+27,075
+137% +$396K ﹤0.01% 7499
2023
Q2
$236K Sell
19,700
-3,362,900
-99% -$38M ﹤0.01% 9529
2023
Q1
$39.6M Buy
3,382,600
+3,319,900
+5,295% +$48.5M 0.01% 1279
2022
Q4
$1.06M Sell
62,700
-468,900
-88% -$7.74M ﹤0.01% 6715
2022
Q3
$6.21M Buy
531,600
+321,100
+153% +$4.59M ﹤0.01% 3526
2022
Q2
$3.32M Sell
210,500
-461,800
-69% -$7.75M ﹤0.01% 4574
2022
Q1
$10.4M Buy
672,300
+650,400
+2,970% +$8.21M ﹤0.01% 2886
2021
Q4
$185K Buy
21,900
+2,800
+15% +$24.1K ﹤0.01% 11961
2021
Q3
$172K Buy
19,100
+3,100
+19% +$25.1K ﹤0.01% 12189
2021
Q2
$159K Sell
16,000
-600
-4% -$5.08K ﹤0.01% 12429
2021
Q1
$118K Buy
+16,600
New +$117K ﹤0.01% 12322
2020
Q4
Sell
-15,500
Closed -$44K 11402
2020
Q3
$44K Sell
15,500
-17,900
-54% -$65.8K ﹤0.01% 9647
2020
Q2
$116K Buy
+33,400
New +$115K ﹤0.01% 8911
2019
Q4
Sell
-28,400
Closed -$243K 9611
2019
Q3
$243K Sell
28,400
-3,000
-10% -$29.4K ﹤0.01% 7879
2019
Q2
$361K Buy
31,400
+16,900
+117% +$217K ﹤0.01% 7301
2019
Q1
$203K Sell
14,500
-25,500
-64% -$334K ﹤0.01% 8193
2018
Q4
$414K Sell
40,000
-16,800
-30% -$248K ﹤0.01% 6706
2018
Q3
$972K Buy
56,800
+8,900
+19% +$153K ﹤0.01% 5604
2018
Q2
$862K Sell
47,900
-6,000
-11% -$120K ﹤0.01% 5476
2018
Q1
$944K Buy
53,900
+32,100
+147% +$670K ﹤0.01% 4901
2017
Q4
$502K Sell
21,800
-161,100
-88% -$3.34M ﹤0.01% 5639
2017
Q3
$3.83M Sell
182,900
-6,400
-3% -$118K ﹤0.01% 2598
2017
Q2
$3.82M Buy
189,300
+167,500
+768% +$3.65M ﹤0.01% 2403
2017
Q1
$529K Sell
21,800
-3,700
-15% -$99.8K ﹤0.01% 4923
2016
Q4
$686K Sell
25,500
-2,800
-10% -$69.2K ﹤0.01% 4412
2016
Q3
$633K Sell
28,300
-14,700
-34% -$295K ﹤0.01% 4489
2016
Q2
$917K Buy
+43,000
New +$810K ﹤0.01% 3667
2016
Q1
Sell
-56,900
Closed -$858K 7720
2015
Q4
$858K Sell
56,900
-1,300
-2% -$20K ﹤0.01% 3769
2015
Q3
$765K Sell
58,200
-13,500
-19% -$214K ﹤0.01% 4183
2015
Q2
$1.35M Buy
71,700
+20,400
+40% +$423K ﹤0.01% 3572
2015
Q1
$963K Sell
51,300
-39,500
-44% -$677K ﹤0.01% 3973
2014
Q4
$1.51M Buy
90,800
+74,500
+457% +$1.57M ﹤0.01% 3253
2014
Q3
$530K Sell
16,300
-27,600
-63% -$937K ﹤0.01% 4536
2014
Q2
$1.53M Buy
43,900
+9,800
+29% +$322K ﹤0.01% 3000
2014
Q1
$1.08M Buy
34,100
+23,600
+225% +$656K ﹤0.01% 3325
2013
Q4
$266K Buy
10,500
+100
+1% +$2.39K ﹤0.01% 4721
2013
Q3
$222K Sell
10,400
-19,500
-65% -$400K ﹤0.01% 4665
2013
Q2
$579K Buy
+29,900
New +$653K ﹤0.01% 3693

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.