Citadel Advisors’s Ultra Clean Holdings UCTT Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$4.25M Buy
68,400
+57,700
+539% +$2.96M ﹤0.01% 4607
2025
Q4
$271K Sell
10,700
-31,300
-75% -$833K ﹤0.01% 10372
2025
Q3
$1.14M Sell
42,000
-12,100
-22% -$297K ﹤0.01% 7238
2025
Q2
$1.22M Buy
54,100
+40,600
+301% +$833K ﹤0.01% 6662
2025
Q1
$289K Sell
13,500
-1,600
-11% -$51.1K ﹤0.01% 9686
2024
Q4
$543K Buy
15,100
+9,000
+148% +$333K ﹤0.01% 8368
2024
Q3
$244K Sell
6,100
-8,700
-59% -$357K ﹤0.01% 9740
2024
Q2
$725K Sell
14,800
-6,700
-31% -$301K ﹤0.01% 7290
2024
Q1
$988K Sell
21,500
-3,600
-14% -$146K ﹤0.01% 6936
2023
Q4
$857K Buy
25,100
+4,700
+23% +$131K ﹤0.01% 6978
2023
Q3
$605K Buy
20,400
+600
+3% +$20.2K ﹤0.01% 7644
2023
Q2
$762K Sell
19,800
-3,600
-15% -$116K ﹤0.01% 7026
2023
Q1
$776K Sell
23,400
-2,700
-10% -$89.3K ﹤0.01% 7349
2022
Q4
$865K Sell
26,100
-16,000
-38% -$510K ﹤0.01% 7083
2022
Q3
$1.08M Sell
42,100
-14,000
-25% -$428K ﹤0.01% 6829
2022
Q2
$1.67M Sell
56,100
-15,400
-22% -$500K ﹤0.01% 5918
2022
Q1
$3.03M Sell
71,500
-8,200
-10% -$392K ﹤0.01% 5148
2021
Q4
$4.57M Buy
79,700
+55,700
+232% +$2.9M ﹤0.01% 4477
2021
Q3
$1.02M Sell
24,000
-26,300
-52% -$1.24M ﹤0.01% 8097
2021
Q2
$2.7M Sell
50,300
-6,400
-11% -$343K ﹤0.01% 5865
2021
Q1
$3.29M Sell
56,700
-200
-0.4% -$9.21K ﹤0.01% 5219
2020
Q4
$1.77M Sell
56,900
-4,600
-7% -$128K ﹤0.01% 5605
2020
Q3
$1.32M Buy
61,500
+42,600
+225% +$1.03M ﹤0.01% 5522
2020
Q2
$428K Sell
18,900
-2,200
-10% -$41.8K ﹤0.01% 7341
2020
Q1
$291K Sell
21,100
-46,900
-69% -$996K ﹤0.01% 7393
2019
Q4
$1.6M Sell
68,000
-31,500
-32% -$637K ﹤0.01% 4774
2019
Q3
$1.46M Buy
99,500
+39,300
+65% +$545K ﹤0.01% 4971
2019
Q2
$838K Sell
60,200
-9,400
-14% -$120K ﹤0.01% 5985
2019
Q1
$720K Buy
69,600
+26,700
+62% +$287K ﹤0.01% 6170
2018
Q4
$363K Sell
42,900
-34,700
-45% -$339K ﹤0.01% 6932
2018
Q3
$974K Buy
77,600
+36,300
+88% +$528K ﹤0.01% 5596
2018
Q2
$686K Buy
41,300
+600
+1% +$10.5K ﹤0.01% 5862
2018
Q1
$783K Buy
40,700
+15,900
+64% +$335K ﹤0.01% 5174
2017
Q4
$573K Buy
24,800
+5,300
+27% +$136K ﹤0.01% 5440
2017
Q3
$597K Buy
19,500
+7,000
+56% +$165K ﹤0.01% 5055
2017
Q2
$234K Buy
12,500
+1,500
+14% +$30.2K ﹤0.01% 6320
2017
Q1
$186K Buy
+11,000
New +$146K ﹤0.01% 6574

Other funds holding UCTT

Citadel Advisors's UCTT Position: Q1 2026 in Review

Citadel Advisors increased its Ultra Clean Holdings (UCTT) stake by 345% in Q1 2026, buying an estimated $5.53M and bringing the position to 139,223 shares worth $8.66M. The position accounts for ﹤0.01% of the portfolio, ranked #3455.

Citadel Advisors first reported a position in UCTT in Q4 2013 and has held it in 43 quarters since. The position peaked at $9.62M in Q3 2021. 331 funds tracked by Wall St. Rank hold UCTT as of Q1 2026.

  • Citadel Advisors held 139,223 shares of Ultra Clean Holdings worth $8.66M as of Q1 2026.
  • Citadel Advisors bought 107,904 Ultra Clean Holdings shares in Q1 2026, an estimated $5.53M.
  • Ultra Clean Holdings made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #3455 holding.
  • Citadel Advisors first reported a position in Ultra Clean Holdings in Q4 2013 and has held it in 43 quarters since.
  • Citadel Advisors's Ultra Clean Holdings position peaked at $9.62M in Q3 2021.
  • 331 funds tracked by Wall St. Rank held Ultra Clean Holdings as of Q1 2026.

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