Simplex Trading’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
$18.7K Hold
300
﹤0.01% 6833
2025
Q4
$7.6K Sell
300
-400
-57% -$10.6K ﹤0.01% 7164
2025
Q3
$19K Sell
700
-21,400
-97% -$526K ﹤0.01% 7384
2025
Q2
$498K Hold
22,100
﹤0.01% 3518
2025
Q1
$473K Buy
22,100
+21,200
+2,356% +$677K ﹤0.01% 3456
2024
Q4
$32K Hold
900
﹤0.01% 6298
2024
Q3
$35K Sell
900
-400
-31% -$16.4K ﹤0.01% 6219
2024
Q2
$63K Buy
1,300
+500
+63% +$22.4K ﹤0.01% 5849
2024
Q1
$36K Sell
800
-1,300
-62% -$52.8K ﹤0.01% 6591
2023
Q4
$71K Sell
2,100
-800
-28% -$22.2K ﹤0.01% 5740
2023
Q3
$86K Sell
2,900
-700
-19% -$23.6K ﹤0.01% 5251
2023
Q2
$138K Buy
3,600
+1,000
+38% +$32.2K ﹤0.01% 4714
2023
Q1
$86K Sell
2,600
-4,000
-61% -$132K ﹤0.01% 5322
2022
Q4
$218K Sell
6,600
-2,700
-29% -$86.1K ﹤0.01% 4125
2022
Q3
$239K Buy
9,300
+7,200
+343% +$220K ﹤0.01% 4390
2022
Q2
$62K Sell
2,100
-8,100
-79% -$263K ﹤0.01% 6211
2022
Q1
$432K Buy
10,200
+100
+1% +$4.79K ﹤0.01% 4020
2021
Q4
$579K Buy
10,100
+1,300
+15% +$67.6K ﹤0.01% 3603
2021
Q3
$463K Hold
8,800
﹤0.01% 4210
2021
Q2
$472K Buy
+8,800
New +$471K ﹤0.01% 4252
2021
Q1
Sell
-44
Closed -$137K 10083
2020
Q4
$137K Sell
44
-146
-77% -$4.07K ﹤0.01% 5100
2020
Q3
$407K Buy
190
+163
+604% +$3.96K ﹤0.01% 3246
2020
Q2
$61K Buy
27
+6
+29% +$114 ﹤0.01% 5313
2020
Q1
$28K Sell
21
-641
-97% -$13.6K ﹤0.01% 5683
2019
Q4
$1.55M Buy
662
+37
+6% +$748 ﹤0.01% 1706
2019
Q3
$914K Sell
625
-51
-8% -$708 ﹤0.01% 2020
2019
Q2
$940K Sell
676
-594
-47% -$7.57K ﹤0.01% 1956
2019
Q1
$1.31M Sell
1,270
-775
-38% -$8.32K ﹤0.01% 1752
2018
Q4
$1.73M Buy
2,045
+1,923
+1,576% +$18.8K 0.01% 1190
2018
Q3
$153K Sell
122
-109
-47% -$1.58K ﹤0.01% 3952
2018
Q2
$383K Buy
231
+177
+328% +$3.1K ﹤0.01% 2737
2018
Q1
$9K Buy
54
+9
+20% +$190 ﹤0.01% 4155
2017
Q4
$7K Sell
45
-183
-80% -$4.69K ﹤0.01% 4230
2017
Q3
$2K Buy
228
+49
+27% +$1.16K ﹤0.01% 5173
2017
Q2
$13K Buy
179
+55
+44% +$1.11K ﹤0.01% 3753
2017
Q1
$3K Buy
+124
New +$1.65K ﹤0.01% 5075

Other funds holding UCTT

Simplex Trading's UCTT Position: Q1 2026 in Review

Simplex Trading increased its Ultra Clean Holdings (UCTT) stake by 7,794% in Q1 2026, buying an estimated $264K and bringing the position to 5,210 shares worth $324K. The position accounts for ﹤0.01% of the portfolio, ranked #3741.

Simplex Trading first reported a position in UCTT in Q4 2016 and has held it in 26 quarters since. The position peaked at $782K in Q1 2017. 331 funds tracked by Wall St. Rank hold UCTT as of Q1 2026.

  • Simplex Trading held 5,210 shares of Ultra Clean Holdings worth $324K as of Q1 2026.
  • Simplex Trading bought 5,144 Ultra Clean Holdings shares in Q1 2026, an estimated $264K.
  • Ultra Clean Holdings made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #3741 holding.
  • Simplex Trading first reported a position in Ultra Clean Holdings in Q4 2016 and has held it in 26 quarters since.
  • Simplex Trading's Ultra Clean Holdings position peaked at $782K in Q1 2017.
  • 331 funds tracked by Wall St. Rank held Ultra Clean Holdings as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.