TRCT
UCTT

Tower Research Capital (TRC)’s Ultra Clean Holdings UCTT Stock Holding History

Tower Research Capital (TRC)’s Portfolio UCTT Stock Details UCTT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$527K Sell
3,693
-632
-15% -$55.6K 0.01% 989
2026
Q1 		$269K Buy
4,325
+690
+19% +$35.4K 0.01% 1385
2025
Q4 		$92.1K Buy
3,635
+1,609
+79% +$42.8K ﹤0.01% 1999
2025
Q3 		$55.2K Sell
2,026
-3,926
-66% -$96.5K ﹤0.01% 2453
2025
Q2 		$134K Buy
5,952
+4,502
+310% +$92.4K ﹤0.01% 2138
2025
Q1 		$30.4K Sell
1,450
-3,210
-69% -$103K ﹤0.01% 2602
2024
Q4 		$168K Sell
4,660
-2,505
-35% -$92.6K ﹤0.01% 1836
2024
Q3 		$286K Sell
7,165
-1,541
-18% -$63.2K 0.01% 1297
2024
Q2 		$427K Buy
8,706
+8,061
+1,250% +$362K 0.01% 1467
2024
Q1 		$29.6K Sell
645
-13,455
-95% -$547K ﹤0.01% 2664
2023
Q4 		$481K Buy
14,100
+12,726
+926% +$354K 0.01% 1390
2023
Q3 		$40.8K Buy
1,374
+236
+21% +$7.95K ﹤0.01% 2720
2023
Q2 		$43.8K Sell
1,138
-195
-15% -$6.28K ﹤0.01% 2684
2023
Q1 		$44K Buy
1,333
+1,187
+813% +$39.3K ﹤0.01% 2623
2022
Q4 		$5K Sell
146
-5,987
-98% -$191K ﹤0.01% 4918
2022
Q3 		$158K Sell
6,133
-22,469
-79% -$688K ﹤0.01% 2156
2022
Q2 		$852K Buy
28,602
+28,104
+5,643% +$912K 0.02% 805
2022
Q1 		$21K Sell
498
-113
-18% -$5.41K ﹤0.01% 3501
2021
Q4 		$35K Sell
611
-2,293
-79% -$119K ﹤0.01% 3092
2021
Q3 		$123K Sell
2,904
-4,260
-59% -$201K ﹤0.01% 2220
2021
Q2 		$384K Sell
7,164
-3,205
-31% -$172K 0.01% 1399
2021
Q1 		$602K Buy
10,369
+8,378
+421% +$386K 0.01% 1081
2020
Q4 		$62K Sell
1,991
-41,403
-95% -$1.16M ﹤0.01% 2883
2020
Q3 		$931K Buy
43,394
+36,901
+568% +$896K 0.01% 1073
2020
Q2 		$146K Buy
+6,493
New +$123K 0.01% 2104
2019
Q4 		– Sell
-2,620
Closed -$39K – 4384
2019
Q3 		$39K Buy
2,620
+2,509
+2,260% +$34.8K ﹤0.01% 1979
2019
Q2 		$2K Sell
111
-11,602
-99% -$148K ﹤0.01% 3321
2019
Q1 		$122K Buy
+11,713
New +$126K 0.01% 1348
2018
Q4 		– Sell
-1,818
Closed -$23K – 4369
2018
Q3 		$23K Buy
1,818
+1,800
+10,000% +$26.2K ﹤0.01% 2261
2018
Q2 		$0 Buy
+18
New +$316 ﹤0.01% 4070
2018
Q1 		– Sell
-1,580
Closed -$36K – 3847
2017
Q4 		$36K Buy
+1,580
New +$40.5K ﹤0.01% 1588
2017
Q3 		– Sell
-4,570
Closed -$108K – 4152
2017
Q2 		$86K Buy
+4,570
New +$92K 0.01% 551
2017
Q1 		– Sell
-1,978
Closed -$19K – 3931
2016
Q4 		$19K Buy
+1,978
New +$18K ﹤0.01% 2207
2016
Q3 		– Sell
-443
Closed -$3K – 4459
2016
Q2 		$3K Sell
443
-3,986
-90% -$22K ﹤0.01% 3748
2016
Q1 		$24K Buy
+4,429
New +$22.5K ﹤0.01% 1227
2015
Q4 		– Sell
-823
Closed -$5K – 5063
2015
Q3 		$5K Sell
823
-5,878
-88% -$38.8K ﹤0.01% 2825
2015
Q2 		$41K Buy
6,701
+3,540
+112% +$22.9K ﹤0.01% 1532
2015
Q1 		$23K Buy
+3,161
New +$27.8K ﹤0.01% 2147
2014
Q3 		– Sell
-100
Closed -$1K – 4907
2014
Q2 		$1K Sell
100
-2,334
-96% -$22.3K ﹤0.01% 3762
2014
Q1 		$32K Buy
2,434
+754
+45% +$9.41K ﹤0.01% 1445
2013
Q4 		$17K Sell
1,680
-840
-33% -$7.56K ﹤0.01% 2513
2013
Q3 		$17K Buy
+2,520
New +$16.8K ﹤0.01% 2827

Other funds holding UCTT

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $17.3B AUM 211.34% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Tower Research Capital (TRC)'s UCTT Position: Q2 2026 in Review

Tower Research Capital (TRC) reduced its Ultra Clean Holdings (UCTT) stake by 15% in Q2 2026, selling an estimated $55.6K and leaving 3,693 shares worth $527K. The position accounts for 0.01% of the portfolio, ranked #989.

Tower Research Capital (TRC) first reported a position in UCTT in Q3 2013 and has held it in 42 quarters since. The position peaked at $931K in Q3 2020. 438 funds tracked by Wall St. Rank hold UCTT as of Q2 2026.

  • Tower Research Capital (TRC) held 3,693 shares of Ultra Clean Holdings worth $527K as of Q2 2026.
  • Tower Research Capital (TRC) sold 632 Ultra Clean Holdings shares in Q2 2026, an estimated $55.6K.
  • Ultra Clean Holdings made up 0.01% of Tower Research Capital (TRC)'s portfolio in Q2 2026, its #989 holding.
  • Tower Research Capital (TRC) first reported a position in Ultra Clean Holdings in Q3 2013 and has held it in 42 quarters since.
  • Tower Research Capital (TRC)'s Ultra Clean Holdings position peaked at $931K in Q3 2020.
  • 438 funds tracked by Wall St. Rank held Ultra Clean Holdings as of Q2 2026.

Based on Tower Research Capital (TRC)'s 13F filing for Q2 2026, filed 11 Aug 2026.