QT
UCTT

Quantbot Technologies’s Ultra Clean Holdings UCTT Stock Holding History

Quantbot Technologies’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 		$1.17M Sell
8,237
-406
-5% -$35.7K 0.05% 565
2026
Q1 		$537K Sell
8,643
-15,015
-63% -$770K 0.02% 831
2025
Q4 		$599K Buy
23,658
+16,537
+232% +$440K 0.02% 863
2025
Q3 		$194K Sell
7,121
-32,542
-82% -$800K 0.01% 1303
2025
Q2 		$895K Buy
39,663
+33,013
+496% +$678K 0.02% 814
2025
Q1 		$142K Buy
+6,650
New +$212K ﹤0.01% 1188
2024
Q4 		– Sell
-39,788
Closed -$1.59M – 1846
2024
Q3 		$1.59M Buy
39,788
+37,676
+1,784% +$1.55M 0.06% 471
2024
Q2 		$103K Buy
+2,112
New +$94.8K 0.01% 1124
2024
Q1 		– Sell
-4,307
Closed -$147K – 1965
2023
Q4 		$147K Sell
4,307
-5,813
-57% -$162K 0.01% 1090
2023
Q3 		$300K Buy
+10,120
New +$341K 0.02% 787
2023
Q2 		– Sell
-1,957
Closed -$64.9K – 1969
2023
Q1 		$64.9K Buy
+1,957
New +$64.7K ﹤0.01% 1202
2022
Q4 		– Sell
-5,910
Closed -$152K – 2130
2022
Q3 		$152K Buy
+5,910
New +$181K 0.01% 973
2020
Q1 		– Sell
-14,667
Closed -$344K – 1404
2019
Q4 		$344K Buy
+14,667
New +$297K 0.03% 506
2019
Q2 		– Sell
-720
Closed -$7K – 1448
2019
Q1 		$7K Buy
+720
New +$7.73K ﹤0.01% 947
2018
Q1 		– Sell
-18,847
Closed -$435K – 1526
2017
Q4 		$435K Buy
+18,847
New +$483K 0.04% 534
2017
Q3 		– Sell
-20,944
Closed -$392K – 1440
2017
Q2 		$392K Buy
20,944
+19,365
+1,226% +$390K 0.04% 505
2017
Q1 		$26K Buy
+1,579
New +$21K ﹤0.01% 982

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

Quantbot Technologies's UCTT Position: Q2 2026 in Review

Quantbot Technologies reduced its Ultra Clean Holdings (UCTT) stake by 4.7% in Q2 2026, selling an estimated $35.7K and leaving 8,237 shares worth $1.17M. The position accounts for 0.05% of the portfolio, ranked #565.

Quantbot Technologies first reported a position in UCTT in Q1 2017 and has held it in 17 quarters since. The position peaked at $1.59M in Q3 2024. 438 funds tracked by Wall St. Rank hold UCTT as of Q2 2026.

  • Quantbot Technologies held 8,237 shares of Ultra Clean Holdings worth $1.17M as of Q2 2026.
  • Quantbot Technologies sold 406 Ultra Clean Holdings shares in Q2 2026, an estimated $35.7K.
  • Ultra Clean Holdings made up 0.05% of Quantbot Technologies's portfolio in Q2 2026, its #565 holding.
  • Quantbot Technologies first reported a position in Ultra Clean Holdings in Q1 2017 and has held it in 17 quarters since.
  • Quantbot Technologies's Ultra Clean Holdings position peaked at $1.59M in Q3 2024.
  • 438 funds tracked by Wall St. Rank held Ultra Clean Holdings as of Q2 2026.

Based on Quantbot Technologies's 13F filing for Q2 2026, filed 12 Aug 2026.