MAM
UCTT

Martingale Asset Management’s Ultra Clean Holdings UCTT Stock Holding History

Martingale Asset Management’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 		$1.67M Sell
11,729
-19,393
-62% -$1.71M 0.04% 429
2026
Q1 		$1.94M Sell
31,122
-15,433
-33% -$791K 0.05% 355
2025
Q4 		$1.18M Buy
+46,555
New +$1.24M 0.03% 442
2024
Q3 		– Sell
-9,477
Closed -$464K – 845
2024
Q2 		$464K Buy
9,477
+4,038
+74% +$181K 0.01% 612
2024
Q1 		$250K Sell
5,439
-8,214
-60% -$334K 0.01% 735
2023
Q4 		$466K Sell
13,653
-12,008
-47% -$334K 0.01% 628
2023
Q3 		$761K Buy
25,661
+5,269
+26% +$178K 0.02% 520
2023
Q2 		$784K Buy
+20,392
New +$656K 0.02% 512
2020
Q3 		– Sell
-23,231
Closed -$526K – 1091
2020
Q2 		$526K Sell
23,231
-46,015
-66% -$875K 0.01% 870
2020
Q1 		$956K Buy
69,246
+54,923
+383% +$1.17M 0.01% 687
2019
Q4 		$337K Buy
+14,323
New +$290K ﹤0.01% 911
2014
Q4 		– Sell
-15,125
Closed -$136K – 886
2014
Q3 		$136K Sell
15,125
-86,927
-85% -$810K ﹤0.01% 834
2014
Q2 		$924K Sell
102,052
-900
-0.9% -$8.6K 0.03% 540
2014
Q1 		$1.35M Sell
102,952
-500
-0.5% -$6.24K 0.05% 386
2013
Q4 		$1.04M Buy
103,452
+45,118
+77% +$406K 0.04% 527
2013
Q3 		$404K Buy
58,334
+11,301
+24% +$75.4K 0.01% 809
2013
Q2 		$285K Buy
+47,033
New +$282K 0.01% 869

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

Martingale Asset Management's UCTT Position: Q2 2026 in Review

Martingale Asset Management reduced its Ultra Clean Holdings (UCTT) stake by 62% in Q2 2026, selling an estimated $1.71M and leaving 11,729 shares worth $1.67M. The position accounts for 0.04% of the portfolio, ranked #429.

Martingale Asset Management first reported a position in UCTT in Q2 2013 and has held it in 17 quarters since. The position peaked at $1.94M in Q1 2026. 438 funds tracked by Wall St. Rank hold UCTT as of Q2 2026.

  • Martingale Asset Management held 11,729 shares of Ultra Clean Holdings worth $1.67M as of Q2 2026.
  • Martingale Asset Management sold 19,393 Ultra Clean Holdings shares in Q2 2026, an estimated $1.71M.
  • Ultra Clean Holdings made up 0.04% of Martingale Asset Management's portfolio in Q2 2026, its #429 holding.
  • Martingale Asset Management first reported a position in Ultra Clean Holdings in Q2 2013 and has held it in 17 quarters since.
  • Martingale Asset Management's Ultra Clean Holdings position peaked at $1.94M in Q1 2026.
  • 438 funds tracked by Wall St. Rank held Ultra Clean Holdings as of Q2 2026.

Based on Martingale Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.