Acadian Asset Management
UCTT

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

Acadian 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 		$911K Sell
6,399
-34,793
-84% -$3.06M ﹤0.01% 1292
2026
Q1 		$2.55M Buy
+41,192
New +$2.11M ﹤0.01% 890
2024
Q4 		– Sell
-4,362
Closed -$174K – 2177
2024
Q3 		$174K Buy
+4,362
New +$179K ﹤0.01% 1410
2021
Q2 		– Sell
-1,031
Closed -$60K – 2219
2021
Q1 		$60K Buy
+1,031
New +$47.5K ﹤0.01% 1785
2020
Q3 		– Sell
-23,793
Closed -$538K – 2362
2020
Q2 		$538K Sell
23,793
-65,385
-73% -$1.24M ﹤0.01% 1168
2020
Q1 		$1.23M Buy
89,178
+58,806
+194% +$1.25M 0.01% 726
2019
Q4 		$713K Buy
+30,372
New +$614K ﹤0.01% 975
2017
Q3 		– Sell
-83,483
Closed -$1.56M – 1540
2017
Q2 		$1.56M Sell
83,483
-133,186
-61% -$2.68M 0.01% 622
2017
Q1 		$3.66M Buy
+216,669
New +$2.88M 0.02% 479
2016
Q3 		– Sell
-3,093
Closed -$18K – 1553
2016
Q2 		$18K Buy
+3,093
New +$17.1K ﹤0.01% 1140
2015
Q3 		– Sell
-134,435
Closed -$838K – 1433
2015
Q2 		$838K Sell
134,435
-76,249
-36% -$493K ﹤0.01% 711
2015
Q1 		$1.51M Buy
210,684
+127,738
+154% +$1.12M 0.01% 593
2014
Q4 		$770K Buy
82,946
+70,156
+549% +$594K ﹤0.01% 682
2014
Q3 		$114K Sell
12,790
-22,853
-64% -$213K ﹤0.01% 817
2014
Q2 		$322K Sell
35,643
-34,626
-49% -$331K ﹤0.01% 744
2014
Q1 		$925K Buy
70,269
+24,500
+54% +$306K ﹤0.01% 582
2013
Q4 		$459K Buy
45,769
+34,311
+299% +$309K ﹤0.01% 702
2013
Q3 		$79K Buy
+11,458
New +$76.4K ﹤0.01% 837

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

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

Acadian Asset Management reduced its Ultra Clean Holdings (UCTT) stake by 84% in Q2 2026, selling an estimated $3.06M and leaving 6,399 shares worth $911K. The position accounts for ﹤0.01% of the portfolio, ranked #1292.

Acadian Asset Management first reported a position in UCTT in Q3 2013 and has held it in 18 quarters since. The position peaked at $3.66M in Q1 2017. 438 funds tracked by Wall St. Rank hold UCTT as of Q2 2026.

  • Acadian Asset Management held 6,399 shares of Ultra Clean Holdings worth $911K as of Q2 2026.
  • Acadian Asset Management sold 34,793 Ultra Clean Holdings shares in Q2 2026, an estimated $3.06M.
  • Ultra Clean Holdings made up ﹤0.01% of Acadian Asset Management's portfolio in Q2 2026, its #1292 holding.
  • Acadian Asset Management first reported a position in Ultra Clean Holdings in Q3 2013 and has held it in 18 quarters since.
  • Acadian Asset Management's Ultra Clean Holdings position peaked at $3.66M in Q1 2017.
  • 438 funds tracked by Wall St. Rank held Ultra Clean Holdings as of Q2 2026.

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