Marshall Wace
UCTT

Marshall Wace’s Ultra Clean Holdings UCTT Stock Holding History

Marshall Wace’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 		$20.6M Sell
144,176
-115,676
-45% -$10.2M 0.02% 715
2026
Q1 		$16.2M Buy
259,852
+146,376
+129% +$7.5M 0.02% 775
2025
Q4 		$2.87M Buy
113,476
+95,091
+517% +$2.53M ﹤0.01% 1409
2025
Q3 		$501K Sell
18,385
-1,343
-7% -$33K ﹤0.01% 2233
2025
Q2 		$445K Buy
19,728
+5,365
+37% +$110K ﹤0.01% 2185
2025
Q1 		$308K Sell
14,363
-10,055
-41% -$321K ﹤0.01% 2259
2024
Q4 		$878K Sell
24,418
-17,797
-42% -$658K ﹤0.01% 1787
2024
Q3 		$1.69M Buy
+42,215
New +$1.73M ﹤0.01% 1435
2022
Q2 		– Sell
-40,711
Closed -$1.73M – 3869
2022
Q1 		$1.73M Buy
40,711
+36,828
+948% +$1.76M ﹤0.01% 2145
2021
Q4 		$222K Buy
+3,883
New +$202K ﹤0.01% 3124
2020
Q3 		– Sell
-15,826
Closed -$358K – 1935
2020
Q2 		$358K Buy
+15,826
New +$301K ﹤0.01% 1287

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

Marshall Wace's UCTT Position: Q2 2026 in Review

Marshall Wace reduced its Ultra Clean Holdings (UCTT) stake by 45% in Q2 2026, selling an estimated $10.2M and leaving 144,176 shares worth $20.6M. The position accounts for 0.02% of the portfolio, ranked #715.

Marshall Wace first reported a position in UCTT in Q2 2020 and has held it in 11 quarters since. 439 funds tracked by Wall St. Rank hold UCTT as of Q2 2026.

  • Marshall Wace held 144,176 shares of Ultra Clean Holdings worth $20.6M as of Q2 2026.
  • Marshall Wace sold 115,676 Ultra Clean Holdings shares in Q2 2026, an estimated $10.2M.
  • Ultra Clean Holdings made up 0.02% of Marshall Wace's portfolio in Q2 2026, its #715 holding.
  • Marshall Wace first reported a position in Ultra Clean Holdings in Q2 2020 and has held it in 11 quarters since.
  • 439 funds tracked by Wall St. Rank held Ultra Clean Holdings as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.