WG
UCTT icon

Winton Group’s Ultra Clean Holdings UCTT Stock Holding History

Winton Group’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 		$13.9M Sell
97,320
-6,920
-7% -$609K 0.45% 49
2026
Q1 		$6.48M Buy
104,240
+16,730
+19% +$857K 0.23% 112
2025
Q4 		$2.22M Buy
87,510
+59,388
+211% +$1.58M 0.08% 289
2025
Q3 		$766K Buy
+28,122
New +$691K 0.03% 508
2018
Q2 		– Sell
-16,471
Closed -$317K – 1164
2018
Q1 		$317K Buy
+16,471
New +$347K 0.01% 955

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 $3.38T AUM 44.17% 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

Winton Group's UCTT Position: Q2 2026 in Review

Winton Group reduced its Ultra Clean Holdings (UCTT) stake by 6.6% in Q2 2026, selling an estimated $609K and leaving 97,320 shares worth $13.9M. The position accounts for 0.45% of the portfolio, ranked #49.

Winton Group first reported a position in UCTT in Q1 2018 and has held it in 5 quarters since. 438 funds tracked by Wall St. Rank hold UCTT as of Q2 2026.

  • Winton Group held 97,320 shares of Ultra Clean Holdings worth $13.9M as of Q2 2026.
  • Winton Group sold 6,920 Ultra Clean Holdings shares in Q2 2026, an estimated $609K.
  • Ultra Clean Holdings made up 0.45% of Winton Group's portfolio in Q2 2026, its #49 holding.
  • Winton Group first reported a position in Ultra Clean Holdings in Q1 2018 and has held it in 5 quarters since.
  • 438 funds tracked by Wall St. Rank held Ultra Clean Holdings as of Q2 2026.

Based on Winton Group's 13F filing for Q2 2026, filed 7 Aug 2026.