AI
UCTT

Atom Investors’s Ultra Clean Holdings UCTT Stock Holding History

Atom Investors’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 		– Sell
-66,453
Closed -$4.13M – 1019
2026
Q1 		$4.13M Buy
+66,453
New +$3.41M 0.3% 101
2024
Q1 		– Sell
-10,467
Closed -$357K – 674
2023
Q4 		$357K Buy
+10,467
New +$291K 0.06% 331

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

Atom Investors's UCTT Position: Q2 2026 in Review

Atom Investors sold out of Ultra Clean Holdings (UCTT) in Q2 2026, closing a stake of 66,453 shares — an estimated $4.13M sold.

Atom Investors first reported a position in UCTT in Q4 2023 and held it in 2 quarters. The position peaked at $4.13M in Q1 2026. 438 funds tracked by Wall St. Rank hold UCTT as of Q2 2026.

  • Atom Investors reported no remaining Ultra Clean Holdings position as of Q2 2026 after selling out during the quarter.
  • Atom Investors sold 66,453 Ultra Clean Holdings shares in Q2 2026, an estimated $4.13M.
  • Atom Investors first reported a position in Ultra Clean Holdings in Q4 2023 and held it in 2 quarters.
  • Atom Investors's Ultra Clean Holdings position peaked at $4.13M in Q1 2026.
  • 438 funds tracked by Wall St. Rank held Ultra Clean Holdings as of Q2 2026.

Based on Atom Investors's 13F filing for Q2 2026, filed 14 Aug 2026.