PEAK6
UCTT icon

PEAK6’s Ultra Clean Holdings UCTT Stock Holding History

PEAK6’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 		$599K Buy
+4,200
New +$370K ﹤0.01% 1898
2025
Q1 		– Sell
-10,700
Closed -$385K – 3652
2024
Q4 		$385K Buy
+10,700
New +$396K ﹤0.01% 2282

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

PEAK6's UCTT Position: Q2 2026 in Review

PEAK6 opened a new position in Ultra Clean Holdings (UCTT) in Q2 2026: 97 shares worth $13.8K. The stake represents ﹤0.01% of the portfolio and ranks #2542 among its holdings.

438 funds tracked by Wall St. Rank hold UCTT as of Q2 2026.

  • PEAK6 held 97 shares of Ultra Clean Holdings worth $13.8K as of Q2 2026.
  • Ultra Clean Holdings was a new PEAK6 position in Q2 2026.
  • Ultra Clean Holdings made up ﹤0.01% of PEAK6's portfolio in Q2 2026, its #2542 holding.
  • 438 funds tracked by Wall St. Rank held Ultra Clean Holdings as of Q2 2026.

Based on PEAK6's 13F filing for Q2 2026, filed 13 Aug 2026.