JO
UCTT

John Overdeck’s Ultra Clean Holdings UCTT Stock Holding History

John Overdeck’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
2022
Q1 		– Sell
-6,600
Closed -$379K – 4328
2021
Q4 		$379K Sell
6,600
-16,100
-71% -$837K ﹤0.01% 3490
2021
Q3 		$967K Buy
22,700
+12,500
+123% +$589K ﹤0.01% 2645
2021
Q2 		$548K Buy
+10,200
New +$546K ﹤0.01% 3014
2018
Q3 		– Sell
-14,900
Closed -$247K – 3609
2018
Q2 		$247K Sell
14,900
-7,900
-35% -$139K ﹤0.01% 3046
2018
Q1 		$439K Sell
22,800
-500
-2% -$10.5K ﹤0.01% 2549
2017
Q4 		$538K Buy
+23,300
New +$597K ﹤0.01% 2387

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

John Overdeck's UCTT Position: Q2 2026 in Review

John Overdeck increased its Ultra Clean Holdings (UCTT) stake by 4.9% in Q2 2026, buying an estimated $2.53M and bringing the position to 609,851 shares worth $87M. The position accounts for 0.06% of the portfolio, ranked #353.

John Overdeck first reported a position in UCTT in Q2 2013 and has held it in 36 quarters since. 436 funds tracked by Wall St. Rank hold UCTT as of Q2 2026.

  • John Overdeck held 609,851 shares of Ultra Clean Holdings worth $87M as of Q2 2026.
  • John Overdeck bought 28,720 Ultra Clean Holdings shares in Q2 2026, an estimated $2.53M.
  • Ultra Clean Holdings made up 0.06% of John Overdeck's portfolio in Q2 2026, its #353 holding.
  • John Overdeck first reported a position in Ultra Clean Holdings in Q2 2013 and has held it in 36 quarters since.
  • 436 funds tracked by Wall St. Rank held Ultra Clean Holdings as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.