Two Sigma Investments
UCTT

Two Sigma Investments’s Ultra Clean Holdings UCTT Stock Holding History

Two Sigma Investments’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 $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
FCM
Frontier Capital Management Boston, Massachusetts $9.73B AUM 55.65% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $13.6B AUM 173.98% 1-Year Est. Return

Two Sigma Investments's UCTT Position: Q1 2026 in Review

Two Sigma Investments opened a new position in Ultra Clean Holdings (UCTT) in Q1 2026: 581,131 shares worth $36.1M. The stake represents 0.03% of the portfolio and ranks #638 among its holdings. This is a return to the name: Two Sigma Investments previously reported a position in UCTT as recently as Q4 2024.

Two Sigma Investments first reported a position in UCTT in Q2 2013 and has held it in 35 quarters since. 331 funds tracked by Wall St. Rank hold UCTT as of Q1 2026.

  • Two Sigma Investments held 581,131 shares of Ultra Clean Holdings worth $36.1M as of Q1 2026.
  • Ultra Clean Holdings was a new Two Sigma Investments position in Q1 2026.
  • Ultra Clean Holdings made up 0.03% of Two Sigma Investments's portfolio in Q1 2026, its #638 holding.
  • Two Sigma Investments first reported a position in Ultra Clean Holdings in Q2 2013 and has held it in 35 quarters since.
  • 331 funds tracked by Wall St. Rank held Ultra Clean Holdings as of Q1 2026.

Based on Two Sigma Investments's 13F filing for Q1 2026, filed 15 May 2026.