ET
UCTT

Entropy Technologies’s Ultra Clean Holdings UCTT Stock Holding History

Entropy Technologies’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
Q1 		$567K Buy
+9,126
New +$468K 0.03% 560
2025
Q3 		– Sell
-9,677
Closed -$218K – 1102
2025
Q2 		$218K Buy
+9,677
New +$199K 0.02% 681

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

Entropy Technologies's UCTT Position: Q1 2026 in Review

Entropy Technologies opened a new position in Ultra Clean Holdings (UCTT) in Q1 2026: 9,126 shares worth $567K. The stake represents 0.03% of the portfolio and ranks #560 among its holdings. This is a return to the name: Entropy Technologies previously reported a position in UCTT as recently as Q2 2025.

Entropy Technologies first reported a position in UCTT in Q2 2025 and has held it in 2 quarters since. 331 funds tracked by Wall St. Rank hold UCTT as of Q1 2026.

  • Entropy Technologies held 9,126 shares of Ultra Clean Holdings worth $567K as of Q1 2026.
  • Ultra Clean Holdings was a new Entropy Technologies position in Q1 2026.
  • Ultra Clean Holdings made up 0.03% of Entropy Technologies's portfolio in Q1 2026, its #560 holding.
  • Entropy Technologies first reported a position in Ultra Clean Holdings in Q2 2025 and has held it in 2 quarters since.
  • 331 funds tracked by Wall St. Rank held Ultra Clean Holdings as of Q1 2026.

Based on Entropy Technologies's 13F filing for Q1 2026, filed 14 May 2026.