Calamos Advisors
UCTT

Calamos Advisors’s Ultra Clean Holdings UCTT Stock Holding History

Calamos Advisors’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 		$8.72M Sell
61,129
-28,740
-32% -$2.53M 0.03% 444
2026
Q1 		$5.59M Buy
+89,869
New +$4.61M 0.02% 533

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

Calamos Advisors's UCTT Position: Q2 2026 in Review

Calamos Advisors reduced its Ultra Clean Holdings (UCTT) stake by 32% in Q2 2026, selling an estimated $2.53M and leaving 61,129 shares worth $8.72M. The position accounts for 0.03% of the portfolio, ranked #444.

Calamos Advisors first reported a position in UCTT in Q1 2026 and has held it in 2 quarters since. 439 funds tracked by Wall St. Rank hold UCTT as of Q2 2026.

  • Calamos Advisors held 61,129 shares of Ultra Clean Holdings worth $8.72M as of Q2 2026.
  • Calamos Advisors sold 28,740 Ultra Clean Holdings shares in Q2 2026, an estimated $2.53M.
  • Ultra Clean Holdings made up 0.03% of Calamos Advisors's portfolio in Q2 2026, its #444 holding.
  • Calamos Advisors first reported a position in Ultra Clean Holdings in Q1 2026 and has held it in 2 quarters since.
  • 439 funds tracked by Wall St. Rank held Ultra Clean Holdings as of Q2 2026.

Based on Calamos Advisors's 13F filing for Q2 2026, filed 31 Jul 2026.