MF
UCTT

Magnetar Financial’s Ultra Clean Holdings UCTT Stock Holding History

Magnetar Financial’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
2025
Q4 		– Sell
-15,120
Closed -$412K – 1219
2025
Q3 		$412K Buy
+15,120
New +$372K ﹤0.01% 633
2025
Q1 		– Sell
-8,122
Closed -$292K – 947
2024
Q4 		$292K Buy
+8,122
New +$300K 0.01% 476

Other funds holding UCTT

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
FCM
Frontier Capital Management Boston, Massachusetts $10.7B AUM 67.78% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
SCM
Shapiro Capital Management Atlanta, Georgia $1.65B AUM 26.74% 1-Year Est. Return
RA
Royce & Associates New York $12.4B AUM 64.17% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

Magnetar Financial's UCTT Position: Q4 2025 in Review

Magnetar Financial sold out of Ultra Clean Holdings (UCTT) in Q4 2025, closing a stake of 15,120 shares — an estimated $412K sold.

Magnetar Financial first reported a position in UCTT in Q4 2024 and held it in 2 quarters. The position peaked at $412K in Q3 2025. 238 funds tracked by Wall St. Rank hold UCTT as of Q4 2025.

  • Magnetar Financial reported no remaining Ultra Clean Holdings position as of Q4 2025 after selling out during the quarter.
  • Magnetar Financial sold 15,120 Ultra Clean Holdings shares in Q4 2025, an estimated $412K.
  • Magnetar Financial first reported a position in Ultra Clean Holdings in Q4 2024 and held it in 2 quarters.
  • Magnetar Financial's Ultra Clean Holdings position peaked at $412K in Q3 2025.
  • 238 funds tracked by Wall St. Rank held Ultra Clean Holdings as of Q4 2025.

Based on Magnetar Financial's 13F filing for Q4 2025, filed 17 Feb 2026.