William Blair & Company
UCTT

William Blair & Company’s Ultra Clean Holdings UCTT Stock Holding History

William Blair & Company’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
Q2 		– Sell
-22,100
Closed -$473K – 1901
2025
Q1 		$473K Buy
22,100
+12,325
+126% +$394K ﹤0.01% 1102
2024
Q4 		$351K Buy
+9,775
New +$361K ﹤0.01% 1227
2014
Q1 		– Sell
-501,366
Closed -$5.03M – 2068
2013
Q4 		$5.03M Sell
501,366
-218,141
-30% -$1.96M 0.01% 940
2013
Q3 		$4.97M Buy
719,507
+4,990
+0.7% +$33.3K 0.01% 900
2013
Q2 		$4.32M Buy
+714,517
New +$4.29M 0.01% 904

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
SCM
Shapiro Capital Management Atlanta, Georgia $1.65B AUM 26.74% 1-Year Est. Return
FCM
Frontier Capital Management Boston, Massachusetts $10.7B AUM 67.78% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 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
DCM
Divisar Capital Management San Francisco, California $434M AUM 170.22% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
RA
Royce & Associates New York $12.4B AUM 64.17% 1-Year Est. Return

William Blair & Company's UCTT Position: Q2 2025 in Review

William Blair & Company sold out of Ultra Clean Holdings (UCTT) in Q2 2025, closing a stake of 22,100 shares — an estimated $473K sold.

William Blair & Company first reported a position in UCTT in Q2 2013 and held it in 5 quarters. The position peaked at $5.03M in Q4 2013. 231 funds tracked by Wall St. Rank hold UCTT as of Q2 2025.

  • William Blair & Company reported no remaining Ultra Clean Holdings position as of Q2 2025 after selling out during the quarter.
  • William Blair & Company sold 22,100 Ultra Clean Holdings shares in Q2 2025, an estimated $473K.
  • William Blair & Company first reported a position in Ultra Clean Holdings in Q2 2013 and held it in 5 quarters.
  • William Blair & Company's Ultra Clean Holdings position peaked at $5.03M in Q4 2013.
  • 231 funds tracked by Wall St. Rank held Ultra Clean Holdings as of Q2 2025.

Based on William Blair & Company's 13F filing for Q2 2025, filed 24 Jul 2025.