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 – 2069
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

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