William Blair & Company
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William Blair & Company’s Principal Exchange-Traded Funds Principal US Mega-Cap ETF USMC Stock Holding History

William Blair & Company’s Portfolio USMC Stock Details USMC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change % 		Capital Flow Portfolio Weight Portfolio Position
2025
Q2 		$335K Hold
5,351
– – ﹤0.01% 1220
2025
Q1 		$304K Buy
5,351
+668
+14% +$37.9K ﹤0.01% 1253
2024
Q4 		$281K Buy
4,683
+986
+27% +$59.2K ﹤0.01% 1311
2024
Q3 		$211K Hold
3,697
– – ﹤0.01% 1417
2024
Q2 		$201K Buy
+3,697
New +$201K ﹤0.01% 1412