William Blair Investment Management
MIR icon

William Blair Investment Management’s Mirion Technologies MIR Stock Holding History

William Blair Investment Management’s Portfolio MIR Stock Details MIR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change % 		Capital Flow Portfolio Weight Portfolio Position
2025
Q2 		$21.7M Sell
1,005,847
-725,544
-42% -$15.6M 0.06% 276
2025
Q1 		$25.1M Sell
1,731,391
-1,309,625
-43% -$19M 0.07% 260
2024
Q4 		$53.1M Buy
+3,041,016
New +$53.1M 0.13% 148