William Blair Investment Management
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William Blair Investment Management’s Chubb CB Stock Holding History

William Blair Investment Management’s Portfolio CB Stock Details CB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change % 		Capital Flow Portfolio Weight Portfolio Position
2025
Q2 		$77.4M Buy
267,172
+7,487
+3% +$2.17M 0.21% 117
2025
Q1 		$78.4M Buy
259,685
+73,640
+40% +$22.2M 0.22% 116
2024
Q4 		$51.4M Buy
186,045
+932
+0.5% +$258K 0.13% 153
2024
Q3 		$53.4M Buy
+185,113
New +$53.4M 0.13% 132