William Blair Investment Management
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William Blair Investment Management’s Vertex Pharmaceuticals VRTX Stock Holding History

William Blair Investment Management’s Portfolio VRTX Stock Details VRTX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change % 		Capital Flow Portfolio Weight Portfolio Position
2025
Q2 		$10.1M Sell
22,608
-56,724
-72% -$25.3M 0.03% 327
2025
Q1 		$38.5M Buy
79,332
+1,800
+2% +$873K 0.11% 168
2024
Q4 		$31.2M Buy
77,532
+983
+1% +$396K 0.08% 245
2024
Q3 		$35.6M Buy
+76,549
New +$35.6M 0.09% 194