William Blair & Company
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William Blair & Company’s Alnylam Pharmaceuticals ALNY Stock Holding History

William Blair & Company’s Portfolio ALNY Stock Details ALNY Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change % 		Capital Flow Portfolio Weight Portfolio Position
2025
Q2 		$3.45M Sell
10,592
-486
-4% -$158K 0.01% 589
2025
Q1 		$2.99M Sell
11,078
-884
-7% -$239K 0.01% 615
2024
Q4 		$2.81M Sell
11,962
-1,372
-10% -$323K 0.01% 642
2024
Q3 		$3.67M Buy
+13,334
New +$3.67M 0.01% 570