William Blair Investment Management
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William Blair Investment Management’s Boston Scientific BSX Stock Holding History

William Blair Investment Management’s Portfolio BSX Stock Details BSX Fund Activity
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Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		$4.91M Buy
2018
Q1 		– Sell
2017
Q4 		$25.2M Sell
2017
Q3 		$44.2M Sell
2017
Q2 		$42.5M Sell
2017
Q1 		$38.5M Sell
2016
Q4 		$34.3M Sell
2016
Q3 		$38.3M Buy