William Blair Investment Management
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William Blair Investment Management’s Masimo MASI Stock Holding History

William Blair Investment Management’s Portfolio MASI Stock Details MASI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2021
Q3 		– Sell
2021
Q2 		$105M Sell
2021
Q1 		$101M Sell
2020
Q4 		$118M Sell
2020
Q3 		$105M Sell
2020
Q2 		$103M Sell
2020
Q1 		$142M Buy