Quanterix Corp (QTRX)

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Institutional Investors' Holdings

Filing Period:

No.	Name	Shares	Value	% Port
1.	Ameriprise Financial Inc	3,715,238	$24,186,200	0.01%
2.	Blackrock, Inc.	3,070,115	$19,986,450	0%
3.	Vanguard Group Inc	2,525,679	$16,442,171	0%
4.	Ubs Group Ag	1,114,978	$7,258,507	0%
5.	William Blair Investment Management, Llc	1,106,063	$7,200,470	0.02%