QUANTERIX CORP

Ticker: QTRX CUSIP: 74766Q101 Class: Common Stock

Leonteq Securities AG's Holding History (CIK: 0001535950)

Note: Option positions (PUT/CALL) are excluded.

Q1 2022

Shares 3,360 Value ($000) $98 Avg Close $30.56 Range $22.70 - $43.32

Q4 2021

Shares 5,991 Value ($000) $254 Avg Close $46.70 Range $35.02 - $60.92

Q3 2021

Shares 4,176 Value ($000) $208 Avg Close $51.55 Range $44.20 - $60.95

Q2 2021

Shares 2,726 Value ($000) $160 Avg Close $58.04 Range $41.76 - $69.22

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2022	3,360	$98	$30.56	$22.70 - $43.32
Q4 2021	5,991	$254	$46.70	$35.02 - $60.92
Q3 2021	4,176	$208	$51.55	$44.20 - $60.95
Q2 2021	2,726	$160	$58.04	$41.76 - $69.22