QUANTERIX CORP

Ticker: QTRX CUSIP: 74766Q101 Class: Common Stock

FIRST TRUST ADVISORS LP's Holding History (CIK: 0001125816)

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

Q1 2022

Shares 9,683 Value ($000) $283 Avg Close $30.56 Range $22.70 - $43.32

Q4 2021

Shares 10,090 Value ($000) $428 Avg Close $46.70 Range $35.02 - $60.92

Q3 2021

Shares 56,939 Value ($000) $2,835 Avg Close $51.55 Range $44.20 - $60.95

Q2 2021

Shares 81,251 Value ($000) $4,766 Avg Close $58.04 Range $41.76 - $69.22

Q1 2021

Shares 89,208 Value ($000) $5,216 Avg Close $67.60 Range $42.92 - $92.57

Q4 2020

Shares 67,320 Value ($000) $3,130 Avg Close $43.65 Range $33.55 - $52.75

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2022	9,683	$283	$30.56	$22.70 - $43.32
Q4 2021	10,090	$428	$46.70	$35.02 - $60.92
Q3 2021	56,939	$2,835	$51.55	$44.20 - $60.95
Q2 2021	81,251	$4,766	$58.04	$41.76 - $69.22
Q1 2021	89,208	$5,216	$67.60	$42.92 - $92.57
Q4 2020	67,320	$3,130	$43.65	$33.55 - $52.75