QUANTERIX CORP

Ticker: QTRX CUSIP: 74766Q101 Class: Common Stock

VICTORY CAPITAL MANAGEMENT INC's Holding History (CIK: 0001040188)

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

Q1 2022

Shares 41,015 Value ($000) $1,197 Avg Close $30.56 Range $22.70 - $43.32

Q4 2021

Shares 84,505 Value ($000) $3,583 Avg Close $46.70 Range $35.02 - $60.92

Q3 2021

Shares 735,391 Value ($000) $36,615 Avg Close $51.55 Range $44.20 - $60.95

Q2 2021

Shares 650,009 Value ($000) $38,130 Avg Close $58.04 Range $41.76 - $69.22

Q1 2021

Shares 703,045 Value ($000) $41,107 Avg Close $67.60 Range $42.92 - $92.57

Q4 2020

Shares 56,900 Value ($000) $2,646 Avg Close $43.65 Range $33.55 - $52.75

Q3 2020

Shares 60,380 Value ($000) $2,037 Avg Close $32.20 Range $26.01 - $37.77

Q1 2020

Shares 3,543 Value ($000) $65 Avg Close $22.82 Range $10.89 - $29.00

Q4 2019

Shares 10,860 Value ($000) $257 Avg Close $22.82 Range $19.08 - $26.07

Q3 2019

Shares 5,154 Value ($000) $113 Avg Close $27.89 Range $21.17 - $35.69

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2022	41,015	$1,197	$30.56	$22.70 - $43.32
Q4 2021	84,505	$3,583	$46.70	$35.02 - $60.92
Q3 2021	735,391	$36,615	$51.55	$44.20 - $60.95
Q2 2021	650,009	$38,130	$58.04	$41.76 - $69.22
Q1 2021	703,045	$41,107	$67.60	$42.92 - $92.57
Q4 2020	56,900	$2,646	$43.65	$33.55 - $52.75
Q3 2020	60,380	$2,037	$32.20	$26.01 - $37.77
Q1 2020	3,543	$65	$22.82	$10.89 - $29.00
Q4 2019	10,860	$257	$22.82	$19.08 - $26.07
Q3 2019	5,154	$113	$27.89	$21.17 - $35.69