QUANTERIX CORP

Ticker: QTRX CUSIP: 74766Q101 Class: Common Stock

O'SHAUGHNESSY ASSET MANAGEMENT, LLC's Holding History (CIK: 0001423442)

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

Q3 2021

Shares 1,335 Value ($000) $67 Avg Close $51.55 Range $44.20 - $60.95

Q2 2021

Shares 1,335 Value ($000) $78 Avg Close $58.04 Range $41.76 - $69.22

Q1 2021

Shares 1,492 Value ($000) $87 Avg Close $67.60 Range $42.92 - $92.57

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2021	1,335	$67	$51.55	$44.20 - $60.95
Q2 2021	1,335	$78	$58.04	$41.76 - $69.22
Q1 2021	1,492	$87	$67.60	$42.92 - $92.57