QUANTERIX CORP

Ticker: QTRX CUSIP: 74766Q101 Class: Common Stock

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q3 2022

Shares 13,673 Value ($000) $151 Avg Close $12.71 Range $6.31 - $19.46

Q2 2021

Shares 4,798 Value ($000) $281 Avg Close $58.04 Range $41.76 - $69.22

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2022	13,673	$151	$12.71	$6.31 - $19.46
Q2 2021	4,798	$281	$58.04	$41.76 - $69.22