QUANTERIX CORP

Ticker: QTRX CUSIP: 74766Q101 Class: Common Stock

Sio Capital Management, LLC's Holding History (CIK: 0001482416)

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

Q3 2020

Shares 124,609 Value ($000) $4,204 Avg Close $32.20 Range $26.01 - $37.77

Q2 2020

Shares 145,907 Value ($000) $3,996 Avg Close $25.27 Range $17.12 - $28.99

Q1 2020

Shares 237,081 Value ($000) $4,355 Avg Close $22.82 Range $10.89 - $29.00

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2020	124,609	$4,204	$32.20	$26.01 - $37.77
Q2 2020	145,907	$3,996	$25.27	$17.12 - $28.99
Q1 2020	237,081	$4,355	$22.82	$10.89 - $29.00