QUANTERIX CORP

Ticker: QTRX CUSIP: 74766Q101 Class: Common Stock

Redmile Group, LLC's Holding History (CIK: 0001425738)

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

Q2 2021

Shares 240,933 Value ($000) $14,133 Avg Close $58.04 Range $41.76 - $69.22

Q1 2021

Shares 300,000 Value ($000) $17,541 Avg Close $67.60 Range $42.92 - $92.57

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2021	240,933	$14,133	$58.04	$41.76 - $69.22
Q1 2021	300,000	$17,541	$67.60	$42.92 - $92.57