QUANTERIX CORP

Ticker: QTRX CUSIP: 74766Q101 Class: Common Stock

Robeco Institutional Asset Management B.V.'s Holding History (CIK: 0001418773)

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

Q4 2023

Shares 2,470 Value ($000) $68 Avg Close $23.54 Range $19.35 - $28.78

Q3 2023

Shares 2,470 Value ($000) $67 Avg Close $24.75 Range $20.57 - $28.77

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2023	2,470	$68	$23.54	$19.35 - $28.78
Q3 2023	2,470	$67	$24.75	$20.57 - $28.77