QUANTERIX CORP

Ticker: QTRX CUSIP: 74766Q101 Class: Common Stock

OBERWEIS ASSET MANAGEMENT INC/'s Holding History (CIK: 0000937886)

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

Q1 2024

Shares 99,700 Value ($000) $2,349 Avg Close $24.77 Range $21.53 - $29.70

Q4 2023

Shares 87,800 Value ($000) $2,400 Avg Close $23.54 Range $19.35 - $28.78

Q3 2023

Shares 83,400 Value ($000) $2,263 Avg Close $24.75 Range $20.57 - $28.77

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2024	99,700	$2,349	$24.77	$21.53 - $29.70
Q4 2023	87,800	$2,400	$23.54	$19.35 - $28.78
Q3 2023	83,400	$2,263	$24.75	$20.57 - $28.77