QUANTERIX CORP

Ticker: QTRX CUSIP: 74766Q101 Class: Common Stock

HUB Investment Partners, LLC's Holding History (CIK: 0001841815)

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

Q4 2025

Shares 13,661 Value ($000) $87 Avg Close $6.21 Range $4.50 - $7.88

Q3 2025

Shares 12,161 Value ($000) $66 Avg Close $5.32 Range $4.15 - $7.09

Q2 2025

Shares 12,161 Value ($000) $81 Avg Close $5.57 Range $4.05 - $7.03

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	13,661	$87	$6.21	$4.50 - $7.88
Q3 2025	12,161	$66	$5.32	$4.15 - $7.09
Q2 2025	12,161	$81	$5.57	$4.05 - $7.03