QUANTERIX CORP

Ticker: QTRX CUSIP: 74766Q101 Class: Common Stock

Quarry LP's Holding History (CIK: 0001965207)

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

Q3 2025

Shares 5,548 Value ($000) $30 Avg Close $5.32 Range $4.15 - $7.09

Q2 2025

Shares 2 Value ($000) $0 Avg Close $5.57 Range $4.05 - $7.03

Q3 2024

Shares 620 Value ($000) $8 Avg Close $13.36 Range $10.50 - $16.74

Q2 2024

Shares 84 Value ($000) $1 Avg Close $16.71 Range $11.83 - $23.86

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	5,548	$30	$5.32	$4.15 - $7.09
Q2 2025	2	$0	$5.57	$4.05 - $7.03
Q3 2024	620	$8	$13.36	$10.50 - $16.74
Q2 2024	84	$1	$16.71	$11.83 - $23.86