QUANTERIX CORP

Ticker: QTRX CUSIP: 74766Q101 Class: Common Stock

CANADA PENSION PLAN INVESTMENT BOARD's Holding History (CIK: 0001283718)

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

Q2 2025

Shares 3,000 Value ($000) $20 Avg Close $5.57 Range $4.05 - $7.03

Q1 2025

Shares 10,200 Value ($000) $66 Avg Close $8.34 Range $6.16 - $12.41

Q4 2024

Shares 10,200 Value ($000) $108 Avg Close $12.16 Range $9.87 - $15.67

Q3 2024

Shares 6,200 Value ($000) $80 Avg Close $13.36 Range $10.50 - $16.74

Q2 2024

Shares 10,600 Value ($000) $140 Avg Close $16.71 Range $11.83 - $23.86

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	3,000	$20	$5.57	$4.05 - $7.03
Q1 2025	10,200	$66	$8.34	$6.16 - $12.41
Q4 2024	10,200	$108	$12.16	$9.87 - $15.67
Q3 2024	6,200	$80	$13.36	$10.50 - $16.74
Q2 2024	10,600	$140	$16.71	$11.83 - $23.86