QUANTERIX CORP

Ticker: QTRX CUSIP: 74766Q101 Class: Common Stock

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND's Holding History (CIK: 0001535845)

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

Q3 2023

Shares 24,310 Value ($000) $660 Avg Close $24.75 Range $20.57 - $28.77

Q2 2023

Shares 27,000 Value ($000) $609 Avg Close $17.82 Range $10.64 - $24.14

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2023	24,310	$660	$24.75	$20.57 - $28.77
Q2 2023	27,000	$609	$17.82	$10.64 - $24.14