QUANTERIX CORP

Ticker: QTRX CUSIP: 74766Q101 Class: Common Stock

Hillsdale Investment Management Inc.'s Holding History (CIK: 0001368465)

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

Q1 2024

Shares 500 Value ($000) $12 Avg Close $24.77 Range $21.53 - $29.70

Q4 2023

Shares 163,970 Value ($000) $4,483 Avg Close $23.54 Range $19.35 - $28.78

Q3 2023

Shares 163,930 Value ($000) $4,449 Avg Close $24.75 Range $20.57 - $28.77

Q2 2023

Shares 96,320 Value ($000) $2,172 Avg Close $17.82 Range $10.64 - $24.14

Q1 2021

Shares 62,600 Value ($000) $3,660 Avg Close $67.60 Range $42.92 - $92.57

Q4 2020

Shares 21,000 Value ($000) $977 Avg Close $43.65 Range $33.55 - $52.75

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2024	500	$12	$24.77	$21.53 - $29.70
Q4 2023	163,970	$4,483	$23.54	$19.35 - $28.78
Q3 2023	163,930	$4,449	$24.75	$20.57 - $28.77
Q2 2023	96,320	$2,172	$17.82	$10.64 - $24.14
Q1 2021	62,600	$3,660	$67.60	$42.92 - $92.57
Q4 2020	21,000	$977	$43.65	$33.55 - $52.75