QUANTERIX CORP

Ticker: QTRX CUSIP: 74766Q101 Class: Common Stock

PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO's Holding History (CIK: 0001007280)

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

Q4 2023

Shares 7,120 Value ($000) $195 Avg Close $23.54 Range $19.35 - $28.78

Q3 2023

Shares 7,120 Value ($000) $193 Avg Close $24.75 Range $20.57 - $28.77

Q2 2023

Shares 9,300 Value ($000) $210 Avg Close $17.82 Range $10.64 - $24.14

Q1 2023

Shares 2,600 Value ($000) $29 Avg Close $12.78 Range $10.02 - $15.63

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2023	7,120	$195	$23.54	$19.35 - $28.78
Q3 2023	7,120	$193	$24.75	$20.57 - $28.77
Q2 2023	9,300	$210	$17.82	$10.64 - $24.14
Q1 2023	2,600	$29	$12.78	$10.02 - $15.63