QUANTERIX CORP

Ticker: QTRX CUSIP: 74766Q101 Class: Common Stock

SEI INVESTMENTS CO's Holding History (CIK: 0000350894)

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

Q3 2023

Shares 17,784 Value ($000) $483 Avg Close $24.75 Range $20.57 - $28.77

Q2 2023

Shares 17,969 Value ($000) $405 Avg Close $17.82 Range $10.64 - $24.14

Q4 2020

Shares 6,140 Value ($000) $286 Avg Close $43.65 Range $33.55 - $52.75

Q3 2020

Shares 6,330 Value ($000) $214 Avg Close $32.20 Range $26.01 - $37.77

Q1 2019

Shares 31,717 Value ($000) $819 Avg Close $22.33 Range $17.08 - $26.06

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2023	17,784	$483	$24.75	$20.57 - $28.77
Q2 2023	17,969	$405	$17.82	$10.64 - $24.14
Q4 2020	6,140	$286	$43.65	$33.55 - $52.75
Q3 2020	6,330	$214	$32.20	$26.01 - $37.77
Q1 2019	31,717	$819	$22.33	$17.08 - $26.06