QUANTERIX CORP

Ticker: QTRX CUSIP: 74766Q101 Class: Common Stock

Bank Julius Baer & Co. Ltd, Zurich's Holding History (CIK: 0001544599)

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

Q3 2021

Shares 12,500 Value ($000) $622 Avg Close $51.55 Range $44.20 - $60.95

Q2 2021

Shares 286,396 Value ($000) $16,800 Avg Close $58.04 Range $41.76 - $69.22

Q1 2021

Shares 247,386 Value ($000) $14,465 Avg Close $67.60 Range $42.92 - $92.57

Q4 2020

Shares 12,495 Value ($000) $581 Avg Close $43.65 Range $33.55 - $52.75

Q3 2020

Shares 12,500 Value ($000) $422 Avg Close $32.20 Range $26.01 - $37.77

Q2 2020

Shares 12,500 Value ($000) $342 Avg Close $25.27 Range $17.12 - $28.99

Q1 2020

Shares 12,500 Value ($000) $230 Avg Close $22.82 Range $10.89 - $29.00

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2021	12,500	$622	$51.55	$44.20 - $60.95
Q2 2021	286,396	$16,800	$58.04	$41.76 - $69.22
Q1 2021	247,386	$14,465	$67.60	$42.92 - $92.57
Q4 2020	12,495	$581	$43.65	$33.55 - $52.75
Q3 2020	12,500	$422	$32.20	$26.01 - $37.77
Q2 2020	12,500	$342	$25.27	$17.12 - $28.99
Q1 2020	12,500	$230	$22.82	$10.89 - $29.00