QUANTERIX CORP

Ticker: QTRX CUSIP: 74766Q101 Class: Common Stock

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q3 2022
Shares 12,760 Value ($000) $141 Avg Close $12.71 Range $6.31 - $19.46
Q2 2022
Shares 12,760 Value ($000) $207 Avg Close $20.56 Range $14.58 - $31.33
Q1 2022
Shares 12,760 Value ($000) $372 Avg Close $30.56 Range $22.70 - $43.32
Q4 2021
Shares 12,560 Value ($000) $533 Avg Close $46.70 Range $35.02 - $60.92
Q3 2021
Shares 12,860 Value ($000) $640 Avg Close $51.55 Range $44.20 - $60.95
Q2 2021
Shares 12,660 Value ($000) $743 Avg Close $58.04 Range $41.76 - $69.22
Q1 2021
Shares 11,310 Value ($000) $661 Avg Close $67.60 Range $42.92 - $92.57
Q4 2020
Shares 16,410 Value ($000) $763 Avg Close $43.65 Range $33.55 - $52.75