QUANTERIX CORP

Ticker: QTRX CUSIP: 74766Q101 Class: Common Stock

KORNITZER CAPITAL MANAGEMENT INC /KS's Holding History (CIK: 0000898358)

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

Q1 2022
Shares 384,675 Value ($000) $11,229 Avg Close $30.56 Range $22.70 - $43.32
Q4 2021
Shares 384,675 Value ($000) $16,310 Avg Close $46.70 Range $35.02 - $60.92
Q3 2021
Shares 342,045 Value ($000) $17,030 Avg Close $51.55 Range $44.20 - $60.95
Q2 2021
Shares 275,915 Value ($000) $16,185 Avg Close $58.04 Range $41.76 - $69.22
Q1 2021
Shares 250,915 Value ($000) $14,671 Avg Close $67.60 Range $42.92 - $92.57
Q4 2020
Shares 283,580 Value ($000) $13,186 Avg Close $43.65 Range $33.55 - $52.75
Q3 2020
Shares 287,030 Value ($000) $9,684 Avg Close $32.20 Range $26.01 - $37.77
Q2 2020
Shares 267,155 Value ($000) $7,317 Avg Close $25.27 Range $17.12 - $28.99
Q1 2020
Shares 269,415 Value ($000) $4,949 Avg Close $22.82 Range $10.89 - $29.00
Q4 2019
Shares 204,120 Value ($000) $4,823 Avg Close $22.82 Range $19.08 - $26.07
Q3 2019
Shares 164,110 Value ($000) $3,604 Avg Close $27.89 Range $21.17 - $35.69