QUANTERIX CORP

Ticker: QTRX CUSIP: 74766Q101 Class: Common Stock

Park West Asset Management LLC's Holding History (CIK: 0001386928)

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

Q4 2019
Shares 390,000 Value ($000) $9,216 Avg Close $22.82 Range $19.08 - $26.07
Q3 2019
Shares 312,464 Value ($000) $6,862 Avg Close $27.89 Range $21.17 - $35.69
Q1 2019
Shares 139,255 Value ($000) $3,597 Avg Close $22.33 Range $17.08 - $26.06
Q4 2018
Shares 208,436 Value ($000) $3,816 Avg Close $17.94 Range $16.00 - $22.23
Q3 2018
Shares 208,436 Value ($000) $4,465 Avg Close $15.81 Range $13.00 - $22.61
Q2 2018
Shares 208,436 Value ($000) $2,993 Avg Close $17.31 Range $13.53 - $20.83
Q1 2018
Shares 208,436 Value ($000) $3,552 Avg Close $20.04 Range $16.03 - $24.80
Q4 2017
Shares 223,400 Value ($000) $4,796 Avg Close $19.52 Range $15.56 - $23.70