QUANTERIX CORP

Ticker: QTRX CUSIP: 74766Q101 Class: Common Stock

Parkman Healthcare Partners LLC's Holding History (CIK: 0001777015)

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

Q4 2025
Shares 328,956 Value ($000) $2,092 Avg Close $6.21 Range $4.50 - $7.88
Q3 2025
Shares 252,211 Value ($000) $1,370 Avg Close $5.32 Range $4.15 - $7.09
Q2 2025
Shares 515,992 Value ($000) $3,431 Avg Close $5.57 Range $4.05 - $7.03
Q2 2024
Shares 176,377 Value ($000) $2,330 Avg Close $16.71 Range $11.83 - $23.86
Q1 2024
Shares 176,112 Value ($000) $4,149 Avg Close $24.77 Range $21.53 - $29.70
Q4 2023
Shares 146,366 Value ($000) $4,002 Avg Close $23.54 Range $19.35 - $28.78
Q3 2023
Shares 77,087 Value ($000) $2,092 Avg Close $24.75 Range $20.57 - $28.77
Q2 2023
Shares 50,144 Value ($000) $1,131 Avg Close $17.82 Range $10.64 - $24.14
Q4 2021
Shares 20,000 Value ($000) $848 Avg Close $46.70 Range $35.02 - $60.92