QUANTERIX CORP

Ticker: QTRX CUSIP: 74766Q101 Class: Common Stock

Empire Financial Management Company, LLC's Holding History (CIK: 0001971875)

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

Q4 2025
Shares 617,830 Value ($000) $3,929 Avg Close $6.21 Range $4.50 - $7.88
Q3 2025
Shares 452,430 Value ($000) $2,457 Avg Close $5.32 Range $4.15 - $7.09
Q2 2025
Shares 123,980 Value ($000) $824 Avg Close $5.57 Range $4.05 - $7.03
Q1 2025
Shares 50,000 Value ($000) $326 Avg Close $8.34 Range $6.16 - $12.41
Q4 2024
Shares 31,500 Value ($000) $335 Avg Close $12.16 Range $9.87 - $15.67
Q3 2024
Shares 37,500 Value ($000) $486 Avg Close $13.36 Range $10.50 - $16.74
Q2 2024
Shares 18,750 Value ($000) $248 Avg Close $16.71 Range $11.83 - $23.86
Q1 2024
Shares 18,750 Value ($000) $442 Avg Close $24.77 Range $21.53 - $29.70
Q4 2023
Shares 18,000 Value ($000) $492 Avg Close $23.54 Range $19.35 - $28.78