QUANTERIX CORP

Ticker: QTRX CUSIP: 74766Q101 Class: Common Stock

Williams Jones Wealth Management, LLC.'s Holding History (CIK: 0001788587)

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

Q4 2025
Shares 638,939 Value ($000) $4,064 Avg Close $6.21 Range $4.50 - $7.88
Q3 2025
Shares 686,464 Value ($000) $3,728 Avg Close $5.32 Range $4.15 - $7.09
Q2 2025
Shares 676,014 Value ($000) $4,495 Avg Close $5.57 Range $4.05 - $7.03
Q1 2025
Shares 513,489 Value ($000) $3,343 Avg Close $8.34 Range $6.16 - $12.41
Q4 2024
Shares 471,514 Value ($000) $5,012 Avg Close $12.16 Range $9.87 - $15.67
Q3 2024
Shares 337,044 Value ($000) $4,368 Avg Close $13.36 Range $10.50 - $16.74
Q2 2024
Shares 222,145 Value ($000) $2,935 Avg Close $16.71 Range $11.83 - $23.86
Q1 2024
Shares 56,337 Value ($000) $1,327 Avg Close $24.77 Range $21.53 - $29.70