QUANTERIX CORP

Ticker: QTRX CUSIP: 74766Q101 Class: Common Stock

Allspring Global Investments Holdings, LLC's Holding History (CIK: 0001890906)

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

Q4 2025
Shares 15,560 Value ($000) $100 Avg Close $6.21 Range $4.50 - $7.88
Q3 2025
Shares 14,103 Value ($000) $77 Avg Close $5.32 Range $4.15 - $7.09
Q2 2025
Shares 14,242 Value ($000) $95 Avg Close $5.57 Range $4.05 - $7.03
Q1 2025
Shares 15,074 Value ($000) $98 Avg Close $8.34 Range $6.16 - $12.41
Q3 2024
Shares 9,886 Value ($000) $128 Avg Close $13.36 Range $10.50 - $16.74
Q2 2024
Shares 14,261 Value ($000) $188 Avg Close $16.71 Range $11.83 - $23.86
Q1 2024
Shares 12,844 Value ($000) $303 Avg Close $24.77 Range $21.53 - $29.70
Q4 2023
Shares 10,504 Value ($000) $287 Avg Close $23.54 Range $19.35 - $28.78
Q3 2023
Shares 16,469 Value ($000) $447 Avg Close $24.75 Range $20.57 - $28.77
Q2 2023
Shares 15,351 Value ($000) $346 Avg Close $17.82 Range $10.64 - $24.14
Q1 2023
Shares 18,840 Value ($000) $212 Avg Close $12.78 Range $10.02 - $15.63
Q4 2022
Shares 2,745 Value ($000) $38 Avg Close $11.51 Range $8.19 - $14.55
Q3 2022
Shares 2,801 Value ($000) $30 Avg Close $12.71 Range $6.31 - $19.46
Q2 2022
Shares 528 Value ($000) $8 Avg Close $20.56 Range $14.58 - $31.33
Q1 2022
Shares 11,720 Value ($000) $342 Avg Close $30.56 Range $22.70 - $43.32
Q4 2021
Shares 12,653 Value ($000) $536 Avg Close $46.70 Range $35.02 - $60.92