QUANTERIX CORP

Ticker: QTRX CUSIP: 74766Q101 Class: Common Stock

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q4 2025
Shares 44,480 Value ($000) $283 Avg Close $6.21 Range $4.50 - $7.88
Q3 2025
Shares 44,480 Value ($000) $242 Avg Close $5.32 Range $4.15 - $7.09
Q2 2025
Shares 44,480 Value ($000) $296 Avg Close $5.57 Range $4.05 - $7.03
Q1 2025
Shares 36,980 Value ($000) $241 Avg Close $8.34 Range $6.16 - $12.41
Q4 2024
Shares 2,439,805 Value ($000) $25,935 Avg Close $12.16 Range $9.87 - $15.67
Q3 2024
Shares 3,265,603 Value ($000) $42,322 Avg Close $13.36 Range $10.50 - $16.74
Q2 2024
Shares 3,414,794 Value ($000) $45,109 Avg Close $16.71 Range $11.83 - $23.86
Q1 2024
Shares 2,531,528 Value ($000) $59,643 Avg Close $24.77 Range $21.53 - $29.70
Q4 2023
Shares 560,325 Value ($000) $15,319 Avg Close $23.54 Range $19.35 - $28.78
Q3 2023
Shares 40,200 Value ($000) $1,091 Avg Close $24.75 Range $20.57 - $28.77
Q2 2023
Shares 40,200 Value ($000) $907 Avg Close $17.82 Range $10.64 - $24.14
Q1 2023
Shares 40,200 Value ($000) $453 Avg Close $12.78 Range $10.02 - $15.63
Q4 2022
Shares 40,200 Value ($000) $557 Avg Close $11.51 Range $8.19 - $14.55
Q3 2022
Shares 29,200 Value ($000) $322 Avg Close $12.71 Range $6.31 - $19.46
Q2 2022
Shares 33,600 Value ($000) $544 Avg Close $20.56 Range $14.58 - $31.33
Q1 2022
Shares 33,600 Value ($000) $981 Avg Close $30.56 Range $22.70 - $43.32
Q4 2021
Shares 33,600 Value ($000) $1,425 Avg Close $46.70 Range $35.02 - $60.92
Q3 2021
Shares 33,600 Value ($000) $1,673 Avg Close $51.55 Range $44.20 - $60.95
Q2 2021
Shares 33,600 Value ($000) $1,971 Avg Close $58.04 Range $41.76 - $69.22
Q1 2021
Shares 24,100 Value ($000) $1,409 Avg Close $67.60 Range $42.92 - $92.57
Q4 2020
Shares 18,900 Value ($000) $879 Avg Close $43.65 Range $33.55 - $52.75
Q3 2020
Shares 18,900 Value ($000) $638 Avg Close $32.20 Range $26.01 - $37.77
Q2 2020
Shares 20,400 Value ($000) $559 Avg Close $25.27 Range $17.12 - $28.99
Q1 2020
Shares 20,400 Value ($000) $375 Avg Close $22.82 Range $10.89 - $29.00
Q4 2019
Shares 17,000 Value ($000) $402 Avg Close $22.82 Range $19.08 - $26.07
Q3 2019
Shares 17,000 Value ($000) $373 Avg Close $27.89 Range $21.17 - $35.69
Q2 2019
Shares 17,000 Value ($000) $574 Avg Close $25.87 Range $19.54 - $36.15
Q1 2019
Shares 11,800 Value ($000) $305 Avg Close $22.33 Range $17.08 - $26.06