QUANTUM SI INC

Ticker: QSI CUSIP: 74765K105 Class: Common Stock

SUSQUEHANNA INTERNATIONAL GROUP, LLP's Holding History (CIK: 0001446194)

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

Q4 2025
Shares 2,327,785 Value ($000) $2,561 Avg Close $1.63 Range $1.07 - $3.10
Q3 2025
Shares 2,041,095 Value ($000) $2,878 Avg Close $1.45 Range $0.95 - $2.18
Q2 2025
Shares 986,084 Value ($000) $1,933 Avg Close $1.48 Range $1.02 - $2.15
Q1 2025
Shares 796,930 Value ($000) $956 Avg Close $1.92 Range $1.12 - $5.77
Q4 2024
Shares 1,002,873 Value ($000) $2,708 Avg Close $1.17 Range $0.61 - $4.14
Q3 2024
Shares 44,029 Value ($000) $39 Avg Close $0.97 Range $0.79 - $1.26
Q2 2024
Shares 135,088 Value ($000) $142 Avg Close $1.60 Range $0.73 - $1.99
Q1 2024
Shares 25,426 Value ($000) $50 Avg Close $1.75 Range $1.38 - $2.43
Q4 2023
Shares 106,445 Value ($000) $214 Avg Close $1.52 Range $1.12 - $2.31
Q3 2023
Shares 120,296 Value ($000) $200 Avg Close $2.41 Range $1.57 - $3.90
Q2 2023
Shares 93,182 Value ($000) $167 Avg Close $1.57 Range $1.36 - $1.94
Q1 2023
Shares 99,049 Value ($000) $174 Avg Close $1.97 Range $1.54 - $2.63
Q4 2022
Shares 118,829 Value ($000) $217 Avg Close $2.58 Range $1.72 - $3.61
Q3 2022
Shares 80,761 Value ($000) $222 Avg Close $3.20 Range $2.31 - $4.43
Q2 2022
Shares 290,762 Value ($000) $675 Avg Close $3.83 Range $2.22 - $4.97
Q1 2022
Shares 450,850 Value ($000) $2,110 Avg Close $4.87 Range $3.72 - $8.30
Q4 2021
Shares 110,598 Value ($000) $870 Avg Close $7.53 Range $5.33 - $9.10
Q3 2021
Shares 159,068 Value ($000) $1,327 Avg Close $9.85 Range $7.43 - $14.17
Q2 2021
Shares 135,503 Value ($000) $1,661 Avg Close $10.48 Range $7.85 - $13.23