QUANTUM SI INC

Ticker: QSI CUSIP: 74765K105 Class: Common Stock

Bank of New York Mellon Corp's Holding History (CIK: 0001390777)

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

Q4 2025
Shares 406,291 Value ($000) $447 Avg Close $1.63 Range $1.07 - $3.10
Q3 2025
Shares 394,905 Value ($000) $557 Avg Close $1.45 Range $0.95 - $2.18
Q2 2025
Shares 352,732 Value ($000) $691 Avg Close $1.48 Range $1.02 - $2.15
Q1 2025
Shares 294,906 Value ($000) $354 Avg Close $1.92 Range $1.12 - $5.77
Q4 2024
Shares 269,807 Value ($000) $728 Avg Close $1.17 Range $0.61 - $4.14
Q3 2024
Shares 222,407 Value ($000) $196 Avg Close $0.97 Range $0.79 - $1.26
Q2 2024
Shares 322,460 Value ($000) $339 Avg Close $1.60 Range $0.73 - $1.99
Q1 2024
Shares 311,649 Value ($000) $614 Avg Close $1.75 Range $1.38 - $2.43
Q4 2023
Shares 342,382 Value ($000) $688 Avg Close $1.52 Range $1.12 - $2.31
Q3 2023
Shares 346,956 Value ($000) $576 Avg Close $2.41 Range $1.57 - $3.90
Q2 2023
Shares 355,764 Value ($000) $637 Avg Close $1.57 Range $1.36 - $1.94
Q1 2023
Shares 290,930 Value ($000) $512 Avg Close $1.97 Range $1.54 - $2.63
Q4 2022
Shares 295,654 Value ($000) $541 Avg Close $2.58 Range $1.72 - $3.61
Q3 2022
Shares 275,966 Value ($000) $759 Avg Close $3.20 Range $2.31 - $4.43
Q2 2022
Shares 246,855 Value ($000) $573 Avg Close $3.83 Range $2.22 - $4.97
Q1 2022
Shares 32,200 Value ($000) $151 Avg Close $4.87 Range $3.72 - $8.30
Q4 2021
Shares 32,200 Value ($000) $253 Avg Close $7.53 Range $5.33 - $9.10
Q3 2021
Shares 32,200 Value ($000) $269 Avg Close $9.85 Range $7.43 - $14.17