QUANTUM SI INC

Ticker: QSI CUSIP: 74765K105 Class: Common Stock

BANK OF AMERICA CORP /DE/'s Holding History (CIK: 0000070858)

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

Q4 2025
Shares 258,445 Value ($000) $284 Avg Close $1.63 Range $1.07 - $3.10
Q3 2025
Shares 348,007 Value ($000) $491 Avg Close $1.45 Range $0.95 - $2.18
Q2 2025
Shares 465,999 Value ($000) $913 Avg Close $1.48 Range $1.02 - $2.15
Q1 2025
Shares 88,495 Value ($000) $106 Avg Close $1.92 Range $1.12 - $5.77
Q4 2024
Shares 111,871 Value ($000) $302 Avg Close $1.17 Range $0.61 - $4.14
Q3 2024
Shares 98,685 Value ($000) $87 Avg Close $0.97 Range $0.79 - $1.26
Q2 2024
Shares 62,410 Value ($000) $66 Avg Close $1.60 Range $0.73 - $1.99
Q1 2024
Shares 56,802 Value ($000) $112 Avg Close $1.75 Range $1.38 - $2.43
Q4 2023
Shares 189,822 Value ($000) $382 Avg Close $1.52 Range $1.12 - $2.31
Q3 2023
Shares 142,481 Value ($000) $237 Avg Close $2.41 Range $1.57 - $3.90
Q2 2023
Shares 125,243 Value ($000) $224 Avg Close $1.57 Range $1.36 - $1.94
Q1 2023
Shares 125,319 Value ($000) $221 Avg Close $1.97 Range $1.54 - $2.63
Q4 2022
Shares 111,901 Value ($000) $205 Avg Close $2.58 Range $1.72 - $3.61
Q3 2022
Shares 13,039 Value ($000) $35 Avg Close $3.20 Range $2.31 - $4.43
Q2 2022
Shares 186,529 Value ($000) $433 Avg Close $3.83 Range $2.22 - $4.97
Q1 2022
Shares 49,192 Value ($000) $230 Avg Close $4.87 Range $3.72 - $8.30
Q4 2021
Shares 25,545 Value ($000) $201 Avg Close $7.53 Range $5.33 - $9.10
Q3 2021
Shares 15,048 Value ($000) $126 Avg Close $9.85 Range $7.43 - $14.17
Q2 2021
Shares 1,110 Value ($000) $14 Avg Close $10.48 Range $7.85 - $13.23