QUANTUM SI INC

Ticker: QSI CUSIP: 74765K105 Class: Common Stock

MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.'s Holding History (CIK: 0001705339)

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

Q4 2025
Shares 72,970 Value ($000) $80 Avg Close $1.63 Range $1.07 - $3.10
Q3 2025
Shares 72,976 Value ($000) $103 Avg Close $1.45 Range $0.95 - $2.18
Q2 2025
Shares 77,215 Value ($000) $151 Avg Close $1.48 Range $1.02 - $2.15
Q1 2025
Shares 70,552 Value ($000) $85 Avg Close $1.92 Range $1.12 - $5.77
Q4 2024
Shares 57,006 Value ($000) $154 Avg Close $1.17 Range $0.61 - $4.14
Q3 2024
Shares 57,575 Value ($000) $51 Avg Close $0.97 Range $0.79 - $1.26
Q2 2024
Shares 52,064 Value ($000) $55 Avg Close $1.60 Range $0.73 - $1.99