QUANTUM COMPUTING INC

Ticker: QUBT CUSIP: 74766W108 Class: Common Stock

Main Street Group, LTD's Holding History (CIK: 0001965796)

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

Q3 2025
Shares 42 Value ($000) $1 Avg Close $17.16 Range $13.72 - $23.98
Q2 2025
Shares 42 Value ($000) $1 Avg Close $11.02 Range $5.76 - $21.73
Q1 2025
Shares 26 Value ($000) $0 Avg Close $8.80 Range $4.37 - $20.36
Q4 2024
Shares 26 Value ($000) $0 Avg Close $5.49 Range $0.64 - $27.15
Q3 2024
Shares 26 Value ($000) $0 Avg Close $0.64 Range $0.35 - $0.82
Q2 2024
Shares 26 Value ($000) $0 Avg Close $0.75 Range $0.50 - $1.03
Q1 2024
Shares 26 Value ($000) $0 Avg Close $0.90 Range $0.71 - $1.32