QUANTUM COMPUTING INC

Ticker: QUBT CUSIP: 74766W108 Class: Common Stock

SBI Securities Co., Ltd.'s Holding History (CIK: 0001851815)

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

Q4 2025

Shares 157,357 Value ($000) $1,614 Avg Close $14.23 Range $9.50 - $25.84

Q3 2025

Shares 128,035 Value ($000) $2,357 Avg Close $17.16 Range $13.72 - $23.98

Q2 2025

Shares 128,936 Value ($000) $2,472 Avg Close $11.02 Range $5.76 - $21.73

Q1 2025

Shares 118,276 Value ($000) $946 Avg Close $8.80 Range $4.37 - $20.36

Q4 2024

Shares 96,798 Value ($000) $1,602 Avg Close $5.49 Range $0.64 - $27.15

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	157,357	$1,614	$14.23	$9.50 - $25.84
Q3 2025	128,035	$2,357	$17.16	$13.72 - $23.98
Q2 2025	128,936	$2,472	$11.02	$5.76 - $21.73
Q1 2025	118,276	$946	$8.80	$4.37 - $20.36
Q4 2024	96,798	$1,602	$5.49	$0.64 - $27.15