QUANTUM COMPUTING INC

Ticker: QUBT CUSIP: 74766W108 Class: Common Stock

XTX Topco Ltd's Holding History (CIK: 0001828301)

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

Q4 2025

Shares 35,706 Value ($000) $366 Avg Close $14.23 Range $9.50 - $25.84

Q2 2025

Shares 62,990 Value ($000) $1,208 Avg Close $11.02 Range $5.76 - $21.73

Q3 2024

Shares 69,999 Value ($000) $46 Avg Close $0.64 Range $0.35 - $0.82

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	35,706	$366	$14.23	$9.50 - $25.84
Q2 2025	62,990	$1,208	$11.02	$5.76 - $21.73
Q3 2024	69,999	$46	$0.64	$0.35 - $0.82