QUANTUM COMPUTING INC

Ticker: QUBT CUSIP: 74766W108 Class: Common Stock

STIFEL FINANCIAL CORP's Holding History (CIK: 0000720672)

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

Q4 2025

Shares 45,998 Value ($000) $472 Avg Close $14.23 Range $9.50 - $25.84

Q3 2025

Shares 29,724 Value ($000) $547 Avg Close $17.16 Range $13.72 - $23.98

Q2 2025

Shares 11,413 Value ($000) $219 Avg Close $11.02 Range $5.76 - $21.73

Q4 2024

Shares 41,006 Value ($000) $679 Avg Close $5.49 Range $0.64 - $27.15

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	45,998	$472	$14.23	$9.50 - $25.84
Q3 2025	29,724	$547	$17.16	$13.72 - $23.98
Q2 2025	11,413	$219	$11.02	$5.76 - $21.73
Q4 2024	41,006	$679	$5.49	$0.64 - $27.15