QUANTUM COMPUTING INC

Ticker: QUBT CUSIP: 74766W108 Class: Common Stock

HighTower Advisors, LLC's Holding History (CIK: 0001462245)

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

Q4 2025

Shares 25,603 Value ($000) $263 Avg Close $14.23 Range $9.50 - $25.84

Q3 2025

Shares 19,842 Value ($000) $365 Avg Close $17.16 Range $13.72 - $23.98

Q2 2025

Shares 10,415 Value ($000) $200 Avg Close $11.02 Range $5.76 - $21.73

Q4 2024

Shares 19,356 Value ($000) $320 Avg Close $5.49 Range $0.64 - $27.15

Q2 2024

Shares 11,581 Value ($000) $6 Avg Close $0.75 Range $0.50 - $1.03

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	25,603	$263	$14.23	$9.50 - $25.84
Q3 2025	19,842	$365	$17.16	$13.72 - $23.98
Q2 2025	10,415	$200	$11.02	$5.76 - $21.73
Q4 2024	19,356	$320	$5.49	$0.64 - $27.15
Q2 2024	11,581	$6	$0.75	$0.50 - $1.03