QUANTUM COMPUTING INC

Ticker: QUBT CUSIP: 74766W108 Class: Common Stock

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q2 2025

Shares 20,931 Value ($000) $401 Avg Close $11.02 Range $5.76 - $21.73

Q1 2023

Shares 23,300 Value ($000) $31 Avg Close $1.58 Range $1.15 - $3.49

Q4 2022

Shares 23,300 Value ($000) $35 Avg Close $2.03 Range $1.43 - $2.67

Q3 2022

Shares 39,266 Value ($000) $99 Avg Close $3.01 Range $2.11 - $4.30

Q2 2022

Shares 62,415 Value ($000) $149 Avg Close $2.14 Range $1.42 - $4.40

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	20,931	$401	$11.02	$5.76 - $21.73
Q1 2023	23,300	$31	$1.58	$1.15 - $3.49
Q4 2022	23,300	$35	$2.03	$1.43 - $2.67
Q3 2022	39,266	$99	$3.01	$2.11 - $4.30
Q2 2022	62,415	$149	$2.14	$1.42 - $4.40