QUANTUM SI INC

Ticker: QSI CUSIP: 74765K105 Class: Common Stock

Walleye Capital LLC's Holding History (CIK: 0001758720)

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

Q4 2025

Shares 58 Value ($000) $0 Avg Close $1.63 Range $1.07 - $3.10

Q2 2024

Shares 11,698 Value ($000) $12 Avg Close $1.60 Range $0.73 - $1.99

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	58	$0	$1.63	$1.07 - $3.10
Q2 2024	11,698	$12	$1.60	$0.73 - $1.99