QUANTUM SI INC

Ticker: QSI CUSIP: 74765K105 Class: Common Stock

Quadrature Capital Ltd's Holding History (CIK: 0001651424)

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

Q4 2025

Shares 276,889 Value ($000) $305 Avg Close $1.63 Range $1.07 - $3.10

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	276,889	$305	$1.63	$1.07 - $3.10