QUANTUM SI INC

Ticker: QSI CUSIP: 74765K105 Class: Common Stock

Engineers Gate Manager LP's Holding History (CIK: 0001620220)

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

Q3 2025

Shares 41,451 Value ($000) $58 Avg Close $1.45 Range $0.95 - $2.18

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	41,451	$58	$1.45	$0.95 - $2.18