QUANTUM SI INC

Ticker: QSI CUSIP: 74765K105 Class: Common Stock

INTECH INVESTMENT MANAGEMENT LLC's Holding History (CIK: 0001086318)

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

Q4 2025

Shares 65,636 Value ($000) $72 Avg Close $1.63 Range $1.07 - $3.10

Q3 2025

Shares 74,761 Value ($000) $105 Avg Close $1.45 Range $0.95 - $2.18

Q2 2025

Shares 88,497 Value ($000) $173 Avg Close $1.48 Range $1.02 - $2.15

Q1 2025

Shares 61,365 Value ($000) $74 Avg Close $1.92 Range $1.12 - $5.77

Q4 2024

Shares 50,837 Value ($000) $137 Avg Close $1.17 Range $0.61 - $4.14

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	65,636	$72	$1.63	$1.07 - $3.10
Q3 2025	74,761	$105	$1.45	$0.95 - $2.18
Q2 2025	88,497	$173	$1.48	$1.02 - $2.15
Q1 2025	61,365	$74	$1.92	$1.12 - $5.77
Q4 2024	50,837	$137	$1.17	$0.61 - $4.14