QUANTUM SI INC

Ticker: QSI CUSIP: 74765K105 Class: Common Stock

IQ EQ FUND MANAGEMENT (IRELAND) Ltd's Holding History (CIK: 0001620943)

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

Q4 2025

Shares 253,895 Value ($000) $279 Avg Close $1.63 Range $1.07 - $3.10

Q3 2025

Shares 189,174 Value ($000) $267 Avg Close $1.45 Range $0.95 - $2.18

Q2 2025

Shares 116,828 Value ($000) $229 Avg Close $1.48 Range $1.02 - $2.15

Q1 2025

Shares 69,944 Value ($000) $84 Avg Close $1.92 Range $1.12 - $5.77

Q4 2024

Shares 33,902 Value ($000) $92 Avg Close $1.17 Range $0.61 - $4.14

Q3 2024

Shares 26,198 Value ($000) $23 Avg Close $0.97 Range $0.79 - $1.26

Q2 2024

Shares 21,556 Value ($000) $23 Avg Close $1.60 Range $0.73 - $1.99

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	253,895	$279	$1.63	$1.07 - $3.10
Q3 2025	189,174	$267	$1.45	$0.95 - $2.18
Q2 2025	116,828	$229	$1.48	$1.02 - $2.15
Q1 2025	69,944	$84	$1.92	$1.12 - $5.77
Q4 2024	33,902	$92	$1.17	$0.61 - $4.14
Q3 2024	26,198	$23	$0.97	$0.79 - $1.26
Q2 2024	21,556	$23	$1.60	$0.73 - $1.99