QUANTUM SI INC

Ticker: QSI CUSIP: 74765K105 Class: Common Stock

China Universal Asset Management Co., Ltd.'s Holding History (CIK: 0001906594)

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

Q4 2025

Shares 31,865 Value ($000) $35 Avg Close $1.63 Range $1.07 - $3.10

Q3 2023

Shares 3,127 Value ($000) $5 Avg Close $2.41 Range $1.57 - $3.90

Q2 2023

Shares 1,593 Value ($000) $3 Avg Close $1.57 Range $1.36 - $1.94

Q1 2023

Shares 1,624 Value ($000) $3 Avg Close $1.97 Range $1.54 - $2.63

Q4 2022

Shares 1,218 Value ($000) $2 Avg Close $2.58 Range $1.72 - $3.61

Q3 2022

Shares 1,119 Value ($000) $3 Avg Close $3.20 Range $2.31 - $4.43

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	31,865	$35	$1.63	$1.07 - $3.10
Q3 2023	3,127	$5	$2.41	$1.57 - $3.90
Q2 2023	1,593	$3	$1.57	$1.36 - $1.94
Q1 2023	1,624	$3	$1.97	$1.54 - $2.63
Q4 2022	1,218	$2	$2.58	$1.72 - $3.61
Q3 2022	1,119	$3	$3.20	$2.31 - $4.43