QUANTUM SI INC

Ticker: QSI CUSIP: 74765K105 Class: Common Stock

Zurcher Kantonalbank (Zurich Cantonalbank)'s Holding History (CIK: 0001368163)

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

Q4 2022

Shares 27,756 Value ($000) $51 Avg Close $2.58 Range $1.72 - $3.61

Q3 2022

Shares 24,417 Value ($000) $67 Avg Close $3.20 Range $2.31 - $4.43

Q2 2022

Shares 24,417 Value ($000) $57 Avg Close $3.83 Range $2.22 - $4.97

Q4 2021

Shares 23,634 Value ($000) $186 Avg Close $7.53 Range $5.33 - $9.10

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2022	27,756	$51	$2.58	$1.72 - $3.61
Q3 2022	24,417	$67	$3.20	$2.31 - $4.43
Q2 2022	24,417	$57	$3.83	$2.22 - $4.97
Q4 2021	23,634	$186	$7.53	$5.33 - $9.10