QUANTUM SI INC

Ticker: QSI CUSIP: 74765K105 Class: Common Stock

STATE OF WISCONSIN INVESTMENT BOARD's Holding History (CIK: 0000854157)

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

Q4 2024

Shares 36,330 Value ($000) $98 Avg Close $1.17 Range $0.61 - $4.14

Q4 2022

Shares 10,434 Value ($000) $19 Avg Close $2.58 Range $1.72 - $3.61

Q3 2022

Shares 15,541 Value ($000) $43 Avg Close $3.20 Range $2.31 - $4.43

Q2 2022

Shares 19,836 Value ($000) $46 Avg Close $3.83 Range $2.22 - $4.97

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2024	36,330	$98	$1.17	$0.61 - $4.14
Q4 2022	10,434	$19	$2.58	$1.72 - $3.61
Q3 2022	15,541	$43	$3.20	$2.31 - $4.43
Q2 2022	19,836	$46	$3.83	$2.22 - $4.97