QUANTUM CORP

Ticker: QMCO CUSIP: 747906600 Class: Stock

UBS Group AG's Holding History (CIK: 0001610520)

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

Q4 2025

Shares 165,838 Value ($000) $1,070 Avg Close $8.97 Range $6.22 - $15.33

Q3 2025

Shares 162,605 Value ($000) $1,613 Avg Close $8.41 Range $6.51 - $12.83

Q2 2025

Shares 60,221 Value ($000) $600 Avg Close $11.05 Range $7.25 - $15.30

Q1 2025

Shares 21,986 Value ($000) $316 Avg Close $21.79 Range $10.11 - $60.88

Q4 2024

Shares 11,665 Value ($000) $629 Avg Close $14.51 Range $2.88 - $90.64

Q3 2024

Shares 689 Value ($000) $2 Avg Close $5.65 Range $2.22 - $10.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	165,838	$1,070	$8.97	$6.22 - $15.33
Q3 2025	162,605	$1,613	$8.41	$6.51 - $12.83
Q2 2025	60,221	$600	$11.05	$7.25 - $15.30
Q1 2025	21,986	$316	$21.79	$10.11 - $60.88
Q4 2024	11,665	$629	$14.51	$2.88 - $90.64
Q3 2024	689	$2	$5.65	$2.22 - $10.00