QUANTUM CORP

Ticker: QMCO CUSIP: 747906600 Class: Stock

MORGAN STANLEY's Holding History (CIK: 0000895421)

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

Q4 2025

Shares 4,313 Value ($000) $28 Avg Close $8.97 Range $6.22 - $15.33

Q3 2025

Shares 3,356 Value ($000) $33 Avg Close $8.41 Range $6.51 - $12.83

Q2 2025

Shares 45,733 Value ($000) $456 Avg Close $11.05 Range $7.25 - $15.30

Q1 2025

Shares 2,214 Value ($000) $32 Avg Close $21.79 Range $10.11 - $60.88

Q4 2024

Shares 4,335 Value ($000) $234 Avg Close $14.51 Range $2.88 - $90.64

Q3 2024

Shares 601 Value ($000) $2 Avg Close $5.65 Range $2.22 - $10.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	4,313	$28	$8.97	$6.22 - $15.33
Q3 2025	3,356	$33	$8.41	$6.51 - $12.83
Q2 2025	45,733	$456	$11.05	$7.25 - $15.30
Q1 2025	2,214	$32	$21.79	$10.11 - $60.88
Q4 2024	4,335	$234	$14.51	$2.88 - $90.64
Q3 2024	601	$2	$5.65	$2.22 - $10.00