Quantum vs Western Digital: revenue, profit, margins and growth compared
Quantum brought in $279.6M of revenue in fiscal 2026, Western Digital $12.9B in fiscal 2026. Revenue changed by +2.0% at Quantum and +35.7% at Western Digital on the year before, so Western Digital grew faster. Quantum kept -36.1% of its revenue as net profit, Western Digital 72.9%. Free cash flow was -$39.6M at Quantum and $3.5B at Western Digital.
Fiscal years as each company reports them; the two may end in different months.
Questions about Quantum and Western Digital
Which is bigger by revenue, Quantum or Western Digital?
Western Digital is bigger by revenue: $12.9B in fiscal 2026, against $279.6M for Quantum in fiscal 2026.
Which keeps more of its revenue as profit, Quantum or Western Digital?
Quantum had a net margin of -36.1% in fiscal 2026; Western Digital had 72.9% in fiscal 2026.
Which grew revenue faster, Quantum or Western Digital?
In their latest fiscal years revenue changed by +2.0% at Quantum and +35.7% at Western Digital.
Where do these numbers come from?
From the annual reports each company files with the SEC (10-K, or 20-F and 40-F for foreign companies), read from their XBRL data. Margins and growth are simple arithmetic on those figures. Nothing here is a recommendation.