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Companies · QMCO · Computer Storage Devices

QUANTUM CORP /DE/ (QMCO)

QUANTUM CORP /DE/ (QMCO) stock — the fundamentals (P/E, market cap, valuation) and every material event, decoded in plain English.

QUANTUM CORP /DE/ (QMCO) stock — financials & valuation

Key numbers for QUANTUM CORP /DE/ (QMCO): P/E ratio, market cap, profit margins, returns, and whether the stock looks cheap or expensive versus its own 5-year range.

AllSight quality score: 40/100 — a percentile rank of QUANTUM CORP /DE/’s fundamentals against Manufacturing peers, weakest on growth. A quality ranking, not a price prediction.

Market cap$1.3B
P / S4.2×
EV / EBITDA282.2×
Gross margin37.8%
Operating margin-2.3%
Net margin-80.8%
Return on equity859.4%
ROIC8.4%
Revenue growth11.3%
Debt / equity-0.0×
Dividend yield0.0%

Is QUANTUM CORP /DE/ overvalued? P/S looks overvalued vs its 5-year range.

Independent of the events above — derived from QUANTUM CORP /DE/’s own financial statements and shown as context, never as advice.

Sep 28, 2026COO appointment
Quantum names Dell storage veteran COO as execution becomes the next test
Sep 1, 2026CAO appointed
Quantum names new accounting chief as expected; 50,000 RSUs sweeten hire
Aug 14, 2026CAO transition
Quantum’s accounting chief is leaving—but not before a costly handoff
Aug 10, 2026
Revenue and EBITDA crush guidance; debt disappears, but dilution reshapes the win.
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