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Quantum Corporation (QMCO)

Quantum Corporation at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.

Quantum Corporation (QMCO) is a Computer Hardware company based in US with a market capitalization of $61.3M. Revenue declined 12.1% year-over-year and free cash flow was negative at -$28.6M. This page tracks QMCO's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

US · 770 employees · IPO Aug 2, 1999

Valuation

Valuation & price

$9.05 · as of May 23, 2026 · -43.3% vs 52w high

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P/E ratio

Latest-FY diluted EPS

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P/B ratio

Market cap ÷ book equity

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Dividend yield

Price — last 12 months

$15.95$10.13$4.31Jul 25Dec 25Jun 26Jul 7, 25$8.91Jul 9, 25$8.87Jul 11, 25$8.65Jul 15, 25$8.61Jul 17, 25$9.38Jul 21, 25$9.02Jul 23, 25$9.15Jul 25, 25$8.88Jul 29, 25$7.88Jul 31, 25$8.01Aug 4, 25$8.08Aug 6, 25$7.91Aug 8, 25$7.80Aug 12, 25$7.43Aug 14, 25$7.87Aug 18, 25$7.44Aug 20, 25$6.77Aug 22, 25$7.75Aug 26, 25$7.94Aug 28, 25$7.63Sep 3, 25$7.21Sep 5, 25$7.42Sep 9, 25$7.99Sep 11, 25$7.12Sep 15, 25$7.88Sep 17, 25$8.35Sep 19, 25$11.88Sep 23, 25$10.69Sep 25, 25$9.62Sep 29, 25$9.80Oct 1, 25$10.89Oct 3, 25$11.76Oct 7, 25$13.35Oct 9, 25$12.54Oct 13, 25$11.80Oct 15, 25$12.44Oct 17, 25$10.29Oct 21, 25$9.91Oct 23, 25$10.25Oct 27, 25$10.14Oct 30, 25$9.40Nov 3, 25$9.39Nov 5, 25$8.20Nov 7, 25$8.18Nov 11, 25$7.88Nov 13, 25$7.03Nov 17, 25$7.39Nov 19, 25$7.64Nov 21, 25$6.98Nov 25, 25$6.95Nov 28, 25$7.85Dec 2, 25$7.72Dec 4, 25$8.74Dec 8, 25$9.10Dec 10, 25$9.49Dec 12, 25$9.03Dec 16, 25$7.96Dec 18, 25$7.25Dec 22, 25$7.43Dec 24, 25$7.37Dec 29, 25$6.78Jan 2, 26$7.00Jan 6, 26$7.99Jan 8, 26$7.73Jan 12, 26$7.51Jan 14, 26$7.49Jan 16, 26$7.89Jan 21, 26$7.19Jan 23, 26$7.02Jan 27, 26$6.98Jan 29, 26$6.54Feb 2, 26$6.26Feb 4, 26$5.81Feb 6, 26$5.89Feb 10, 26$6.16Feb 12, 26$5.79Feb 17, 26$5.61Feb 19, 26$5.56Feb 23, 26$5.25Feb 25, 26$5.45Mar 2, 26$5.30Mar 4, 26$4.81Mar 6, 26$5.13Mar 10, 26$5.52Mar 12, 26$5.44Mar 16, 26$5.54Mar 18, 26$5.30Mar 20, 26$4.97Mar 24, 26$5.11Mar 26, 26$5.22Mar 30, 26$4.31Apr 1, 26$5.03Apr 6, 26$6.15Apr 8, 26$6.08Apr 10, 26$6.04Apr 14, 26$6.91Apr 16, 26$7.07Apr 20, 26$7.20Apr 22, 26$7.18Apr 24, 26$7.17Apr 28, 26$6.72May 1, 26$7.52May 5, 26$8.27May 7, 26$9.13May 11, 26$9.78May 13, 26$8.81May 15, 26$8.35May 19, 26$7.71May 21, 26$9.41May 26, 26$8.73May 28, 26$9.32Jun 1, 26$10.49Jun 3, 26$15.95Jun 5, 26$12.70Jun 9, 26$13.05Jun 11, 26$13.06Jun 15, 26$13.97Jun 17, 26$14.95Jun 22, 26$14.04Jun 26, 26$11.65
$4.3152-week range$15.95
Loading valuation history…

Fundamentals

Key fundamentals

$61.3M

Market cap

-12.1%

Revenue growth (YoY)

40.1%

Gross margin

-$28.6M

Free cash flow (USD)

$116.4M

Net debt

8.3%

Share dilution

0/3

Graham criteria passed

Defensive-investor screen

Technology

Sector

Trajectory

Long-term trends

Revenue by year

2016 → 2025

FY 2016$476.0MFY 2017$493.1MFY 2018$437.7MFY 2019$402.7MFY 2020$402.9MFY 2021$349.6MFY 2022$383.4MFY 2023$422.1MFY 2024$311.6MFY 2025$274.1M
$476M$274.1M

Free cash flow by year

2016 → 2025

FY 2016$-15.2MFY 2017$6.3MFY 2018$-7.6MFY 2019$-19.6MFY 2020$-3.8MFY 2021$-7.7MFY 2022$-40.0MFY 2023$-17.5MFY 2024$-16.0MFY 2025$-28.6M
-$15.2M-$28.6M

Gross margin by year

2021 → 2025

FY 202143.1%FY 202241.1%FY 202333.9%FY 202440.1%FY 202540.1%
43.1%40.1%

Value screen

Graham defensive-investor tests

Computing the scorecard — refreshing any stale inputs…

0

Insider buys · 90 days

0

Insider sells · 90 days

Earnings

Last reported: Jun 15, 2026 (EPS $-0.21)

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • Annual report10-K FiledJun 25, 2026Filing
  • 8-K eventEarnings ReleaseJun 25, 2026Filing
  • 8-K eventTermination of Credit AgreementJun 5, 2026Filing
  • 8-K eventDebt RefinancingJun 2, 2026Filing
  • Insider sellInsider Sell $593Nash Laura A. · Chief Accounting Officer · $593Apr 3, 2026Filing

Questions

Frequently asked questions

What is Quantum Corporation's market cap?

Quantum Corporation (QMCO) has a market capitalization of $61.3M.

What is QMCO's P/E ratio?

A meaningful P/E ratio is not available for QMCO — the company's latest fiscal-year earnings per share is zero, negative, or not yet cached.

When did Quantum Corporation last report earnings?

QMCO last reported earnings on June 15, 2026; the next date is not yet scheduled.

Are insiders buying QMCO stock?

SEC Form 4 filings show no open-market insider buys at Quantum Corporation in the last 90 days (0 sells).

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Timeline

Every filing, insider trade & earnings on a price-anchored timeline

Filing Analyzer

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News

Latest press coverage in one feed

Data: SEC EDGAR filings and cached fundamental data; prices and ratios use the most recent cached quote and statements (may lag by up to a day). Educational and research purposes only. Not investment advice.