Quantum Corp /De/

QMCO chart

Quantum Corp /De/ news

• Quantum Corporation (QMCO) stock price, news, quote and history

  Yahoo Finance Singapore · Oct 27, 8:38 AM EDT

• Can Quantum Corporation Sustain Cash Flow Amid Supply Shortages?

  Yahoo Finance · Oct 27, 7:55 AM EDT

• Researchers Link Repeated Updates To Consistent Quantum Beliefs

  Quantum Zeitgeist · Oct 25, 7:45 AM EDT

• Norwegian downgraded, Skydance upgraded: Wall Street's top analyst calls

  Yahoo Finance · Oct 23, 9:57 AM EDT

• Western Digital (WDC) Q1 Earnings and Revenues Beat Estimates

  Yahoo Finance · Oct 22, 4:25 PM EDT

• Quantum Builds ActiveScale Momentum: Can It Sustain Growth?

  Yahoo Finance · Oct 13, 9:00 AM EDT

• 3 Stocks For The US Post Quantum Cybersecurity Upgrade Cycle

  Yahoo Finance · Oct 10, 7:14 AM EDT

• Quantum (QMCO) Shares Climbed, What Is Behind The Fresh Attention?

  Yahoo Finance · Oct 10, 3:11 AM EDT

• Should Investors Still Buy QMCO Stock After a 3-Month Rally of 191%?

  Yahoo Finance · Oct 9, 8:06 AM EDT

• Quantum Corp. (QMCO) is a Great Momentum Stock: Should You Buy?

  Yahoo Finance · Oct 7, 11:00 AM EDT

• QMCO Stock Alert: What to Know as Quantum Nabs Former Dell Executive for COO Role

  barchart.com · Sep 30, 12:04 PM EDT

• Quantum Appoints James C. Clancy as Chief Operating Officer

  Yahoo Finance · Sep 28, 8:08 AM EDT

Quantum Corp /De/ key financials

Calendar-year figures as reported to the SEC in XBRL filings.

Recent SEC filings

• 8-K8-K2026-10-09
• 8-K8-K2026-09-28
• 8-K8-K2026-09-17
• 8-K8-K2026-09-01
• 8-K8-K2026-08-14
• 10-Q10-Q2026-08-11
• 8-K8-K2026-08-10
• DEF 14ADEF 14A2026-07-29
• S-1S-12026-07-14
• 10-K10-K2026-06-25
• 8-K8-K2026-06-25
• 8-K8-K2026-06-05

About Quantum Corp /De/

Ticker

QMCO (Nasdaq)

Industry

Computer Storage Devices

Headquarters

Centennial, CO

Incorporated in

DE

Fiscal year end

March 31

SEC CIK

709283

Frequently asked questions