Shares outstanding · 2011–2025
Quantum shares outstanding
14.6M+150.9% · FY2025
Quantum (QMCO) reported 14.6M in shares outstanding for fiscal 2025, +150.9% year on year.
| Fiscal year | Shares outstanding | Change | Filing |
|---|---|---|---|
| FY20252026-02-12 | 14.6M | +150.9% | Open → |
| FY20242025-02-11 | 5.8M | −93.9% | Open → |
| FY20232023-12-31 | 95.9M | −8.9% | Open → |
| FY20222023-01-30 | 105M | +75.0% | Open → |
| FY20212022-02-04 | 60.1M | +44.7% | Open → |
| FY20202021-01-25 | 41.6M | +4.3% | Open → |
| FY20192020-01-27 | 39.9M | +12.1% | Open → |
| FY20182018-12-31 | 35.6M | +1.4% | Open → |
| FY20172017-12-31 | 35.1M | −87.1% | Open → |
| FY20162017-01-27 | 271M | +2.7% | Open → |
| FY20152016-01-29 | 264M | +3.1% | Open → |
| FY20142015-01-31 | 256M | +3.1% | Open → |
| FY20132014-01-31 | 249M | +3.2% | Open → |
| FY20122013-02-01 | 241M | +2.8% | Open → |
| FY20112012-02-03 | 234M | — | Open → |
Shares outstanding — Shares outstanding is the number of shares in issue at the reporting date. A falling count usually means the company is buying back stock; a rising one means it is issuing.
Every row links to its own SEC filing · Fiscal year 2025 · Data as of September 25, 2026 · 2011–2025 compound annual growth −18.0%
Shares outstanding at companies of similar size
Cite this page
Ready-made references for the figures on this page, as published on September 25, 2026.
Wikipedia
{{cite web |title=Quantum shares outstanding |url=https://companiesranked.com/en/company/quantum/shares-outstanding |website=CompaniesRanked |date=2026-09-25 |language=en}}APA 7
CompaniesRanked. (September 25, 2026). Quantum shares outstanding. CompaniesRanked. https://companiesranked.com/en/company/quantum/shares-outstandingBibTeX
@misc{companiesranked-en-company-quantum-shares-outstanding-2026,
author = {{CompaniesRanked}},
title = {{Quantum shares outstanding}},
year = {2026},
howpublished = {\url{https://companiesranked.com/en/company/quantum/shares-outstanding}},
note = {Compiled from SEC EDGAR XBRL filings; data as of 2026-09-25},
urldate = {2026-09-25}
}The filing itself
The numbers above are read from this document: 10-Q · 0001628280-26-008558 · February 17, 2026
{{cite web |title=Quantum shares outstanding — 10-Q (0001628280-26-008558) |url=https://www.sec.gov/Archives/edgar/data/709283/000162828026008558/qtm-20251231.htm |website=SEC EDGAR |publisher=U.S. Securities and Exchange Commission |date=2026-02-17}}The figures are rebuilt with every data refresh, so the reference carries the publication date. Add your own access date if your style requires one.