Shares outstanding · 2011–2025

Aon shares outstanding

214M−0.8% · FY2025

Aon (AON) reported 214M in shares outstanding for fiscal 2025, −0.8% year on year.

325M2011312M2012301M2013280M2014270M2015232M2019216M2024214M2025
Aon — Shares outstanding, 2011–2025
Fiscal yearShares outstandingChangeFiling
FY20252026-02-12214M−0.8%Open →
FY20242025-02-14216M−6.7%Open →
FY20192020-02-13232M−14.3%Open →
FY20152016-02-05270M−3.6%Open →
FY20142015-01-31280M−6.9%Open →
FY20132014-01-31301M−3.4%Open →
FY20122013-01-31312M−4.2%Open →
FY20112012-01-31325M—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 −2.9%

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=Aon shares outstanding |url=https://companiesranked.com/en/company/aon/shares-outstanding |website=CompaniesRanked |date=2026-09-25 |language=en}}

APA 7

CompaniesRanked. (September 25, 2026). Aon shares outstanding. CompaniesRanked. https://companiesranked.com/en/company/aon/shares-outstanding

BibTeX

@misc{companiesranked-en-company-aon-shares-outstanding-2026,
  author       = {{CompaniesRanked}},
  title        = {{Aon shares outstanding}},
  year         = {2026},
  howpublished = {\url{https://companiesranked.com/en/company/aon/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-K · 0001628280-26-008116 · February 13, 2026

{{cite web |title=Aon shares outstanding — 10-K (0001628280-26-008116) |url=https://www.sec.gov/Archives/edgar/data/315293/000162828026008116/aon-20251231.htm |website=SEC EDGAR |publisher=U.S. Securities and Exchange Commission |date=2026-02-13}}

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.

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