TickerFacts.

Aon plc (AON): Shares Outstanding

Annual figures by period end, from SEC filings.

Older than the company's other figures. The latest Shares Outstanding is for the year ended 2015-12-31, while the company's latest annual report covers the year ended 2025-12-31. Its later filings do not report this line under the concept TickerFacts maps.

269.80M
As of 2015-12-31
-4.6%
3-year compound annual growth
-4.1%
5-year compound annual growth
332.30M2009-03-31: 276.80M2009-06-30: 274.50M2009-09-30: 273.90M2009-12-31: 266.20M2010-03-31: 269.40M2010-06-30: 269.70M2010-09-30: 270.90M2010-12-31: 332.30M2011-03-31: 330.50M2011-06-30: 326.70M2011-09-30: 323.30M2011-12-31: 324.40M2012-03-31: 326.40M2012-06-30: 322.40M2012-09-30: 318.70M2012-12-31: 310.90M2013-03-31: 309.10M2013-06-30: 307.50M2013-09-30: 301.00M2013-12-31: 300.70M2014-03-31: 296.50M2014-06-30: 290.50M2014-09-30: 285.10M2014-12-31: 280.00M2015-03-31: 281.70M2015-06-30: 279.80M2015-09-30: 273.90M2015-12-31: 269.80M269.80M
2009-03-31 Shares Outstanding (shares) 2015-12-31
Period endedShares OutstandingChange YoYSource filing
2015-12-31269.80Mn/a2016-02-22, Balance as of period end
2015-09-30273.90Mn/a2016-02-22, Balance as of period end
2015-06-30279.80Mn/a2016-02-22, Balance as of period end
2015-03-31281.70Mn/a2016-02-22, Balance as of period end
2014-12-31280.00Mn/a2016-02-22, Balance as of period end
2014-09-30285.10Mn/a2016-02-22, Balance as of period end
2014-06-30290.50Mn/a2016-02-22, Balance as of period end
2014-03-31296.50Mn/a2016-02-22, Balance as of period end
2013-12-31300.70Mn/a2015-02-24, Balance as of period end
2013-09-30301.00Mn/a2015-02-24, Balance as of period end
2013-06-30307.50Mn/a2015-02-24, Balance as of period end
2013-03-31309.10Mn/a2015-02-24, Balance as of period end
2012-12-31310.90Mn/a2014-02-18, Balance as of period end
2012-09-30318.70Mn/a2014-02-18, Balance as of period end
2012-06-30322.40Mn/a2014-02-18, Balance as of period end
2012-03-31326.40Mn/a2014-02-18, Balance as of period end
2011-12-31324.40Mn/a2013-02-22, Balance as of period end
2011-09-30323.30Mn/a2013-02-22, Balance as of period end
2011-06-30326.70Mn/a2013-02-22, Balance as of period end
2011-03-31330.50Mn/a2013-02-22, Balance as of period end
2010-12-31332.30Mn/a2012-02-24, Balance as of period end
2010-09-30270.90Mn/a2012-02-24, Balance as of period end
2010-06-30269.70Mn/a2012-02-24, Balance as of period end
2010-03-31269.40Mn/a2012-02-24, Balance as of period end
2009-12-31266.20Mn/a2011-02-25, Balance as of period end
2009-09-30273.90Mn/a2011-02-25, Balance as of period end
2009-06-30274.50Mn/a2011-02-25, Balance as of period end
2009-03-31276.80Mn/a2011-02-25, Balance as of period end