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Aon plc (AON) Basic Shares Outstanding (Weighted Average)

Aon plc Basic Shares Outstanding (Weighted Average)

Aon plc (AON) reported Basic Shares Outstanding (Weighted Average) of 213.20 million shares for the 3-month period ending 2026-06-30, per its 10-Q filed 2026-07-29.

Financial Statements › Income Statement › Earnings Per Share

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic · last filed 2026-07-29

  • Aon plc weighted average number of shares outstanding, basic for the quarter ending 2026-06-30 was 213.20M shares, a 1.39% decline year-over-year.
  • Aon plc weighted average number of shares outstanding, basic for the quarter ending 2026-03-31 was 214.30M shares, a 0.97% decline year-over-year.
  • Aon plc weighted average number of shares outstanding, basic for the quarter ending 2025-12-31 was 215.30M shares, a 0.55% decline year-over-year.
  • Aon plc weighted average number of shares outstanding, basic for the quarter ending 2025-09-30 was 215.70M shares, a 0.78% decline year-over-year.
  • Aon plc weighted average number of shares outstanding, basic for fiscal 2025 was 215.90M shares, a 2.13% increase from fiscal 2024.
  • Aon plc weighted average number of shares outstanding, basic for fiscal 2024 was 211.40M shares, a 3.88% increase from fiscal 2023.
  • Aon plc weighted average number of shares outstanding, basic for fiscal 2023 was 203.50M shares, a 3.87% decline from fiscal 2022.
  • Aon plc weighted average number of shares outstanding, basic for fiscal 2022 was 211.70M shares, a 5.79% decline from fiscal 2021.
Period endWeighted Average Number of Shares Outstanding, Basic 3 monthWeighted Average Number of Shares Outstanding, Basic 3 month as first filedWeighted Average Number of Shares Outstanding, Basic 6 monthWeighted Average Number of Shares Outstanding, Basic 6 month as first filedWeighted Average Number of Shares Outstanding, Basic 9 monthWeighted Average Number of Shares Outstanding, Basic 12 month
2026-06-30213.20M shares
10-Q · filed 2026-07-29
213.80M shares
10-Q · filed 2026-07-29
214.27M shares
derived: average of 3 quarters · filed 2026-07-29
214.63M shares
derived: average of 4 quarters · filed 2026-07-29
2026-03-31214.30M shares
10-Q · filed 2026-05-01
214.80M shares
derived: average of 2 quarters · filed 2026-05-01
215.10M shares
derived: average of 3 quarters · filed 2026-05-01
215.38M shares
derived: average of 4 quarters · filed 2026-07-29
2025-12-31215.30M shares
derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-13
215.50M shares
derived: average of 2 quarters · filed 2026-02-13
215.73M shares
derived: average of 3 quarters · filed 2026-07-29
215.90M shares
10-K · filed 2026-02-13
2025-09-30215.70M shares
10-Q · filed 2025-10-31
215.95M shares
derived: average of 2 quarters · filed 2026-07-29
216.10M shares
10-Q · filed 2025-10-31
216.20M shares
derived: average of 4 quarters · filed 2026-07-29
2025-06-30216.20M shares
10-Q · filed 2026-07-29
216.30M shares
10-Q · filed 2026-07-29
216.37M shares
derived: average of 3 quarters · filed 2026-07-29
216.63M shares
derived: average of 4 quarters · filed 2026-07-29
2025-03-31216.40M shares
10-Q · filed 2026-05-01
216.45M shares
derived: average of 2 quarters · filed 2026-05-01
216.77M shares
derived: average of 3 quarters · filed 2026-05-01
215.70M shares
derived: average of 4 quarters · filed 2026-05-01
2024-12-31216.50M shares
derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-13
216.95M shares
derived: average of 2 quarters · filed 2026-02-13
215.47M shares
derived: average of 3 quarters · filed 2026-02-13
211.40M shares
10-K · filed 2026-02-13
2024-09-30217.40M shares
10-Q · filed 2025-10-31
214.95M shares
derived: average of 2 quarters · filed 2025-10-31
209.70M shares
10-Q · filed 2025-10-31
207.30M shares
derived: average of 4 quarters · filed 2026-02-13
2024-06-30212.50M shares
10-Q · filed 2025-07-25
205.80M shares
10-Q · filed 2025-07-25
203.93M shares
derived: average of 3 quarters · filed 2026-02-13
203.68M shares
derived: average of 4 quarters · filed 2026-02-13
2024-03-31199.10M shares
10-Q · filed 2025-04-25
199.65M shares
derived: average of 2 quarters · filed 2026-02-13
200.73M shares
derived: average of 3 quarters · filed 2026-02-13
201.72M shares
derived: average of 4 quarters · filed 2026-02-13
2023-12-31200.20M shares
derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-13
201.55M shares
derived: average of 2 quarters · filed 2026-02-13
202.60M shares
derived: average of 3 quarters · filed 2026-02-13
203.50M shares
10-K · filed 2026-02-13
2023-09-30202.90M shares
10-Q · filed 2024-10-25
203.80M shares
derived: average of 2 quarters · filed 2024-10-25
204.60M shares
10-Q · filed 2024-10-25
205.22M shares
derived: average of 4 quarters · filed 2025-02-18
2023-06-30204.70M shares
10-Q · filed 2024-07-26
205.40M shares
10-Q · filed 2024-07-26
206.00M shares
derived: average of 3 quarters · filed 2025-02-18
207.22M shares
derived: average of 4 quarters · filed 2025-02-18
2023-03-31206.10M shares
10-Q · filed 2024-04-26
206.65M shares
derived: average of 2 quarters · filed 2025-02-18
208.07M shares
derived: average of 3 quarters · filed 2025-02-18
209.38M shares
derived: average of 4 quarters · filed 2025-02-18
2022-12-31207.20M shares
derived: 10-K 12 month − 10-Q 9 month · filed 2025-02-18
209.05M shares
derived: average of 2 quarters · filed 2025-02-18
210.47M shares
derived: average of 3 quarters · filed 2025-02-18
211.70M shares
10-K · filed 2025-02-18
2022-09-30210.90M shares
10-Q · filed 2023-10-27
212.10M shares
derived: average of 2 quarters · filed 2023-10-27
213.20M shares
10-Q · filed 2023-10-27
214.70M shares
derived: average of 4 quarters · filed 2024-02-16
2022-06-30213.30M shares
10-Q · filed 2023-07-28
214.30M shares
10-Q · filed 2023-07-28
215.97M shares
derived: average of 3 quarters · filed 2024-02-16
218.32M shares
derived: average of 4 quarters · filed 2024-02-16
2022-03-31215.30M shares
10-Q · filed 2023-04-28
217.30M shares
derived: average of 2 quarters · filed 2024-02-16
220.00M shares
derived: average of 3 quarters · filed 2024-02-16
221.75M shares
derived: average of 4 quarters · filed 2024-02-16
2021-12-31219.30M shares
derived: 10-K 12 month − 10-Q 9 month · filed 2024-02-16
222.35M shares
derived: average of 2 quarters · filed 2024-02-16
223.90M shares
derived: average of 3 quarters · filed 2024-02-16
224.70M shares
10-K · filed 2024-02-16
2021-09-30225.40M shares
10-Q · filed 2022-10-28
226.20M shares
derived: average of 2 quarters · filed 2022-10-28
226.50M shares
10-Q · filed 2022-10-28
227.18M shares
derived: average of 4 quarters · filed 2023-02-17
2021-06-30227.00M shares
10-Q · filed 2022-07-29
227.00M shares
10-Q · filed 2022-07-29
227.77M shares
derived: average of 3 quarters · filed 2023-02-17
228.97M shares
derived: average of 4 quarters · filed 2023-02-17
2021-03-31227.10M shares
10-Q · filed 2022-04-29
228.15M shares
derived: average of 2 quarters · filed 2023-02-17
229.63M shares
derived: average of 3 quarters · filed 2023-02-17
230.40M shares
derived: average of 4 quarters · filed 2023-02-17
2020-12-31229.20M shares
derived: 10-K 12 month − 10-Q 9 month · filed 2023-02-17
230.90M shares
derived: average of 2 quarters · filed 2023-02-17
231.50M shares
derived: average of 3 quarters · filed 2023-02-17
231.90M shares
10-K · filed 2023-02-17
2020-09-30232.60M shares
10-Q · filed 2021-10-29
232.65M shares
derived: average of 2 quarters · filed 2021-10-29
232.80M shares
10-Q · filed 2021-10-29
233.30M shares
derived: average of 4 quarters · filed 2022-02-18
2020-06-30232.70M shares
10-Q · filed 2021-07-30
233.00M shares
10-Q · filed 2021-07-30
233.53M shares
derived: average of 3 quarters · filed 2022-02-18
234.38M shares
derived: average of 4 quarters · filed 2022-02-18
2020-03-31233.20M shares
10-Q · filed 2021-04-30
233.95M shares
derived: average of 2 quarters · filed 2022-02-18
234.93M shares
derived: average of 3 quarters · filed 2022-02-18
236.35M shares
derived: average of 4 quarters · filed 2022-02-18
2019-12-31234.70M shares
derived: 10-K 12 month − 10-Q 9 month · filed 2022-02-18
235.80M shares
derived: average of 2 quarters · filed 2022-02-18
237.40M shares
derived: average of 3 quarters · filed 2022-02-18
238.60M shares
10-K · filed 2022-02-18
2019-09-30236.90M shares
10-Q · filed 2020-10-30
238.75M shares
derived: average of 2 quarters · filed 2020-10-30
239.90M shares
10-Q · filed 2020-10-30
240.47M shares
derived: average of 4 quarters · filed 2021-02-19
2019-06-30240.60M shares
10-Q · filed 2020-07-31
241.40M shares
10-Q · filed 2020-07-31
241.67M shares
derived: average of 3 quarters · filed 2021-02-19
242.25M shares
derived: average of 4 quarters · filed 2021-02-19
2019-03-31242.20M shares
10-Q · filed 2020-05-01
242.20M shares
derived: average of 2 quarters · filed 2021-02-19
242.80M shares
derived: average of 3 quarters · filed 2021-02-19
243.60M shares
derived: average of 4 quarters · filed 2021-02-19
2018-12-31242.20M shares
derived: 10-K 12 month − 10-Q 9 month · filed 2021-02-19
243.10M shares
derived: average of 2 quarters · filed 2021-02-19
244.07M shares
derived: average of 3 quarters · filed 2021-02-19
245.20M shares
10-K · filed 2021-02-19
2018-09-30244.00M shares
10-Q · filed 2019-10-25
245.00M shares
derived: average of 2 quarters · filed 2019-10-25
246.20M shares
10-Q · filed 2019-10-25
247.45M shares
derived: average of 4 quarters · filed 2020-04-01
2018-06-30246.00M shares
10-Q · filed 2019-07-26
247.20M shares
10-Q · filed 2019-07-26
248.60M shares
derived: average of 3 quarters · filed 2020-04-01
250.35M shares
derived: average of 4 quarters · filed 2020-04-01
2018-03-31248.50M shares
10-Q · filed 2019-04-26
249.90M shares
derived: average of 2 quarters · filed 2020-04-01
251.80M shares
derived: average of 3 quarters · filed 2020-04-01
254.45M shares
derived: average of 4 quarters · filed 2020-04-01
2017-12-31251.30M shares
derived: 8-K 12 month − 10-Q 9 month · filed 2020-04-01
253.45M shares
derived: average of 2 quarters · filed 2020-04-01
256.43M shares
derived: average of 3 quarters · filed 2020-04-01
258.50M shares
8-K · filed 2020-04-01
2017-09-30255.60M shares
10-Q · filed 2018-10-26
259.00M shares
derived: average of 2 quarters · filed 2018-10-26
260.90M shares
10-Q · filed 2018-10-26
261.98M shares
derived: average of 4 quarters · filed 2019-02-19
2017-06-30262.40M shares
10-Q · filed 2018-07-27
263.60M shares
10-Q · filed 2018-07-27
264.10M shares
derived: average of 3 quarters · filed 2019-02-19
264.95M shares
derived: average of 4 quarters · filed 2019-02-19
2017-03-31264.80M shares
10-Q · filed 2018-05-04
264.95M shares
derived: average of 2 quarters · filed 2019-02-19
265.80M shares
derived: average of 3 quarters · filed 2019-02-19
266.35M shares
derived: average of 4 quarters · filed 2019-02-19
2016-12-31265.10M shares
derived: 10-K 12 month − 10-Q 9 month · filed 2019-02-19
266.30M shares
derived: average of 2 quarters · filed 2019-02-19
266.87M shares
derived: average of 3 quarters · filed 2019-02-19
268.10M shares
10-K · filed 2019-02-19
2016-09-30267.50M shares
10-Q · filed 2017-10-27
267.75M shares
derived: average of 2 quarters · filed 2017-10-27
269.10M shares
10-Q · filed 2017-10-27
270.20M shares
derived: average of 4 quarters · filed 2018-02-20
2016-06-30268.00M shares
10-Q · filed 2017-08-04
269.90M shares
10-Q · filed 2017-08-04
271.10M shares
derived: average of 3 quarters · filed 2018-02-20
273.55M shares
derived: average of 4 quarters · filed 2018-02-20
2016-03-31271.70M shares
10-Q · filed 2017-05-09
272.65M shares
derived: average of 2 quarters · filed 2018-02-20
275.40M shares
derived: average of 3 quarters · filed 2018-02-20
277.68M shares
derived: average of 4 quarters · filed 2018-02-20
2015-12-31273.60M shares
derived: 10-K 12 month − 10-Q 9 month · filed 2018-02-20
277.25M shares
derived: average of 2 quarters · filed 2018-02-20
279.67M shares
derived: average of 3 quarters · filed 2018-02-20
280.80M shares
10-K · filed 2018-02-20
2015-09-30280.90M shares
10-Q · filed 2016-10-28
282.70M shares
derived: average of 2 quarters · filed 2016-10-28
283.20M shares
10-Q · filed 2016-10-28
284.32M shares
derived: average of 4 quarters · filed 2017-02-23
2015-06-30284.50M shares
10-Q · filed 2016-07-29
284.30M shares
10-Q · filed 2016-07-29
285.47M shares
derived: average of 3 quarters · filed 2017-02-23
287.18M shares
derived: average of 4 quarters · filed 2017-02-23
2015-03-31284.20M shares
10-Q · filed 2016-04-29
285.95M shares
derived: average of 2 quarters · filed 2017-02-23
288.07M shares
derived: average of 3 quarters · filed 2017-02-23
290.68M shares
derived: average of 4 quarters · filed 2017-02-23
2014-12-31287.70M shares
derived: 10-K 12 month − 10-Q 9 month · filed 2017-02-23
290.00M shares
derived: average of 2 quarters · filed 2017-02-23
292.83M shares
derived: average of 3 quarters · filed 2017-02-23
295.50M shares
10-K · filed 2017-02-23
2014-09-30292.30M shares
10-Q · filed 2015-10-30
295.40M shares
derived: average of 2 quarters · filed 2015-10-30
298.10M shares
10-Q · filed 2015-10-30
300.07M shares
derived: average of 4 quarters · filed 2016-02-22
2014-06-30298.50M shares
10-Q · filed 2015-07-31
301.00M shares
10-Q · filed 2015-07-31
302.67M shares
derived: average of 3 quarters · filed 2016-02-22
304.38M shares
derived: average of 4 quarters · filed 2016-02-22
2014-03-31303.50M shares
10-Q · filed 2015-05-01
304.75M shares
derived: average of 2 quarters · filed 2016-02-22
306.33M shares
derived: average of 3 quarters · filed 2016-02-22
308.18M shares
derived: average of 4 quarters · filed 2016-02-22
2013-12-31306.00M shares
derived: 10-K 12 month − 10-Q 9 month · filed 2016-02-22
307.75M shares
derived: average of 2 quarters · filed 2016-02-22
309.73M shares
derived: average of 3 quarters · filed 2016-02-22
311.40M shares
10-K · filed 2016-02-22
2013-09-30309.50M shares
10-Q · filed 2014-10-31
311.60M shares
derived: average of 2 quarters · filed 2014-10-31
313.20M shares
10-Q · filed 2014-10-31
315.45M shares
derived: average of 4 quarters · filed 2015-02-24
2013-06-30313.70M shares
10-Q · filed 2014-07-25
315.00M shares
10-Q · filed 2014-07-25
317.43M shares
derived: average of 3 quarters · filed 2015-02-24
319.90M shares
derived: average of 4 quarters · filed 2015-02-24
2013-03-31316.40M shares
10-Q · filed 2014-04-25
319.30M shares
derived: average of 2 quarters · filed 2015-02-24
321.97M shares
derived: average of 3 quarters · filed 2015-02-24
324.48M shares
derived: average of 4 quarters · filed 2015-02-24
2012-12-31322.20M shares
derived: 10-K 12 month − 10-Q 9 month · filed 2015-02-24
324.75M shares
derived: average of 2 quarters · filed 2015-02-24
327.17M shares
derived: average of 3 quarters · filed 2015-02-24
328.50M shares
10-K · filed 2015-02-24
2012-09-30327.30M shares
10-Q · filed 2013-10-25
329.65M shares
derived: average of 2 quarters · filed 2013-10-25
330.60M shares
10-Q · filed 2013-10-25
330.90M shares
derived: average of 4 quarters · filed 2014-02-18
2012-06-30332.00M shares
10-Q · filed 2013-07-26
332.20M shares
10-Q · filed 2013-07-26
332.10M shares
derived: average of 3 quarters · filed 2014-02-18
332.23M shares
derived: average of 4 quarters · filed 2014-02-18
2012-03-31332.40M shares
10-Q · filed 2013-05-01
332.15M shares
derived: average of 2 quarters · filed 2014-02-18
332.30M shares
derived: average of 3 quarters · filed 2014-02-18
333.65M shares
derived: average of 4 quarters · filed 2014-02-18
2011-12-31331.90M shares
derived: 10-K 12 month − 10-Q 9 month · filed 2014-02-18
332.25M shares
derived: average of 2 quarters · filed 2014-02-18
334.07M shares
derived: average of 3 quarters · filed 2014-02-18
335.50M shares
10-K · filed 2014-02-18
2011-09-30332.60M shares
10-Q · filed 2012-10-31
335.15M shares
derived: average of 2 quarters · filed 2012-10-31
336.70M shares
10-Q · filed 2012-10-31
337.63M shares
derived: average of 4 quarters · filed 2013-02-22
2011-06-30337.70M shares
10-Q · filed 2012-08-08
338.70M shares
10-Q · filed 2012-08-08
339.30M shares
derived: average of 3 quarters · filed 2013-02-22
324.15M shares
derived: average of 4 quarters · filed 2013-02-22
2011-03-31339.40M shares
10-Q · filed 2012-05-08
340.10M shares
derived: average of 2 quarters · filed 2013-02-22
319.63M shares
derived: average of 3 quarters · filed 2013-02-22
309.32M shares
derived: average of 4 quarters · filed 2013-02-22
2010-12-31340.80M shares
derived: 10-K 12 month − 10-Q 9 month · filed 2013-02-22
309.75M shares
derived: average of 2 quarters · filed 2013-02-22
299.30M shares
derived: average of 3 quarters · filed 2013-02-22
293.40M shares
10-K · filed 2013-02-22
2010-09-30278.70M shares
10-Q · filed 2011-11-04
278.55M shares
derived: average of 2 quarters · filed 2011-11-04
277.60M shares
10-Q · filed 2011-11-04
278.07M shares
derived: average of 4 quarters · filed 2012-08-31
2010-06-30278.40M shares
10-Q · filed 2011-08-04
277.10M shares
10-Q · filed 2011-08-04
277.87M shares
derived: average of 3 quarters · filed 2012-08-31
279.35M shares
derived: average of 4 quarters · filed 2012-08-31
2010-03-31275.90M shares
10-Q · filed 2011-05-05
277.60M shares
derived: average of 2 quarters · filed 2012-08-31
279.67M shares
derived: average of 3 quarters · filed 2012-08-31
281.10M shares
derived: average of 4 quarters · filed 2012-08-31
2009-12-31279.30M shares
derived: 8-K 12 month − 10-Q 9 month · filed 2012-08-31
281.55M shares
derived: average of 2 quarters · filed 2012-08-31
282.83M shares
derived: average of 3 quarters · filed 2012-08-31
283.20M shares
8-K · filed 2012-08-31
2009-09-30283.80M shares
10-Q · filed 2010-11-04
284.60M shares
derived: average of 2 quarters · filed 2010-11-04
284.50M shares
10-Q · filed 2010-11-04
283.50M shares
derived: average of 4 quarters · filed 2011-02-25
2009-06-30285.40M shares
10-Q · filed 2010-08-06
278.30M shares
10-Q · filed 2009-08-07
284.80M shares
10-Q · filed 2010-08-06
277.60M shares
10-Q · filed 2009-08-07
283.40M shares
derived: average of 3 quarters · filed 2011-02-25
282.98M shares
derived: average of 4 quarters · filed 2011-02-25
2009-03-31284.30M shares
10-Q · filed 2010-05-04
282.40M shares
derived: average of 2 quarters · filed 2011-02-25
282.17M shares
derived: average of 3 quarters · filed 2011-02-25
284.00M shares
derived: average of 4 quarters · filed 2011-02-25
2008-12-31280.50M shares
derived: 10-K 12 month − 10-Q 9 month · filed 2011-02-25
281.10M shares
derived: average of 2 quarters · filed 2011-02-25
283.90M shares
derived: average of 3 quarters · filed 2011-02-25
292.80M shares
10-K · filed 2011-02-25
2008-09-30281.70M shares
10-Q · filed 2009-11-03
285.60M shares
derived: average of 2 quarters · filed 2009-11-03
296.90M shares
10-Q · filed 2009-11-03
2008-06-30289.50M shares
10-Q · filed 2009-08-07
296.80M shares
10-Q · filed 2009-08-07
2007-12-31305.00M shares
10-K · filed 2010-02-26

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