Affiliated Managers Group, Inc. Common Stock (AMG)

Shares Out (Basic)

26.40M

Quarterly · Period ending: Jun 30, 2026

AMG Shares Out (Basic)

Latest reported26.40Mperiod endingJun 30, 2026

AMG Quarterly Shares Out (Basic) (11.24M → 26.40M)

Quarterly shares out (basic)

High-resolution chart · PNG

AMG shares out (basic) history

Quarterly. Dates are reporting period ends; fiscal years can differ from calendar years.

Affiliated Managers Group, Inc. Common Stock Shares Out (Basic) — Quarterly
Period ending	Shares Out (Basic)
Jun 30, 2026	26,400,000
Mar 31, 2026	26,800,000
Dec 31, 2025	27,700,000
Sep 30, 2025	28,700,000
Jun 30, 2025	28,900,000
Mar 31, 2025	29,200,000
Dec 31, 2024	30,100,000
Sep 30, 2024	30,100,000
Jun 30, 2024	31,500,000
Mar 31, 2024	32,800,000
Dec 31, 2023	33,700,000
Sep 30, 2023	34,900,000
Jun 30, 2023	35,900,000
Mar 31, 2023	35,900,000
Dec 31, 2022	37,500,000
Sep 30, 2022	38,200,000
Jun 30, 2022	38,700,000
Mar 31, 2022	39,700,000
Dec 31, 2021	40,600,000
Sep 30, 2021	41,100,000
Jun 30, 2021	41,600,000
Mar 31, 2021	42,600,000
Dec 31, 2020	47,500,000
Sep 30, 2020	46,300,000
Jun 30, 2020	47,200,000
Mar 31, 2020	47,800,000
Dec 31, 2019	48,900,000
Sep 30, 2019	50,400,000
Jun 30, 2019	51,000,000
Mar 31, 2019	51,900,000
Dec 31, 2018	52,500,000
Sep 30, 2018	53,100,000
Jun 30, 2018	54,000,000
Mar 31, 2018	54,600,000
Dec 31, 2017	55,400,000
Sep 30, 2017	55,800,000
Jun 30, 2017	56,300,000
Mar 31, 2017	56,700,000
Dec 31, 2016	55,000,000
Sep 30, 2016	53,900,000
Jun 30, 2016	53,800,000
Mar 31, 2016	54,000,000
Dec 31, 2015	53,900,000
Sep 30, 2015	54,200,000
Jun 30, 2015	54,600,000
Mar 31, 2015	54,800,000
Dec 31, 2014	55,300,000
Sep 30, 2014	55,600,000
Jun 30, 2014	55,400,000
Mar 31, 2014	53,700,000
Dec 31, 2013	55,451,161
Sep 30, 2013	53,200,000
Jun 30, 2013	53,100,000
Mar 31, 2013	52,700,000
Dec 31, 2012	52,100,000
Sep 30, 2012	51,700,000
Jun 30, 2012	51,400,000
Mar 31, 2012	51,600,000
Dec 31, 2011	51,800,000
Sep 30, 2011	51,900,000
Jun 30, 2011	52,100,000
Mar 31, 2011	51,800,000
Dec 31, 2010	47,428,846
Sep 30, 2010	51,200,000
Jun 30, 2010	44,610,506
Mar 31, 2010	42,400,000
Dec 31, 2009	41,385,359
Sep 30, 2009	41,854,249
Jun 30, 2009	41,450,659
Mar 31, 2009	40,022,423
Dec 31, 2008	38,211,326
Sep 30, 2008	39,522,159
Jun 30, 2008	39,300,624
Mar 31, 2008	34,470,123
Dec 31, 2007	29,464,764
Sep 30, 2007	29,857,038
Jun 30, 2007	29,847,093
Mar 31, 2007	29,698,622
Dec 31, 2006	29,698,622
Sep 30, 2006	30,371,364
Jun 30, 2006	31,224,354
Mar 31, 2006	33,681,230
Dec 31, 2005	33,667,542
Sep 30, 2005	33,926,047
Jun 30, 2005	33,591,741
Mar 31, 2005	33,311,259
Dec 31, 2004	29,994,560
Sep 30, 2004	29,353,068
Jun 30, 2004	28,992,832
Mar 31, 2004	30,310,432
Dec 31, 2003	39,822,676
Sep 30, 2003	31,843,368
Jun 30, 2003	31,566,975
Mar 31, 2003	32,088,223
Dec 31, 2002	32,945,118
Sep 30, 2002	32,861,013
Jun 30, 2002	33,294,810
Mar 31, 2002	33,337,396
Dec 31, 2001	33,337,396
Sep 30, 2001	33,270,087