Affiliated Managers Group, Inc. (AMG)

Historical Shares Outstanding

Current Count

26.9M

Financial Fundamentals

AMG • Quarterly Data • 5Y View

Share Count History

Date	Shares Out. (M)	Change (M)	Change %
2026-06-30	26.9	-0.6	-2.18%
2026-03-31	27.5	-4.0	-12.70%
2025-12-31	31.5	-1.5	-4.55%
2025-09-30	33.0	0.7	+2.17%
2025-06-30	32.3	-0.3	-0.92%
2025-03-31	32.6	-3.4	-9.44%
2024-12-31	36.0	1.0	+2.86%
2024-09-30	35.0	-0.3	-0.85%
2024-06-30	35.3	-4.8	-11.97%
2024-03-31	40.1	-1.2	-2.91%
2023-12-31	41.3	-2.1	-4.84%
2023-09-30	43.4	1.3	+3.09%
2023-06-30	42.1	2.2	+5.51%
2023-03-31	39.9	-6.1	-13.26%
2022-12-31	46.0	2.5	+5.75%
2022-09-30	43.5	-1.0	-2.25%
2022-06-30	44.5	-2.4	-5.12%
2022-03-31	46.9	3.0	+6.83%
2021-12-31	43.9	-0.4	-0.90%
2021-09-30	44.3	-0.3	-0.67%
2021-06-30	44.6	-0.8	-1.76%
2021-03-31	45.4	-2.1	-4.42%
2020-12-31	47.5	1.0	+2.15%
2020-09-30	46.5	-0.8	-1.69%
2020-06-30	47.3	-0.5	-1.05%
2020-03-31	47.8	-1.3	-2.65%
2019-12-31	49.1	-1.3	-2.58%
2019-09-30	50.4	-0.6	-1.18%
2019-06-30	51.0	-0.9	-1.73%
2019-03-31	51.9	-0.6	-1.14%
2018-12-31	52.5	-2.9	-5.23%
2018-09-30	55.4	1.2	+2.21%
2018-06-30	54.2	-2.8	-4.91%
2018-03-31	57.0	-1.0	-1.72%
2017-12-31	58.0	-0.3	-0.51%
2017-09-30	58.3	-0.4	-0.68%
2017-06-30	58.7	-0.5	-0.84%
2017-03-31	59.2	1.4	+2.42%
2016-12-31	57.8	1.2	+2.12%
2016-09-30	56.6	0.1	+0.18%
2016-06-30	56.5	0.0	0.00%
2016-03-31	56.5	-0.2	-0.35%
2015-12-31	56.7	-0.3	-0.53%
2015-09-30	57.0	-0.5	-0.87%
2015-06-30	57.5	-0.3	-0.52%
2015-03-31	57.8	-0.7	-1.20%
2014-12-31	58.5	-0.3	-0.51%
2014-09-30	58.8	0.1	+0.17%
2014-06-30	58.7	3.5	+6.34%
2014-03-31	55.2	-3.9	-6.60%
2013-12-31	59.1	2.2	+3.87%
2013-09-30	56.9	2.3	+4.21%
2013-06-30	54.6	0.4	+0.74%
2013-03-31	54.2	-1.3	-2.34%
2012-12-31	55.5	2.5	+4.72%
2012-09-30	53.0	0.3	+0.57%
2012-06-30	52.7	-0.2	-0.38%
2012-03-31	52.9	0.3	+0.57%
2011-12-31	52.6	-0.4	-0.75%
2011-09-30	53.0	-0.4	-0.75%
2011-06-30	53.4	0.3	+0.56%
2011-03-31	53.1	3.7	+7.49%
2010-12-31	49.4	-2.5	-4.82%
2010-09-30	51.9	4.3	+9.03%
2010-06-30	47.6	2.2	+4.80%
2010-03-31	45.4	2.1	+4.82%
2009-12-31	43.3	-0.9	-2.11%
2009-09-30	44.3	1.1	+2.57%
2009-06-30	43.2	2.1	+5.06%
2009-03-31	41.1	0.2	+0.51%
2008-12-31	40.9	-1.2	-2.83%
2008-09-30	42.1	-0.3	-0.73%
2008-06-30	42.4	1.5	+3.80%
2008-03-31	40.8	-4.1	-9.13%
2007-12-31	44.9	0.2	+0.56%
2007-09-30	44.7	-0.6	-1.23%
2007-06-30	45.2	0.6	+1.41%
2007-03-31	44.6	0.0	0.00%
2006-12-31	44.6	0.2	+0.45%
2006-09-30	44.4	-0.8	-1.80%
2006-06-30	45.2	-1.1	-2.36%
2006-03-31	46.3	1.6	+3.62%
2005-12-31	44.7	-0.2	-0.49%
2005-09-30	44.9	0.5	+1.20%
2005-06-30	44.4	0.3	+0.68%
2005-03-31	44.1	4.4	+11.18%
2004-12-31	39.6	1.2	+3.02%
2004-09-30	38.5	0.3	+0.74%
2004-06-30	38.2	6.2	+19.53%
2004-03-31	32.0	-14.6	-31.37%
2003-12-31	46.6	13.6	+41.30%
2003-09-30	33.0	0.7	+2.24%
2003-06-30	32.2	-0.4	-1.12%
2003-03-31	32.6	-1.1	-3.17%
2002-12-31	33.7	0.2	+0.62%
2002-09-30	33.5	-0.8	-2.45%
2002-06-30	34.3	-0.2	-0.44%
2002-03-31	34.4	0.0	0.00%
2001-12-31	34.4	0.2	+0.53%
2001-09-30	34.3	0.3	+0.82%
2001-06-30	34.0	0.1	+0.39%
2001-03-31	33.9	0.0	0.00%
2000-12-31	33.9	-0.1	-0.33%
2000-09-30	34.0	0.2	+0.60%
2000-06-30	33.8	-0.9	-2.57%
2000-03-31	34.6	0.0	0.00%
1999-12-31	34.6	-15.0	-30.18%
1999-09-30	49.6	-3.1	-5.80%
1999-06-30	52.7	6.1	+13.03%
1999-03-31	46.6	0.0	0.00%
1998-12-31	46.6	2.7	+6.03%
1998-09-30	44.0	-0.4	-0.86%
1998-06-30	44.3	17.8	+67.05%
1998-03-31	26.5	-14.3	-35.07%
1997-12-31	40.9	26.8	+190.82%
1997-09-30	14.1	-2.8	-16.67%
1997-06-30	16.9	5.6	+50.00%
1997-03-31	11.2	—	—