Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest of AFFILIATED MANAGERS GROUP, INC. from 30 Jun 2010 to 31 Dec 2025

Taxonomy & unit: us-gaap: USD
Description: Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.
Summary: AFFILIATED MANAGERS GROUP, INC. quarterly Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest in USD history and change rate from 30 Jun 2010 to 31 Dec 2025.
AFFILIATED MANAGERS GROUP, INC. Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest for the quarter ending 31 Dec 2025 was $4,175,300,000, a 2.9% decline year-over-year.
Source SEC data: View on sec.gov

Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Quarterly (USD)

Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, YoY Quarterly Change (%)

AFFILIATED MANAGERS GROUP, INC. Quarterly Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest (USD)

Period	Value	YoY Chg	Change %	Date	Report	Filed	Fiscal Year	Fiscal Period
Q4 2025	$4,175,300,000	-$122,900,000	-2.9%	31 Dec 2025	10-K	17 Feb 2026	2025	FY
Q3 2025	$4,266,500,000	-$7,500,000	-0.18%	30 Sep 2025	10-Q	06 Nov 2025	2025	Q3
Q2 2025	$4,138,700,000	-$124,000,000	-2.9%	30 Jun 2025	10-Q	06 Nov 2025	2025	Q3
Q1 2025	$4,099,000,000	-$421,500,000	-9.3%	31 Mar 2025	10-Q	07 Aug 2025	2025	Q2
Q4 2024	$4,298,200,000	-$271,900,000	-6%	31 Dec 2024	10-K	17 Feb 2026	2025	FY
Q3 2024	$4,274,000,000	-$190,200,000	-4.3%	30 Sep 2024	10-Q	06 Nov 2025	2025	Q3
Q2 2024	$4,262,700,000	-$105,700,000	-2.4%	30 Jun 2024	10-Q	06 Nov 2025	2025	Q3
Q1 2024	$4,520,500,000	+$301,100,000	+7.1%	31 Mar 2024	10-Q	07 Aug 2025	2025	Q2
Q4 2023	$4,570,100,000	+$394,500,000	+9.4%	31 Dec 2023	10-K	17 Feb 2026	2025	FY
Q3 2023	$4,464,200,000	+$808,800,000	+22%	30 Sep 2023	10-Q	07 Nov 2024	2024	Q3
Q2 2023	$4,368,400,000	+$724,600,000	+20%	30 Jun 2023	10-Q	07 Nov 2024	2024	Q3
Q1 2023	$4,219,400,000	+$626,200,000	+17%	31 Mar 2023	10-Q	02 Aug 2024	2024	Q2
Q4 2022	$4,175,600,000	+$465,000,000	+13%	31 Dec 2022	10-K	17 Feb 2026	2025	FY
Q3 2022	$3,655,400,000	+$455,900,000	+14%	30 Sep 2022	10-Q	06 Nov 2023	2023	Q3
Q2 2022	$3,643,800,000	+$485,900,000	+15%	30 Jun 2022	10-Q	06 Nov 2023	2023	Q3
Q1 2022	$3,593,200,000	+$405,900,000	+13%	31 Mar 2022	10-Q	07 Aug 2023	2023	Q2
Q4 2021	$3,710,600,000	+$393,300,000	+12%	31 Dec 2021	10-K	14 Feb 2025	2024	FY
Q3 2021	$3,199,500,000	-$128,900,000	-3.9%	30 Sep 2021	10-Q	07 Nov 2022	2022	Q3
Q2 2021	$3,157,900,000	-$184,000,000	-5.5%	30 Jun 2021	10-Q	07 Nov 2022	2022	Q3
Q1 2021	$3,187,300,000	-$321,600,000	-9.2%	31 Mar 2021	10-Q	04 Aug 2022	2022	Q2
Q4 2020	$3,317,300,000	-$181,800,000	-5.2%	31 Dec 2020	10-K	16 Feb 2024	2023	FY
Q3 2020	$3,328,400,000	-$304,800,000	-8.4%	30 Sep 2020	10-Q	05 Nov 2021	2021	Q3
Q2 2020	$3,341,900,000	-$483,900,000	-13%	30 Jun 2020	10-Q	05 Nov 2021	2021	Q3
Q1 2020	$3,508,900,000	-$251,400,000	-6.7%	31 Mar 2020	10-Q	05 Aug 2021	2021	Q2
Q4 2019	$3,499,100,000	-$635,800,000	-15%	31 Dec 2019	10-K	17 Feb 2023	2022	FY
Q3 2019	$3,633,200,000	-$688,000,000	-16%	30 Sep 2019	10-Q	30 Oct 2020	2020	Q3
Q2 2019	$3,825,800,000	-$531,600,000	-12%	30 Jun 2019	10-Q	30 Oct 2020	2020	Q3
Q1 2019	$3,760,300,000	-$662,300,000	-15%	31 Mar 2019	10-Q	31 Jul 2020	2020	Q2
Q4 2018	$4,134,900,000	-$443,600,000	-9.7%	31 Dec 2018	10-K	18 Feb 2022	2021	FY
Q3 2018	$4,321,200,000	-$83,100,000	-1.9%	30 Sep 2018	10-Q	01 Nov 2019	2019	Q3
Q2 2018	$4,357,400,000	-$13,000,000	-0.3%	30 Jun 2018	10-Q	01 Nov 2019	2019	Q3
Q1 2018	$4,422,600,000	+$53,600,000	+1.2%	31 Mar 2018	10-Q	01 Aug 2019	2019	Q2
Q4 2017	$4,578,500,000	+$152,000,000	+3.4%	31 Dec 2017	10-K	19 Feb 2021	2020	FY
Q3 2017	$4,404,300,000	+$374,500,000	+9.3%	30 Sep 2017	10-Q	01 Nov 2018	2018	Q3
Q2 2017	$4,370,400,000	+$585,900,000	+15%	30 Jun 2017	10-Q	02 Aug 2018	2018	Q2
Q1 2017	$4,369,000,000	+$596,600,000	+16%	31 Mar 2017	10-Q	04 May 2018	2018	Q1
Q4 2016	$4,426,500,000	+$657,400,000	+17%	31 Dec 2016	10-K	28 Feb 2020	2019	FY
Q3 2016	$4,029,800,000	+$423,900,000	+12%	30 Sep 2016	10-Q	02 Nov 2017	2017	Q3
Q2 2016	$3,784,500,000	+$147,700,000	+4.1%	30 Jun 2016	10-Q	03 Aug 2017	2017	Q2
Q1 2016	$3,772,400,000	+$227,600,000	+6.4%	31 Mar 2016	10-Q	05 May 2017	2017	Q1
Q4 2015	$3,769,100,000	+$125,900,000	+3.5%	31 Dec 2015	10-K	22 Feb 2019	2018	FY
Q3 2015	$3,605,900,000	+$94,000,000	+2.7%	30 Sep 2015	10-Q	07 Nov 2016	2016	Q3
Q2 2015	$3,636,800,000	+$131,500,000	+3.8%	30 Jun 2015	10-Q	05 Aug 2016	2016	Q2
Q1 2015	$3,544,800,000	+$169,100,000	+5%	31 Mar 2015	10-Q	10 May 2016	2016	Q1
Q4 2014	$3,643,200,000	+$498,600,000	+16%	31 Dec 2014	10-K	23 Feb 2018	2017	FY
Q3 2014	$3,511,900,000	+$509,300,000	+17%	30 Sep 2014	10-Q	09 Nov 2015	2015	Q3
Q2 2014	$3,505,300,000	+$412,900,000	+13%	30 Jun 2014	10-Q	04 Aug 2015	2015	Q2
Q1 2014	$3,375,700,000	+$337,700,000	+11%	31 Mar 2014	10-Q	05 May 2015	2015	Q1
Q4 2013	$3,144,600,000	+$103,200,000	+3.4%	31 Dec 2013	10-K	24 Feb 2017	2016	FY
Q3 2013	$3,002,600,000	+$147,900,000	+5.2%	30 Sep 2013	10-Q	06 Nov 2014	2014	Q3
Q2 2013	$3,092,400,000	+$355,200,000	+13%	30 Jun 2013	10-Q	06 Aug 2014	2014	Q2
Q1 2013	$3,038,000,000	+$564,400,000	+23%	31 Mar 2013	10-Q	07 May 2013	2013	Q1
Q4 2012	$3,041,400,000	+$541,800,000	+22%	31 Dec 2012	10-K	25 Feb 2016	2015	FY
Q3 2012	$2,854,700,000	+$414,300,000	+17%	30 Sep 2012	10-Q	06 Nov 2012	2012	Q3
Q2 2012	$2,737,200,000	+$276,600,000	+11%	30 Jun 2012	10-Q	08 Aug 2012	2012	Q2
Q1 2012	$2,473,600,000	+$122,500,000	+5.2%	31 Mar 2012	10-Q	08 May 2012	2012	Q1
Q4 2011	$2,499,600,000	+$124,300,000	+5.2%	31 Dec 2011	10-K	23 Feb 2015	2014	FY
Q3 2011	$2,440,400,000	+$230,600,000	+10%	30 Sep 2011	10-Q	04 Nov 2011	2011	Q3
Q2 2011	$2,460,600,000	$0	0%	30 Jun 2011	10-Q	09 Aug 2011	2011	Q2
Q1 2011	$2,351,100,000			31 Mar 2011	10-Q	10 May 2011	2011	Q1
Q4 2010	$2,375,300,000			31 Dec 2010	10-K	27 Feb 2014	2013	FY
Q3 2010	$2,209,800,000			30 Sep 2010	10-Q	09 Nov 2010	2010	Q3
Q2 2010	$2,460,600,000			30 Jun 2010	10-Q	09 Aug 2011	2011	Q2

* An asterisk sign (*) next to the value indicates that the value is likely invalid.