Affiliated Managers Group (AMG) - Market capitalization

Market cap: £5.82 Billion

As of December 2025 Affiliated Managers Group has a market cap of £5.82 Billion. This makes Affiliated Managers Group the world's 2329th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.

Market cap history of Affiliated Managers Group from 1997 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	£5.82 B	28.92%
2024	£4.51 B	12.47%
2023	£4.01 B	-18.54%
2022	£4.93 B	-0.43%
2021	£4.95 B	50.91%
2020	£3.28 B	5.62%
2019	£3.10 B	-22.13%
2018	£3.99 B	-52.71%
2017	£8.44 B	30.77%
2016	£6.45 B	11.3%
2015	£5.79 B	-22.08%
2014	£7.44 B	7.01%
2013	£6.95 B	65.47%
2012	£4.20 B	32.29%
2011	£3.17 B	-8.36%
2010	£3.46 B	81.91%
2009	£1.90 B	62.23%
2008	£1.17 B	-33.55%
2007	£1.76 B	11.31%
2006	£1.58 B	0.55%
2005	£1.57 B	51.01%
2004	£1.04 B	26.09%
2003	£0.82 B	21.58%
2002	£0.68 B	-36.99%
2001	£1.08 B	33.71%
2000	£0.80 B	41.18%
1999	£0.57 B	82.23%
1998	£0.31 B	0.79%
1997	£0.31 B

End of Day market cap according to different sources

On Dec 5th, 2025 the market cap of Affiliated Managers Group was reported to be:

£5.76 Billion

by Nasdaq

£5.82 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Franklin Resources BEN	£9.15 B	57.06%	🇺🇸 USA
BlackRock BLK	£124.86 B	2,043.12%	🇺🇸 USA
Invesco IVZ	£8.78 B	50.76%	🇺🇸 USA
AllianceBernstein AB	£3.55 B	-39.05%	🇺🇸 USA

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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Market capitalization of Affiliated Managers Group (AMG)

Market cap: £5.82 Billion