American International Group (AIG) - Market capitalization

Market cap: £37.28 Billion

As of January 2025 American International Group has a market cap of £37.28 Billion. This makes American International Group the world's 435th 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 American International Group from 1996 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	£37.28 B	2.76%
2024	£36.28 B	-2.81%
2023	£37.33 B	-3.87%
2022	£38.83 B	11.04%
2021	£34.97 B	46.16%
2020	£23.92 B	-29.73%
2019	£34.05 B	26.57%
2018	£26.90 B	-32.11%
2017	£39.62 B	-27.11%
2016	£54.36 B	8.89%
2015	£49.92 B	0.86%
2014	£49.49 B	9.24%
2013	£45.31 B	40.53%
2012	£32.24 B	13.74%
2011	£28.34 B	440.71%
2010	£5.24 B	109.51%
2009	£2.50 B	-13.15%
2008	£2.88 B	-96.12%
2007	£74.23 B	-22.33%
2006	£95.57 B	-6.97%
2005	£102.73 B	15.68%
2004	£88.81 B	-8.11%
2003	£96.64 B	2.65%
2002	£94.15 B	-34.26%
2001	£143.22 B	-7.02%
2000	£154.04 B	48.61%
1999	£103.66 B	69.94%
1998	£60.99 B	31.72%
1997	£46.30 B	56.04%
1996	£29.67 B

End of Day market cap according to different sources

On Jan 15th, 2025 the market cap of American International Group was reported to be:

£37.28 Billion

by Yahoo Finance

£37.28 Billion

by CompaniesMarketCap

£37.27 Billion

by Nasdaq

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Arch Capital ACGL	£28.81 B	-22.72%	🇧🇲 Bermuda
American Financial Group AFG	£9.33 B	-74.97%	🇺🇸 USA
Safety Insurance SAFT	£0.96 B	-97.40%	🇺🇸 USA
White Mountains Insurance Group WTM	£3.91 B	-89.51%	🇧🇲 Bermuda
Horace Mann Educators HMN	£1.26 B	-96.60%	🇺🇸 USA
Prudential PUK	£16.23 B	-56.47%	🇬🇧 UK
AEGON AEG	£8.27 B	-77.80%	🇳🇱 Netherlands

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 American International Group (AIG)

Market cap: £37.28 Billion