Ameren (AEE) - Market capitalization

Market cap: HK$208.99 Billion

As of December 2025 Ameren has a market cap of HK$208.99 Billion. This makes Ameren the world's 855th 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 Ameren from 1997 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	HK$208.99 B	11.91%
2024	HK$186.75 B	25.71%
2023	HK$148.55 B	-17.29%
2022	HK$179.60 B	0.46%
2021	HK$178.79 B	19.52%
2020	HK$149.59 B	1.59%
2019	HK$147.25 B	17.91%
2018	HK$124.89 B	11.68%
2017	HK$111.82 B	13.29%
2016	HK$98.70 B	21.43%
2015	HK$81.28 B	-6.36%
2014	HK$86.80 B	27.61%
2013	HK$68.02 B	17.76%
2012	HK$57.76 B	-7.32%
2011	HK$62.33 B	18.19%
2010	HK$52.73 B	2.51%
2009	HK$51.44 B	-5.71%
2008	HK$54.56 B	-38.03%
2007	HK$88.04 B	1.98%
2006	HK$86.33 B	6.16%
2005	HK$81.32 B	6.92%
2004	HK$76.05 B	30.95%
2003	HK$58.08 B	16.27%
2002	HK$49.95 B	9.72%
2001	HK$45.53 B	-8.13%
2000	HK$49.56 B	41.97%
1999	HK$34.91 B	-23.07%
1998	HK$45.38 B	-1.32%
1997	HK$45.98 B

End of Day market cap according to different sources

On Dec 8th, 2025 the market cap of Ameren was reported to be:

HK$208.97 Billion

by Nasdaq

HK$208.99 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
CMS Energy CMS	HK$166.95 B	-20.12%	🇺🇸 USA
Alliant Energy LNT	HK$129.54 B	-38.02%	🇺🇸 USA
Dominion Energy D	HK$388.21 B	85.75%	🇺🇸 USA
Duke Energy DUK	HK$697.04 B	233.52%	🇺🇸 USA
Xcel Energy XEL	HK$348.49 B	66.75%	🇺🇸 USA
WEC Energy Group WEC	HK$265.10 B	26.85%	🇺🇸 USA
Otter Tail OTTR	HK$26.82 B	-87.17%	🇺🇸 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 Ameren (AEE)

Market cap: HK$208.99 Billion