Market capitalization of Alliant Energy (LNT)

Market cap: HK$146.78 Billion

As of May 2026 Alliant Energy has a market cap of HK$146.78 Billion. This makes Alliant Energy the world's 1253th 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 Alliant Energy from 1996 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	HK$146.78 B	12.49%
2025	HK$130.48 B	10.01%
2024	HK$118.61 B	16.01%
2023	HK$102.23 B	-5.58%
2022	HK$108.28 B	-9.77%
2021	HK$120.00 B	20.28%
2020	HK$99.77 B	-4.45%
2019	HK$104.42 B	33.7%
2018	HK$78.10 B	1.47%
2017	HK$76.97 B	15.15%
2016	HK$66.84 B	21.72%
2015	HK$54.91 B	-3.91%
2014	HK$57.15 B	28.75%
2013	HK$44.39 B	17.51%
2012	HK$37.77 B	-0.65%
2011	HK$38.02 B	19.82%
2010	HK$31.73 B	22.22%
2009	HK$25.96 B	4.25%
2008	HK$24.90 B	-28.87%
2007	HK$35.01 B	2.54%
2006	HK$34.14 B	34.19%
2005	HK$25.44 B	-1.09%
2004	HK$25.72 B	20.12%
2003	HK$21.41 B	79.77%
2002	HK$11.91 B	-43.89%
2001	HK$21.23 B	8.09%
2000	HK$19.64 B	16.4%
1999	HK$16.87 B	-13%
1998	HK$19.39 B	145.42%
1997	HK$7.90 B	18.06%
1996	HK$6.69 B

End of Day market cap according to different sources

On May 12th, 2026 the market cap of Alliant Energy was reported to be:

HK$146.78 Billion

by Nasdaq

HK$146.78 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Ameren AEE	HK$237.24 B	61.62%	🇺🇸 USA
CMS Energy CMS	HK$177.30 B	20.79%	🇺🇸 USA
DTE Energy DTE	HK$232.22 B	58.20%	🇺🇸 USA
WEC Energy Group WEC	HK$287.10 B	95.59%	🇺🇸 USA
Duke Energy DUK	HK$763.38 B	420.07%	🇺🇸 USA
Xcel Energy XEL	HK$390.51 B	166.05%	🇺🇸 USA
MGE Energy MGEE	HK$22.25 B	-84.84%	🇺🇸 USA
Allete ALE	HK$30.88 B	-78.96%	🇺🇸 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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