Alliant Energy Corporation (LNT)

Alliant Energy Market Cap

Alliant Energy has a market cap or net worth of $18.76 billion as of April 8, 2026. Its market cap has increased by 15.02% in one year.

• Market Cap: 18.76B
• Enterprise Value: 30.53B
• 1-Year Change: 15.02%
• Ranking: #618
• Category: Large-Cap
• Stock Price: $72.65

Market Cap Chart

Since December 1, 1998, Alliant Energy's market cap has increased from $2.34B to $18.76B, an increase of 702.39%. That is a compound annual growth rate of 7.91%.

Market Cap History

Date	Market Cap	% Change
Apr 6, 2026	18.63B	11.48%
Dec 31, 2025	16.71B	10.12%
Dec 31, 2024	15.18B	15.92%
Dec 29, 2023	13.09B	-5.54%
Dec 30, 2022	13.86B	-9.95%
Dec 31, 2021	15.39B	19.58%
Dec 31, 2020	12.87B	-2.14%
Dec 31, 2019	13.15B	31.93%
Dec 31, 2018	9.97B	1.18%
Dec 29, 2017	9.85B	14.29%
Dec 30, 2016	8.62B	21.76%
Dec 31, 2015	7.08B	-3.92%
Dec 31, 2014	7.37B	28.71%
Dec 31, 2013	5.72B	17.47%
Dec 31, 2012	4.87B	-0.45%
Dec 30, 2011	4.90B	20.10%
Dec 31, 2010	4.08B	21.75%
Dec 31, 2009	3.35B	3.88%
Dec 31, 2008	3.22B	-28.20%
Dec 31, 2007	4.49B	2.37%
Dec 29, 2006	4.38B	33.80%
Dec 30, 2005	3.28B	-0.82%
Dec 31, 2004	3.30B	19.86%
Dec 31, 2003	2.76B	81.67%
Dec 31, 2002	1.52B	-37.15%

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