Alliant Energy Corporation
Alliant Energy Corporation (LNT) Market Cap & Net Worth
Live market cap, enterprise value, and global rank — multi-year chart and annual table below.
lnt · market cap & enterprise value · FMP · as of Jun 8, 2026
Core market cap & key metrics
As of Jun 8, 2026, Alliant Energy Corporation (LNT) has a market cap — also referred to as its net worth or valuation — of $18.7B, making it one of the top most valuable companies globally. Market Cap = $72.44 × shares outstanding.
Market cap history — by year
* 2026 = year-to-date · Year-end market cap · Source: FMP
Market cap by year
Compared to Peers
View Utilities sectorAbout Market Cap, Net Worth & Valuation
Alliant Energy Corporation (LNT) has a market cap — also referred to as its net worth or valuation — of $18.7B as of Jun 8, 2026, making it the #0 most valuable company globally. Market Cap = Stock Price × Shares Outstanding.
Alliant Energy Corporation reached its all-time high market cap of $17.0B on May 1, 2026. Comparing the Alliant Energy Corporation market cap history illustrates one of the most extraordinary corporate growth stories.
Investors frequently compare Alliant Energy Corporation net worth vs peers and ask how Alliant Energy Corporation valuation compares to other countries. Its market cap reflects continued investor confidence.
Frequently Asked Questions
LNT market cap · 6 questionsAlliant Energy Corporation's net worth — measured as market capitalization — is $18.7B as of Jun 8, 2026. It ranks #0 globally. Market Cap = $$72.44 (price) × shares outstanding.