Alliant Energy Corporation (LNT)
NASDAQ: LNT · Real-Time Price · USD
66.31
-0.80 (-1.19%)
At close: Oct 2, 2025, 4:00 PM EDT
65.87
-0.44 (-0.66%)
After-hours: Oct 2, 2025, 6:05 PM EDT

Alliant Energy Market Cap

Alliant Energy has a market cap or net worth of $17.05 billion as of October 2, 2025. Its market cap has increased by 9.82% in one year.

Market Cap
17.05B
Enterprise Value
28.05B
1-Year Change
9.82%
Ranking
Category
Stock Price
$66.31

Market Cap Chart

Since December 1, 1998, Alliant Energy's market cap has increased from $2.34B to $17.05B, an increase of 628.90%. That is a compound annual growth rate of 7.68%.

History

DateMarket Cap% Change
Oct 1, 202517.25B13.64%
Dec 31, 202415.18B15.92%
Dec 29, 202313.09B-5.54%
Dec 30, 202213.86B-9.95%
Dec 31, 202115.39B19.58%
Dec 31, 202012.87B-2.14%
Dec 31, 201913.15B31.93%
Dec 31, 20189.97B1.18%
Dec 29, 20179.85B14.29%
Dec 30, 20168.62B21.76%
Dec 31, 20157.08B-3.92%
Dec 31, 20147.37B28.71%
Dec 31, 20135.72B17.47%
Dec 31, 20124.87B-0.45%
Dec 30, 20114.90B20.10%
Dec 31, 20104.08B21.75%
Dec 31, 20093.35B3.88%
Dec 31, 20083.22B-28.20%
Dec 31, 20074.49B2.37%
Dec 29, 20064.38B33.80%
Dec 30, 20053.28B-0.82%
Dec 31, 20043.30B19.86%
Dec 31, 20032.76B81.67%
Dec 31, 20021.52B-37.15%
Dec 31, 20012.41B-4.15%
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Market Capitalization

Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.

Formula: Market Cap = Stock Price * Shares Outstanding
Full Definition