Alliant Energy Corp. engages in the provision of regulated electricity and natural gas service to natural gas customers in the Midwest through its two public utility subsidiaries. It operates through the Utility and ATC Holdings, Non-Utility, Parent, and Other segments. The Utility segment includes the operations of IPL and WPL, which primarily serve retail customers in Iowa and Wisconsin. The ATC Holdings, Non-Utility, Parent, and Other segment refers to the operations of AEF and its subsidiaries, Corporate Services, the Alliant Energy parent company, and any Alliant Energy parent company consolidating adjustments. The company was founded in 1981 and is headquartered in Madison, WI.
Sector:
Utilities
Industry:
Electric Utilities
Employees:
2,998
Frequently Asked Questions
What is Market Cap of Alliant Energy Corp.?
Market cap, also known as market capitalization, is the total market value of a company. It’s calculated by multiplying the current market price by the total number of shares outstanding. Alliant Energy Corp. market cap is $16.67B.
What is the 52-week high for Alliant Energy Corp.?
52 week high is the highest price of a stock in the past 52 weeks, or one year. Alliant Energy Corp. 52 week high is $67.11 as of September 13, 2025.
What is the 52-week low for Alliant Energy Corp.?
52 week low is the lowest price of a stock in the past 52 weeks, or one year. Alliant Energy Corp. 52 week low is $56.08 as of September 13, 2025.
What is Alliant Energy Corp. stock price today?
Alliant Energy Corp. stock price today is $64.86.
What was Alliant Energy Corp. stock price yesterday?
Alliant Energy Corp. stock price yesterday was $64.66.
What is the PE ratio of Alliant Energy Corp.?
The Price-to-Earnings (or P/E) ratio is a commonly used tool for valuing a company. It’s calculated by dividing the current share price by the earnings per share (or EPS). It can also be calculated by dividing the company’s Market Cap by the Net Profit. Alliant Energy Corp.’s P/E ratio is 20.04.
What is the Price-to-Book ratio of Alliant Energy Corp.?
The Price-to-Book (P/B) ratio is a commonly used tool for valuing a company. It’s calculated by dividing a company’s market capitalization by its book value. Alliant Energy Corp. P/B ratio is 2.3294.
What is the 50-day moving average of Alliant Energy Corp.?
The 50-day moving average is a frequently used data point by active investors and traders to understand the trend of a stock. It’s calculated by averaging the closing stock price over the previous 50 trading days. Alliant Energy Corp. 50-day moving average is $64.55.