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Alliant Energy Corporation (LNT) Stock Price, News & Analysis

LNT NASDAQ
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Price Move History

Daily moves over 5%
0 252 sessions, September 25, 2025 to September 25, 2026
Largest daily move
-3.7% close of March 20, 2026
1-year change
-2.5% closing prices, September 25, 2025 to September 25, 2026
5-year change
+11.4% closing prices, September 24, 2021 to September 25, 2026

Company Description

Alliant Energy Corporation (NASDAQ: LNT) is a regulated energy-services company whose primary focus is providing electricity and natural gas to customers in the Midwest. According to company disclosures, its utility subsidiaries serve approximately 1,000,000 to 1,010,000 electric customers and about 430,000 natural gas customers. Alliant Energy is headquartered in Madison, Wisconsin and is a component of the S&P 500 index. Its common stock trades on the Nasdaq Global Select Market under the symbol LNT.

The company operates mainly through two public utility subsidiaries: Interstate Power and Light Company (IPL), based in Cedar Rapids, Iowa, and Wisconsin Power and Light Company (WPL), based in Madison, Wisconsin. These utilities provide regulated electric and natural gas service to customers across Iowa and Wisconsin. Alliant Energy has described the provision of regulated electricity and natural gas service in these territories as its primary business focus.

Alliant Energy also identifies itself as an energy-services provider with a core purpose to serve customers and build stronger communities. Its stated mission is to deliver energy solutions and exceptional service that customers and communities count on, with an emphasis on safety, efficiency and responsibility. In public communications, the company highlights a balanced mix of energy sources and investments in solar generation and energy storage as part of its capital plans, as well as the importance of maintaining safe and reliable service for all customers while meeting growing demand, including demand from data centers.

Beyond its utility operations, Alliant Energy has non-utility activities held through Alliant Energy Finance, LLC, the parent company of its non-utility operations. The company also notes an ownership interest in American Transmission Company (ATC) through ATC holdings, which contributes to its earnings profile. However, its regulated utility subsidiaries remain the primary drivers of its business and financial results.

Alliant Energy’s customer base includes residential, commercial and industrial users within its Iowa and Wisconsin service territories. Company statements reference contracted demand from data centers in the IPL and WPL service areas, reflecting incremental large-load growth. The company has linked higher revenue requirements and capital investments to projects such as solar generation and energy storage, and to infrastructure needed to serve new and existing customers.

Alliant Energy emphasizes a long record of returning cash to shareholders through dividends. The Board of Directors has declared quarterly cash dividends for many decades, and the company reports that dividends on its common stock have been paid for more than 320 consecutive quarters since 1946. Alliant Energy is recognized as a member of the S&P 500 Dividend Aristocrats Index, reflecting its history of dividend payments and increases over an extended period.

In addition to its S&P 500 membership, Alliant Energy reports that it is included in Bloomberg’s Gender-Equality Index. The company also publishes a Corporate Responsibility Report that discusses sustainability data, a balanced mix of energy sources, employee engagement and community impact, including financial contributions and volunteer hours provided by the company, its employees, retirees and its charitable foundation.

Alliant Energy and its utility subsidiaries access capital markets to support their regulated operations and capital expenditure plans. Recent disclosures describe public offerings of long-dated debentures by WPL and senior debentures by IPL, as well as junior subordinated notes issued by Alliant Energy Corporation. The proceeds of these offerings are generally intended for purposes such as reducing outstanding commercial paper, retiring long-term debt and funding general corporate purposes, including capital investments.

From a regulatory standpoint, Alliant Energy’s utilities operate under state commissions in their respective jurisdictions. Company communications reference rate reviews and authorized base rate increases for IPL and WPL that support recovery of and return on capital investments, including investments in solar generation and energy storage. The company also discusses the role of regulatory approvals, rate design and assumptions such as normal temperatures and stable economic conditions in shaping its earnings guidance.

Alliant Energy’s public statements outline several factors that can influence its financial performance, including weather effects on utility sales, customer-owned generation, energy efficiency, economic conditions in its service territories, fuel and purchased power costs, access to transmission capacity, and the timing and cost of capital projects. The company also identifies potential impacts from federal and state regulatory actions, tax law changes, cybersecurity risks, supply chain conditions, inflation, interest rates and access to capital markets.

In its Corporate Responsibility and other communications, Alliant Energy highlights its role in supporting community development and economic growth. Examples include references to data center development in its service areas and local investments in what it describes as smart energy solutions. The company links these initiatives to broader goals of building stronger, more resilient communities and providing what it characterizes as measurable value grounded in trust and transparency.

Alliant Energy’s governance structure includes a Board of Directors that oversees corporate strategy, financial policy and risk management. Public filings and press releases describe Board actions such as the appointment of independent directors and changes in leadership roles at subsidiary utilities. These governance disclosures are part of the company’s regulatory reporting obligations and provide context for investors regarding oversight of its long-term strategy and operations.

Overall, Alliant Energy Corporation presents itself as a regulated utility holding company focused on providing electric and natural gas service in Iowa and Wisconsin, supported by long-term capital investment plans, a long-standing dividend track record, and stated commitments to safety, reliability, community engagement and corporate responsibility.

Stock Performance

$63.60
+0.46%
+0.29
Last updated: September 25, 2026 at 16:00
-2.5%
Performance 1 year
$16.5B

Alliant Energy Corporation (LNT) closed at $63.60 on September 25, 2026. Over the past 12 months, the price has lost 2.5%.

See what a $1,000 investment in LNT would be worth today

LNT Metrics & Rankings

Price returns through September 25, 2026. Month-to-date and YTD include the first trading day. Ranking links may use different dates.

Insider Radar

Net Sellers
90-Day Summary
0
Shares Bought
0
Shares Sold
1
Transactions
Most Recent Transaction
DURIAN ROBERT J (EVP and CFO) sold 0 shares @ $68.60 on August 10, 2026

Insider selling at Alliant Energy Corporation over the past 90 days can reflect routine portfolio management, scheduled trading plans (Rule 10b5-1), tax planning, or compensation-related dispositions rather than a directional view on the stock.

Based on SEC Form 4 filings over the last 90 days.

Financial Highlights

Alliant Energy Corporation generated $4.4B in revenue in FY2025, retaining a 85.7% gross margin, operating income reached $1.0B (23.5% operating margin), and net income was $810.0M, reflecting a 18.6% net profit margin. Diluted earnings per share stood at $3.14. The company generated $1.2B in operating cash flow. The current ratio was 0.80, measuring current assets divided by current liabilities.

$4.4B
Revenue (FY2025)
$810.0M
Net Income (FY2025)
$1.2B
Operating Cash Flow

Upcoming Events

MAR
01
March 1, 2028 Financial

Free conversion date

MAY
30
May 30, 2028 Financial

Notes maturity

Alliant Energy Corporation has 2 upcoming scheduled events. The next event, "Free conversion date", is scheduled for March 1, 2028 (in 519 days). 2 of the upcoming events are financial in nature, such as earnings calls or quarterly results. Investors can track these dates to stay informed about potential catalysts that may affect the LNT stock price.

Short Interest History

Last 12 Months

Short interest in Alliant Energy Corporation (LNT) currently stands at 24.8 million shares, up 5.1% from the previous reporting period, representing 9.7% of the float. Since September 2025, short interest has increased by 78.4%.

Days to Cover History

Last 12 Months

Days to cover for Alliant Energy Corporation (LNT) currently stands at 13.4 days, up 66% from the previous period. The ratio is the reported short interest divided by the average daily trading volume. Since September 2025, the figure has increased by 73.1%. Across the settlements charted above, it has ranged from 5.4 to 13.4 days.

LNT Company Profile & Sector Positioning

Alliant Energy Corporation (LNT) operates in the Utilities - Regulated Electric industry within the broader Utilities sector and is listed on the NASDAQ. Among dividend-paying stocks, LNT ranks #972 by dividend yield.

Investors comparing LNT often look at related companies in the same sector, including Evergy, Inc. (EVRG), Korea Electric Power Corp (KEP), Edison International (EIX), Fortis Inc. (FTS), and Ameren Corporation (AEE). Comparing financial metrics, valuation ratios, and stock performance across these peers can help investors evaluate LNT's relative position within its industry.

Frequently Asked Questions

What is the current stock price of Alliant Energy Corporation (LNT)?

The current stock price of Alliant Energy Corporation (LNT) is $63.60 as of September 25, 2026.

What is the market cap of Alliant Energy Corporation (LNT)?

The market cap of Alliant Energy Corporation (LNT) is approximately $16.5B. Learn more about what market capitalization means .

What is the revenue of Alliant Energy Corporation (LNT) stock?

The FY2025 revenue of Alliant Energy Corporation (LNT) is $4.4B, from its most recent completed fiscal year.

What is the net income of Alliant Energy Corporation (LNT)?

The FY2025 net income of Alliant Energy Corporation (LNT) is $810.0M, from its most recent completed fiscal year.

What is the earnings per share (EPS) of Alliant Energy Corporation (LNT)?

The diluted earnings per share (EPS) of Alliant Energy Corporation (LNT) is $3.14 for FY2025, its most recent completed fiscal year. Learn more about EPS .

What is the operating cash flow of Alliant Energy Corporation (LNT)?

The operating cash flow of Alliant Energy Corporation (LNT) is $1.2B. Learn about cash flow.

What is the profit margin of Alliant Energy Corporation (LNT)?

The net profit margin of Alliant Energy Corporation (LNT) is 18.6%. Learn about profit margins.

What is the operating margin of Alliant Energy Corporation (LNT)?

The operating profit margin of Alliant Energy Corporation (LNT) is 23.5%. Learn about operating margins.

What is the gross margin of Alliant Energy Corporation (LNT)?

The gross profit margin of Alliant Energy Corporation (LNT) is 85.7%. Learn about gross margins.

What is the current ratio of Alliant Energy Corporation (LNT)?

The current ratio of Alliant Energy Corporation (LNT) is 0.80, measuring current assets divided by current liabilities. Learn about liquidity ratios.

What is the gross profit of Alliant Energy Corporation (LNT)?

The gross profit of Alliant Energy Corporation (LNT) is $3.7B for FY2025, its most recent completed fiscal year.

What is the operating income of Alliant Energy Corporation (LNT)?

The operating income of Alliant Energy Corporation (LNT) is $1.0B. Learn about operating income.

What does Alliant Energy Corporation do?

Alliant Energy Corporation is a regulated energy-services company whose primary focus is providing electricity and natural gas to customers in the Midwest. Through its utility subsidiaries, it serves approximately 1,000,000 to 1,010,000 electric customers and about 430,000 natural gas customers in Iowa and Wisconsin.

Where does Alliant Energy operate?

Alliant Energy operates primarily in Iowa and Wisconsin through its public utility subsidiaries Interstate Power and Light Company (IPL) and Wisconsin Power and Light Company (WPL). These utilities provide regulated electric and natural gas service within their respective state service territories.

How is Alliant Energy structured as a company?

Alliant Energy is the parent company of two public utility companies, Interstate Power and Light Company and Wisconsin Power and Light Company, and of Alliant Energy Finance, LLC, which holds its non-utility operations. The utilities are the main contributors to the company’s business and financial results.

On which exchange is Alliant Energy stock traded and what is its ticker symbol?

Alliant Energy Corporation’s common stock is traded on the Nasdaq Global Select Market under the ticker symbol LNT. The company reports that it is a component of the S&P 500 index.

What is Alliant Energy’s dividend track record?

Alliant Energy states that dividends on its common stock have been paid for more than 320 consecutive quarters since 1946. The company is recognized as a member of the S&P 500 Dividend Aristocrats Index, reflecting its long history of dividend payments and increases.

What is Alliant Energy’s mission or core purpose?

Alliant Energy describes its mission as delivering energy solutions and exceptional service that customers and communities count on, safely, efficiently and responsibly. It also states that its core purpose is to serve customers and build stronger communities.

What role do IPL and WPL play within Alliant Energy?

Interstate Power and Light Company (IPL) and Wisconsin Power and Light Company (WPL) are Alliant Energy’s two public energy companies. They provide regulated electric and natural gas service in Iowa and Wisconsin and are the primary operating subsidiaries that support the company’s earnings and capital investment plans.

How does Alliant Energy fund its capital investments?

Alliant Energy and its utility subsidiaries access capital markets through public offerings of securities such as debentures and junior subordinated notes. Company disclosures indicate that proceeds are used to reduce outstanding commercial paper, retire long-term debt and support general corporate purposes, including capital expenditures for projects like solar generation and energy storage.

What types of customers does Alliant Energy serve?

Alliant Energy’s utilities serve a mix of residential, commercial and industrial customers in Iowa and Wisconsin. Company statements specifically reference contracted demand from data centers in IPL’s and WPL’s service areas, indicating service to large commercial and industrial users in addition to other customer classes.

How does Alliant Energy describe its approach to sustainability and community impact?

In its Corporate Responsibility Report, Alliant Energy highlights a balanced mix of energy sources, employee engagement opportunities and its impact on the communities it serves. The company reports financial contributions and volunteer hours from Alliant Energy, its employees, retirees and its charitable foundation, and links these efforts to building stronger, more resilient communities.

What risks and factors does Alliant Energy say can affect its results?

Alliant Energy identifies factors such as regulatory decisions, the ability of IPL and WPL to earn authorized rates of return, weather effects on utility sales, economic conditions in its service territories, fuel and purchased power costs, construction costs and timing, cybersecurity incidents, supply chain conditions, inflation, interest rates and changes in tax laws as potential influences on its financial performance.

Is Alliant Energy considered a major U.S. utility company?

Alliant Energy reports that it is a component of the S&P 500 index and serves approximately 1,000,000 to 1,010,000 electric customers and about 430,000 natural gas customers in Iowa and Wisconsin. Inclusion in the S&P 500 and its large regulated customer base indicate that it is a significant U.S. utility holding company.