LNT · NASDAQ
Alliant Energy (LNT) Stock Price & Fundamentals
Alliant Energy (LNT) closed at $317.99 on Oct 9, 2026, down 1.09% from the previous close of $321.50.
Share price, past year
1Y −3.08%Monthly closing prices
| Date | Close |
|---|---|
| Oct 9, 2026 | $317.99 |
| Sep 30, 2026 | $327.68 |
| Aug 31, 2026 | $316.42 |
| Jul 31, 2026 | $317.32 |
| Jun 30, 2026 | $313.41 |
| May 29, 2026 | $309.80 |
| Apr 30, 2026 | $308.46 |
| Mar 31, 2026 | $304.88 |
| Feb 27, 2026 | $306.89 |
| Jan 30, 2026 | $300.87 |
| Dec 31, 2025 | $302.05 |
| Nov 28, 2025 | $331.11 |
| Oct 31, 2025 | $338.39 |
Key statistics
- Market cap
- $82.13B
- P/E (TTM)
- 100.0
- EPS (TTM)
- $3.18
- Revenue (TTM)
- $4.42B
- Net income (TTM)
- —
- Shares outstanding
- 258.3M
- Dividend yield
- —
- 52-week range
- $295.93 – $338.94
Alliant Energy's market cap is $82.13B, based on a share price of $317.99 and 258.3M shares outstanding as of Mar 31, 2026.
Financials
Alliant Energy reported revenue of $4.36B for fiscal 2025, up 9.57% from fiscal 2024.
Alliant Energy earned net income of $810.00M in fiscal 2025, a net margin of 18.6%.
Fiscal 2025 revenue was the highest in the 10 years shown.
Annual revenue
| Fiscal year | Revenue | Growth | Net income | Net margin | EPS (diluted) | Free cash flow |
|---|---|---|---|---|---|---|
| FY2025ended Dec 31, 2025 | $4.36B | +9.6% | $810.00M | 18.6% | $3.14 | — |
| FY2024ended Dec 31, 2024 | $3.98B | −1.1% | $690.00M | 17.3% | $2.69 | — |
| FY2023ended Dec 31, 2023 | $4.03B | −4.2% | $703.00M | 17.5% | $2.78 | — |
| FY2022ended Dec 31, 2022 | $4.21B | +14.6% | $686.00M | 16.3% | $2.73 | −$998.00M |
| FY2021ended Dec 31, 2021 | $3.67B | +7.4% | $674.00M | 18.4% | $2.63 | −$587.00M |
| FY2020ended Dec 31, 2020 | $3.42B | −6.4% | $624.00M | 18.3% | $2.47 | −$865.00M |
| FY2019ended Dec 31, 2019 | $3.65B | +3.2% | $567.00M | 15.5% | $2.33 | −$980.00M |
| FY2018ended Dec 31, 2018 | $3.53B | +4.5% | $522.00M | 14.8% | $2.19 | −$1.11B |
| FY2017ended Dec 31, 2017 | $3.38B | +1.9% | $467.50M | 13.8% | $1.99 | −$945.30M |
| FY2016ended Dec 31, 2016 | $3.32B | — | $381.70M | 11.5% | $1.64 | −$804.00M |
| Quarter | Revenue | Net income | EPS (diluted) |
|---|---|---|---|
| Q1 FY2026ended Mar 31, 2026 | $1.18B | $224.00M | $0.87 |
| Q4 FY2025ended Dec 31, 2025 | $1.06B | — | $0.54 |
| Q3 FY2025ended Sep 30, 2025 | $1.21B | — | $1.09 |
| Q2 FY2025ended Jun 30, 2025 | $961.00M | — | $0.68 |
| Q1 FY2025ended Mar 31, 2025 | $1.13B | $213.00M | $0.83 |
| Q4 FY2024ended Dec 31, 2024 | $975.00M | — | $0.58 |
| Q3 FY2024ended Sep 30, 2024 | $1.08B | — | $1.15 |
| Q2 FY2024ended Jun 30, 2024 | $894.00M | — | $0.34 |
Company profile
- Name
- Alliant Energy Corporation
- Ticker
- LNT
- Exchange
- NASDAQ
- Industry (SEC SIC)
- Electric & Other Services Combined
- Headquarters
- 4902 North Biltmore Lane, Suite 1000, Madison, WI 53718-2148
- Incorporated in
- WI
- Fiscal year ends
- December
- SEC CIK
- 0000352541
Recent SEC filings
- Aug 21, 2026
- Jul 31, 2026
- Jul 31, 2026
- May 21, 2026
- May 1, 2026
- May 1, 2026
- Mar 19, 2026
- Mar 4, 2026
Frequently asked questions
What is Alliant Energy's stock price?
Alliant Energy (LNT) closed at $317.99 on Oct 9, 2026, down 1.09% from the previous close of $321.50.
What is Alliant Energy's market cap?
Alliant Energy's market cap is $82.13B, based on a share price of $317.99 and 258.3M shares outstanding as of Mar 31, 2026.
How much revenue does Alliant Energy make?
Alliant Energy reported revenue of $4.36B for fiscal 2025, up 9.57% from fiscal 2024.
What is LNT's P/E ratio?
Alliant Energy's price-to-earnings ratio is 100.0, based on trailing twelve-month diluted EPS of $3.18.
Does Alliant Energy pay a dividend?
Alliant Energy's recent filings report no dividends declared over the last four quarters.
Sources and methodology
Fundamentals come from Alliant Energy Corporation's filings with the SEC (EDGAR XBRL company facts). Fourth-quarter figures that companies don't report separately are calculated as the fiscal year minus the first three quarters. Trailing twelve-month (TTM) figures sum the latest four quarters. Prices are generated sample data for development. Last updated Oct 9, 2026. Data sources and disclosures