Alliant Energy (LNT)
What the price implies
A reverse DCF: instead of guessing a fair value, it asks what growth today's price already assumes. How it works.
Fundamental grade
Five factors scored 1 to 9 from LNT's latest numbers, weighted into one grade. It describes the business, not whether the stock is a buy.
Key numbers
Results from SEC filings
Fiscal years, from Alliant Energy's 10-K filings. The deep dive has 15+ years, quarters and every line.
| Fiscal year | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Revenue | $3.7B | $4.2B | $4.0B | $4.0B | $4.4B |
| Net income | $674M | $686M | $703M | $690M | $810M |
| Free cash flow | -$587M | -$998M | — | — | — |
| EPS (diluted) | $2.63 | $2.73 | $2.78 | $2.69 | $3.14 |
| Operating margin | 21.7% | 22.1% | 23.4% | 22.3% | 23.5% |
Where the revenue comes from
Revenue by segments, fiscal 2025.
Superinvestors who own LNT
From each investor's latest 13F filing (what a 13F shows). 3 of the investors we track hold it.
| Investor | Last quarter | Value | % of portfolio | Quarter |
|---|---|---|---|---|
| Joel Greenblatt Gotham Asset Management |
Added | $49M | 0.11% | Q2 2026 |
| Cliff Asness AQR Capital Management |
Added | $21M | 0.01% | Q2 2026 |
| Mario Gabelli GAMCO Investors |
Held | $858,797 | 0.01% | Q2 2026 |
Insider buying
Open-market purchases by Alliant Energy's executives and directors in the last 12 months, from SEC Form 4 filings. What insider buying tells you.
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In the full deep dive
Questions
Are Alliant Energy insiders buying the stock?
No open-market insider purchases of LNT in the last 12 months, according to SEC Form 4 filings.
Which superinvestors own Alliant Energy?
3 of the superinvestors Investingly tracks hold LNT in their latest 13F, including Joel Greenblatt, Cliff Asness, Mario Gabelli.
Prices and ratios as of Oct 7, 2026; statements from SEC filings. Information only, not investment advice. Superinvestor holdings come from 13F filings, which are filed up to 45 days after each quarter ends.