TotalMarketCap

Alliant Energy

LNTNasdaq United StatesUtilitiesPower Generation

Market cap

$16.981 B

$65.49 +1.87%

Close of 7 Oct 2026

As of 7 Oct 2026, Alliant Energy (LNT) has a market capitalization of $17.0B. Market cap measures the value of outstanding equity at market prices; company totals combine applicable share classes. Prices and market caps come from Nasdaq, with financial fundamentals from SEC filings. See sources and calculation details.

Revenue

$4.36B

#740 by revenue

Earnings

$810.0M

#454 by earnings

Shares outstanding

258,277,037

Latest filing cover page

P/E ratio

21.0

Cap ÷ net income

Power Generation, ranked by market cap

All 20 →
  1. #10NisourceNI$19.5B
  2. #11EvergyEVRG$18.5B
  3. #12Alliant EnergyLNT$17.0B
  4. #13Entergy New OrleansENJ$8.78B
  5. #14NorthWestern Energy GroupNWE$4.24B

What if Alliant Energy were worth as much as…

Open the what-if tool →

Gold $28.8T

$111,034.07

Per share 1,695× higher

Bitcoin $1.67T

$6,441.75

Per share 98.4× higher

Nvidia $5.77T

$22,236.88

Per share 340× higher

Or at a round number

$50.0B$100.0B$200.0B$500.0B

Where these numbers come from

Share counts and financials for Alliant Energy are taken from its own SEC filings via EDGAR: public record, not an estimate. Market cap is shares outstanding multiplied by the latest close. Last updated 8 Oct 2026. Read the methodology.