Southern
Market cap
$107.455 B
$93.41 +0.31%
Close of 6 Nov 2026
As of 6 Nov 2026, Southern (SO) has a market capitalization of $107.5B. 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
$29.6B
#141 by revenue
Earnings
$4.34B
#113 by earnings
Shares outstanding
1,127,301,098
Latest filing cover page
P/E ratio
24.8
Cap ÷ net income
Other share classes
Southern lists more than one class of stock. Company figures above cover all classes combined.
Electric Utilities: Central, ranked by market cap
All 61 →- #1NextEra EnergyNEE$185.3B
- #2SouthernSO$107.5B
- #3Constellation EnergyCEG$85.1B
- #4American Electric PowerAEP$69.0B
- #5Dominion EnergyD$61.4B
What if Southern were worth as much as…
Open the what-if tool →Where these numbers come from
Share counts and financials for Southern are taken from its own SEC filings via EDGAR: public record, not an estimate. Market cap is shares outstanding multiplied by the latest close. Read the methodology.