As of May 2026 Southern Company has a market cap of A$151.36 Billion. This makes Southern Company the world's 203th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On May 3rd, 2026 the market cap of Southern Company was reported to be: