
Dallas, Texas-based Atmos Energy Corporation (ATO) distributes natural gas. With a market cap of $26.6 billion, the company provides natural gas marketing and procurement services to large customers, as well as manages storage and pipeline assets.
Shares of this natural gas distributor have outperformed the broader market over the past year. ATO has gained 27.2% over this time frame, while the broader S&P 500 Index ($SPX) has rallied nearly 14.3%. In 2025, ATO stock is up 18.8%, surpassing the SPX’s 9.5% rise on a YTD basis.