With a market cap of $14.4 billion, Generac Holdings Inc. (GNRC) is a leading manufacturer of backup power generation equipment, energy technology solutions, and other power products for residential, commercial, and industrial customers. Headquartered in Waukesha, Wisconsin, the company is best known for its standby and portable generators, particularly for homes and businesses seeking protection against power outages and grid instability.
Shares of this backup power giant have outperformed the broader market over the past year. GNRC has gained 89.2% over this time frame, while the broader S&P 500 Index ($SPX) has rallied nearly 23.3%. In 2026, GNRC stock is up 78.9%, surpassing the SPX’s 7.4% YTD rise.