As of February 2026 CMS Energy has a market cap of โน2.129 Trillion. This makes CMS Energy the world's 1049th 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 Feb 23rd, 2026 the market cap of CMS Energy was reported to be: