As of February 2026 CMS Energy has a market cap of โฌ19.83 Billion. This makes CMS Energy the world's 1047th 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: