As of February 2026 CMS Energy has a market cap of A$31.58 Billion. This makes CMS Energy the world's 1077th 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 6th, 2026 the market cap of CMS Energy was reported to be: