As of December 2025 Kinder Morgan has a market cap of ยฃ45.43 Billion. This makes Kinder Morgan the world's 373th 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 Dec 9th, 2025 the market cap of Kinder Morgan was reported to be: