As of December 2025 Kinder Morgan has a market cap of โฌ50.50 Billion. This makes Kinder Morgan the world's 388th 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 10th, 2025 the market cap of Kinder Morgan was reported to be: