As of January 2026 Plains GP has a market cap of โน401.95 Billion. This makes Plains GP the world's 3285th 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 Jan 7th, 2026 the market cap of Plains GP was reported to be: