As of October 2026 Plains GP has a market cap of NZ$11.04 Billion. This makes Plains GP the world's 2753th 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 Oct 11th, 2026 the market cap of Plains GP was reported to be: