As of May 2026 Plains GP has a market cap of NZ$9.21 Billion. This makes Plains GP the world's 2996th 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 May 13th, 2026 the market cap of Plains GP was reported to be: