As of April 2025 MPLX has a market cap of NZ$87.48 Billion. This makes MPLX the world's 376th 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 Apr 23rd, 2025 the market cap of MPLX was reported to be: