As of September 2026 Meta Platforms (Facebook) has a market cap of $1.888 Trillion USD. This makes Meta Platforms (Facebook) the world's 8th 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 Sep 20th, 2026 the market cap of Meta Platforms (Facebook) was reported to be: