As of August 2026 Comcast has a market cap of A$127.85 Billion. This makes Comcast the world's 279th 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 Aug 10th, 2026 the market cap of Comcast was reported to be: