Market capitalization of Alphabet (Google) (GOOG) Market cap: $3.987 Trillion USD As of January 2026 Alphabet (Google) has a market cap of $3.987 Trillion USD. This makes Alphabet (Google) the world’s 2nd 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 …

