Alphabet first crossed a US$1 trillion market capitalization on January 16, 2020. Alphabet is the parent company of Google and reached the threshold as its Class A and Class C shares rose in New York trading.
Google’s advertising business supplied most of Alphabet’s revenue, while Google Cloud, YouTube, and other ventures contributed additional growth. Investors valued the company as both a dominant internet platform and a major technology research organization.
Alphabet joined Apple, Microsoft, and Amazon in the trillion-dollar group. The milestone referred to the combined equity value of Alphabet’s publicly traded share classes, not just the value of Google’s search engine.
Market capitalization can differ slightly between data providers because they may count shares outstanding at different times. News reports generally use the quoted share count and price available during the trading session.