Alphabet becomes fourth company to reach $3 trillion market capNEW!MenuselectSearch quotes, news & videosMenuAlphabet becomes fourth company to reach $3 trillion market capPublished Mon, Sep 15 202510:10 AM EDTUpdated Mon, Sep 15 20254:19 PM EDTKey PointsGoogle parent Alphabet reached a market cap of $3 trillion.The company added billions of dollars in value in September following a favorable antitrust ruling.The milestone comes a little over 20 years after Google's market debut and 10 years after the creation of Alphabet. In this articleFollow your favorite stocksCREATE FREE ACCOUNTGoogle CEO Sundar Pichai gestures to the crowd during Google's annual I/O developers conference in Mountain View, California on May 20, 2025. Camille Cohen | Afp | Getty Images has joined the $3 trillion club.Shares of the search giant jumped more than 4% on Monday, pushing the company into territory occupied only by , and .The company ended the day with a market capitalization of $3.05 trillion by market's close.The stock got a big lift in early September from an antitrust by a judge, whose penalties came in lighter than shareholders feared. The U.S. Department of Justice wanted Google to be forced to divest its Chrome browser, and last year a district court ruled that the company held an illegal and related advertising.But Judge decided against the most severe consequences proposed by the DOJ, which sent shares soaring to a record. After the big rally, President congratulated the company and it "a very good day."Read more CNBC tech newsAlphabet shares are now up more than 30% this year, compared with the 15% gain for the Nasdaq.The $3 trillion milestone comes roughly 20 years after Google's IPO and a little more than 10 years after the of Alphabet as a holding company, with Google its prime subsidiary.CEO Sundar Pichai was of Alphabet in 2019, succeeding co-founder Larry Page. Pichai's latest challenge has been the surge of new competition due to the rise of artificial intelligence, which the company has had to manage through while also fending off an aggressive set of regulators in the U.S. and Europe.The rise of Perplexity and OpenAI ended up Google land the recent favorable antitrust ruling. The company's hopes of becoming a major artificial intelligence player largely ride with Gemini, Google's flagship suite of AI models.Don’t miss these insights from CNBC PROWATCH: watch nowVIDEO1:0401:04EU fines Google almost $3 billion over AdTech practices, reports sayNews TipsGot a confidential news tip? We want to hear from you.CNBC NewslettersSign up for free newsletters and get more CNBC delivered to your inboxGet this delivered to your inbox, and more info about our products and services.Advertise With Us© 2025 CNBC LLC. All Rights Reserved. , Google parent Alphabet reached a market cap of $3 trillion. The company added billions of dollars in value in September following a favorable antitrust ruling. The milestone comes a little over 20 , Google’s parent, Alphabet, reached a $3 trillion market valuation for the first time on Monday, entrenching its place in the ranks of the world’s most valuable companies and signaling the .