Alphabet Inc., the parent company of Google, briefly achieved a historic milestone on Monday, January 12. The tech giant's market valuation crossed the $4 trillion mark for the first time. This achievement places Alphabet in an exclusive club of technology titans. The company now stands alongside Nvidia, Apple, and Microsoft in this elite group.
Alphabet's Shares Reach Record High
According to a Reuters report, Class-A shares of Alphabet rose as much as 1.7% during trading. The shares hit a record high of $334.04. Throughout 2025, Alphabet's stock has shown remarkable performance. The shares surged nearly 65% over the course of the year.
Four Key Factors Behind the $4 Trillion Valuation
Several important developments contributed to Alphabet's impressive market performance. Here are the four primary factors that powered the company's ascent to the $4 trillion valuation.
1. Regulatory Victory in September
Investor confidence received a significant boost in September last year. A US judge ruled against breaking up the company. This decision allowed Alphabet to retain control of its Chrome browser and Android operating system. The regulatory win provided stability and reassured investors about the company's future structure.
2. Launch of Gemini 3.0 AI Model
The most significant driver of recent growth involves artificial intelligence. Google launched its Gemini 3.0 AI model in November. The new model received strong reviews from industry experts. A month later, the company announced Gemini 3 Flash. This represents Google's fastest AI model yet.
Alphabet also benefited from its strong cloud computing business. Cloud revenue jumped 34% in the third quarter alone. This division became one of the success drivers for the company.
3. Major Partnerships with Industry Leaders
Google secured multi-year deals with several technology industry leaders. The company reached agreements with Samsung and Apple. Reports indicate Samsung plans to double the number of mobile devices powered by Gemini features this year.
In the latest development, Apple will utilize Gemini to power the next generation of Siri. Last year, Meta reportedly struck a multi-billion dollar deal with Gemini. The partnership aims to train Meta's next generation Llama models. This development purportedly wiped $250 billion from Nvidia's market capitalization.
4. Support from Warren Buffett's Berkshire Hathaway
Google's rally gained further momentum from one of the world's most watchful investors. Warren Buffett's Berkshire Hathaway made a significant investment in Alphabet. This move signaled strong confidence in the company's long-term strategy. Buffett's endorsement carries substantial weight in investment circles.
Alphabet's aggressive push into artificial intelligence essentially positioned the company at the forefront of the global AI-led technology race. The combination of regulatory stability, innovative AI products, strategic partnerships, and investor confidence created the perfect conditions for this historic market valuation achievement.