Big changes are unfolding at Berkshire Hathaway as Warren Buffett prepares for his retirement as CEO on December 31, 2025. The reins have officially been handed over to Greg Abel, Buffett’s long-time protégé. While Buffett will remain as the chair of the board, Abel is now responsible for the day-to-day operations and the substantial investment portfolio of the conglomerate.
Recent filings revealed that Abel’s inaugural quarter was surprisingly active, marked by a complete exit from 16 positions and a significant investment in Alphabet, the parent company of Google. This addition has propelled Alphabet into Berkshire’s top-five holdings, signaling a strategic pivot under Abel’s leadership.
As the market experiences elevated valuations, Abel’s actions reflect a cautious approach typical of both him and Buffett. Abel executed the complete sale of several well-known stocks, including Amazon, Domino’s Pizza, UnitedHealth Group, Visa, and Mastercard. This flurry of sell-offs seems less about a dim view of these companies and more about market valuation concerns. Berkshire Hathaway has now been a net seller of stocks for 14 consecutive quarters, totaling approximately $195 billion in divestments.
The valuation environment appears daunting, as the market-cap-to-GDP ratio, also called the Buffett indicator, reached a historic 235%. This metric is considered a reliable gauge of market valuations; the average since December 1970 has been around 88%. The elevated readings suggest that finding worthwhile investment opportunities may be increasingly difficult, prompting Abel’s selling spree.
In contrast, the decision to boost Berkshire’s investment in Alphabet aligns with a long-standing viewpoint regarding the tech giant’s formidable position in the market. Abel’s recent filing indicates that the company acquired over 36 million Class A shares and more than 3 million Class C shares, increasing its stake in Alphabet by 204% since the previous quarter.
Alphabet has maintained its dominance in the internet search market, with Google capturing approximately 89% to 93% of global internet search traffic over the last decade. However, it is the expansion of Google Cloud, particularly with its integration of generative AI, that presents a potentially lucrative growth avenue. The high margins associated with cloud services could soon allow Google Cloud to emerge as Alphabet’s primary source of revenue.
Abel’s selection of Alphabet as a core holding reflects a strategic focus on companies with sustainable business models, strong management teams, and solid balance sheets. Alphabet checks all these boxes while also presenting a value proposition in an otherwise pricey market. The move signifies a notable shift in Berkshire Hathaway’s portfolio philosophy under Abel, with technology stocks increasingly taking center stage.
Investors contemplating whether to buy Alphabet shares should weigh the insights of expert analysis. Initial recommendations have highlighted other stocks projected to yield substantial returns, emphasizing the importance of thorough research and consideration in the current market landscape.
As Berkshire Hathaway transitions into a new era, the company’s investment strategy under Greg Abel promises to meld the seasoned wisdom of Buffett with a keen eye on emerging sectors like artificial intelligence. This evolution reflects not just the changing of the guard, but also a responsive approach to a dynamic market environment.


