Buffett's Google bet comes 2 decades after billionaire investor 'inspired' search giant's IPO

Berkshire Hathaway disclosed it owns roughly $4.3 billion of Alphabet as of the end of Q3, its 10th-largest equity holding, a rare and notable technology bet that lifted Alphabet shares about 3%; it is the first known Berkshire stake in Google. The purchase follows Warren Buffett's past admissions of regret for missing early stakes in big tech and comes while Apple remains Berkshire's largest holding. The move signals endorsement of Alphabet's improving fundamentals — a first $100 billion revenue quarter driven by cloud and AI, a $155 billion cloud backlog and new AI-focused chips — and is striking given Alphabet's relatively lower forward valuation (about 26x) versus some AI-driven megacap peers.

Analysis

Berkshire Hathaway disclosed a roughly $4.3 billion position in Alphabet at the end of Q3, making it Berkshire's 10th-largest equity holding and marking the first known stake in Google; the announcement drove Alphabet shares about 3% higher on Monday. The move is notable because Berkshire has historically been reluctant to buy high-growth tech names, and it follows Warren Buffett's prior acknowledgements of regretting missed early investments in Google and Amazon. Alphabet reported its first $100 billion revenue quarter in Q3, with cloud-led growth, a $155 billion cloud backlog and a new line of AI-focused chips cited as competitive differentiators driving its 50% YTD share gain and near all-time-high trading. Valuation context shows Alphabet trading at ~26x next year’s earnings versus peer multiples such as Microsoft at 32x, Broadcom at 51x and Nvidia at 42x, implying a relative-value argument for investors but also reflecting differing business mixes and AI exposure. Buffett’s announced CEO transition at year-end to Greg Abel and Berkshire’s historical pattern of late but influential positioning introduce both potential endorsement value and uncertainty about follow-on buying or strategy changes by the conglomerate.

Key Decisions for Investors

• Consider increasing selective exposure to Alphabet given Berkshire’s endorsement combined with the company’s $100 billion revenue quarter, $155 billion cloud backlog and attractive ~26x forward valuation, but size positions incrementally rather than allocating based solely on the disclosure
• Monitor upcoming catalysts — Q4 results, cloud backlog conversion metrics, AI chip adoption and any further Berkshire filings — as these will validate whether the stake reflects longer-term accumulation or a one-time holding
• If holding gains have already materialized (stock up ~50% YTD and near highs), implement disciplined risk management such as predefined profit-taking levels or protective puts rather than unhedged add-ons
• Compare relative-value opportunities among AI-exposed megacaps given differing forward multiples and business models; reallocate only after assessing near-term earnings visibility and cloud/AI revenue trajectories