Berkshire Hathaway’s Tech Tilt Grows Under Greg Abel as AI Holdings Near a Third of Portfolio

Berkshire Hathaway (NYSE: BRKA, BRKB) has long been known for avoiding flashy technology bets, preferring consumer staples, energy, and financial businesses whose cash flows are easier to forecast. But under Greg Abel, who took over as chief executive at the start of 2026, the Omaha conglomerate’s public equity book is showing a noticeably different shape.

According to the company’s disclosures, 30.7% of Berkshire’s $365 billion public equities portfolio was concentrated in just two artificial intelligence-related holdings as of Sept. 16 — a striking level of concentration for a firm historically associated with diversification across traditional industries. Abel has publicly signaled confidence in these dominant businesses, suggesting the portfolio shift reflects deliberate strategy rather than passive drift.

The move comes as AI infrastructure spending continues to reshape capital allocation across corporate America, with chips, data centers, and cloud platforms commanding unprecedented investment. Even conservative, value-oriented investors like Berkshire are adjusting to an economic backdrop where technology increasingly drives earnings growth.

Berkshire’s evolution also coincides with a broader maturation of technology-adjacent public markets. Digital-asset and fintech names, for instance, have drawn renewed attention: crypto-exchange operator Bullish (NYSE: BLSH) recently traded at $37.74, up 8.14% from its previous close of $34.90, giving the company a market capitalization of roughly $5.7 billion. While Berkshire has no disclosed stake in such firms, the appetite for AI- and digital-economy exposure among institutional investors underscores the environment Abel is navigating.

Abel faces the considerable task of stepping out of Warren Buffett’s shadow while deploying one of the largest investment portfolios in the world. His early tenure suggests a willingness to let Berkshire’s technology positions do more heavy lifting than the firm’s traditional holdings — a quiet but meaningful departure from decades of convention. Whether the concentration in two mega-cap AI names proves durable, or gets trimmed as valuations shift, will be closely tracked by analysts who view Berkshire’s filings as a bellwether for institutional sentiment.

For now, the conglomerate’s core identity — insurance operations, railroads, energy utilities, and a large cash reserve — remains intact. But the equity portfolio’s center of gravity has clearly moved.

What to watch

• Berkshire Hathaway’s next 13F filing, which will reveal whether the ~31% two-stock concentration increased or decreased in the most recent quarter.
• Abel’s first full-year shareholder letter and Berkshire’s annual meeting commentary on technology investing philosophy.
• Broader AI-sector earnings reports from major chipmakers and cloud providers, which influence the valuations of Berkshire’s largest holdings.

Source: original release