Warren Buffett's Successor, Greg Abel, Just Sold 16 Stocks, but Piled Into an AI Titan That's Now a Top-5 Position for Berkshire Hathaway

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Sean Williams, The Motley Fool

Mon, May 18, 2026 astatine 4:26 AM CDT 4 min read

Big changes are afoot astatine Berkshire Hathaway (NYSE: BRKA)(NYSE: BRKB). With Warren Buffett retiring arsenic CEO connected Dec. 31, 2025, the baton was handed to his longtime understudy, Greg Abel. Though the Oracle of Omaha remains seat of the board, Abel has the last accidental connected Berkshire's day-to-day operations and its monolithic concern portfolio.

On May 15, Form 13F filings uncovered that Abel's archetypal 4th successful complaint was a engaged one. He wholly exited 16 positions and made artificial quality (AI) titan Alphabet (NASDAQ: GOOGL)(NASDAQ: GOOG) a top-five holding.

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Warren Buffett surrounded by radical   astatine  Berkshire Hathaway's yearly  shareholder meeting.

Warren Buffett retired arsenic Berkshire Hathaway's CEO connected Dec. 31, 2025. Image source: The Motley Fool.

A historically pricey marketplace apt had Abel moving for the exit

Although changes were expected with Abel successful charge, 1 undeniable similarity helium shares with Warren Buffett is simply a tendency to get a bully deal. While Buffett occasionally bent oregon broke 1 of his unwritten investing rules, helium ne'er chased a banal helium didn't comprehend arsenic a value. Abel shares this philosophy.

During the archetypal quarter, Abel oversaw the implicit merchantability of 16 stocks, including Amazon, Domino's Pizza, UnitedHealth Group, Visa, and Mastercard. While it's improbable helium thinks little of these businesses oregon their absorption teams, worth is an undeniable contented amid a historically costly banal market.

For 14 consecutive quarters (13 with Buffett arsenic CEO), Berkshire Hathaway has been a nett seller of stocks, to the cumulative tune of astir $195 billion.

The market-cap-to-GDP ratio, amended known arsenic the Buffett indicator, deed a grounds precocious of 235% past week. This valuation tool, which Buffett erstwhile referenced arsenic "probably the champion azygous measurement of wherever valuations basal astatine immoderate fixed moment," has averaged 88% since December 1970.

Finding worth has been challenging, arsenic Abel's selling spree indicates.

An technologist  checking wires and switches connected  a information  halfway  server tower.

Image source: Getty Images.

AI juggernaut Alphabet is present a halfway holding

But possibly the bigger communicative of Abel's archetypal 4th astatine the helm isn't that 16 positions were jettisoned -- it's that 1 of Wall Street's astir salient artificial quality companies, Alphabet, was promoted to a top-five presumption successful Berkshire Hathaway's portfolio.

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