Berkshire Hathaway has significantly reshaped its equity portfolio, with a $2.6 billion stake in Delta Airlines and a 224% increase in its position in Alphabet.

The moves, disclosed in the conglomerate's latest quarterly filings, have sent ripples through the market, with Delta and Alphabet shares showing early gains as investors reassess the implications of Warren Buffett's successor's strategic bets.

The shift reflects a broader realignment under Greg Abel, who has taken a more active approach to portfolio management since assuming the CEO role.

The Delta investment, in particular, signals a renewed focus on the travel and transportation sector, while the expanded Alphabet position underscores confidence in the tech giant's long-term growth trajectory.

This development builds on prior coverage of Berkshire's evolving strategy under Abel, who has already initiated one of the largest portfolio overhauls in the company's history.

The latest moves suggest a continued emphasis on high-conviction, long-term holdings, a hallmark of Berkshire's investment philosophy.