The Oracle of Omaha sent two-thirds of his company's largest investment holding packing in favor of a 7.7% stake in a steadily growing, consumer-facing business.

Warren Buffett's Berkshire Hathaway built a $1.6 billion stake in UnitedHealth last quarter, marking one of its last wagers with the investor as CEO.

The most significant addition was UnitedHealth Group Inc (NYSE:UNH), with 5,039,564 shares, accounting for 0.61% of the portfolio and a total value of $1.572 billion. The second largest addition to the portfolio was Lamar Advertising Co (NASDAQ:LAMR),

UnitedHealth has been the Dow’s worst performer of 2025, but jumped 13% Friday. Here’s why Buffett and other leading hedge funds suddenly love the stock.

Also notice that although these are six brand-new positions, they add up to about $4 billion, significantly less than the proceeds from the Apple, Bank of America, and T-Mobile sales, which is how Berkshire was still a net seller of stocks for the quarter.

Warren Buffett's top 10 stock holdings in the Berkshire Hathaway portfolio shows a preference to several sectors.

At Berkshire Hathaway’s annual meeting earlier this year, Warren Buffett showed just how much of a fan he is of Apple’s CEO, Tim Cook. “Tim Cook has made Berkshire a lot more than I have made Berkshire,” Buffett said to laughter in the room. It was funny, but considering that Apple is Berkshire’s largest holding, I don’t think it was hyperbole.

Warren Buffett’s Berkshire Hathaway resumed selling shares of Apple in the second quarter, offloading a stake worth more than $4bn as the billionaire investor continued to cut one of his most profitable trades.

However, Buffett has a keen eye for value and he never wants to overpay for a stock -- not even his own. Berkshire is currently trading at a price-to-sales ratio (P/S) of 2.5, which is a huge 25% premium to its 10-year average of 2.