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 conglomerate sold Apple shares during the second quarter, though the iPhone maker remains Berkshire’s largest stockholding.

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.

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),

The Omaha-based conglomerate bought more than 5 million shares in the healthcare firm for a stake worth about $1.6 billion at the end of June.

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.

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

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 disclosed on Thursday a new investment in UnitedHealth Group after the insurer became a target for many Americans upset over the direction of the nation's healthcare.

A look at the updated Berkshire Hathaway portfolio after the second quarter, including a new stake in UnitedHealth.

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.