Warren Buffett Just Invested $3.9 Billion in 12 Stocks. Here's the Best of the Bunch. Buffett and his team bought 12 stocks in Q2, including initiating three new positions. The best of the bunch appears to be Buffett's biggest purchase in Q2.

While the "vote of confidence" from Buffett's investment validates the long-term value of UnitedHealth shares, the "management needs to regain trust and credibility with investors, and get back to its beat and raise reputation of the past," said James Harlow, senior vice president at Novare Capital Management.

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.