UnitedHealth's newly returned CEO, Stephen Hemsley, will likely face investor scrutiny over the largest U.S. health insurance and services company's efforts to rein in the elevated medical costs behind the withdrawal of its annual forecast.

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.

Berkshire’s Big Bet on UnitedHealth Berkshire Hathaway’s (NYSE:BRK-A)(NYSE:BRK-B) release yesterday of its latest 13F filing sent ripples through the market as it revealed a new 5 million share stake in UnitedHealth Group (NYSE:UNH) worth approximately $1.

Year to date, the stock has fallen by nearly 45%, which is by no means normal for the healthcare stock. In fact, this is the worst it has performed since the Great Recession, when it tumbled by more than 54% in 2008.

UnitedHealth's yield is typically less than 2%, but nowadays, it's well over 3%. The stock experienced a steep decline in value this year as its financials underwhelmed investors. Rising costs, utilization rates,

Today, we're looking at Warren Buffett's Berkshire Hathaway's (BRK-B) decision to sell Apple (AAPL) shares while adding UnitedHealth Group (UNH) shares. Editor's note: This post was updated to reflect the proper name for UnitedHealth Group.

In less than a month, this corporate giant had lost more than half its value. “This is a stock that every growth-oriented portfolio manager in the world owned for a decade and made money on it like clockwork,” Whit Mayo, an analyst at the Leerink healthcare investment bank, told Fortune at the time. “It’s stunning. It’s unthinkable.”

UnitedHealth Group confirmed Thursday that its Medicare program is under investigation by the US Department of Justice and that it is working with the agency.

Even though Warren Buffett seems to think the value of UnitedHealth stock is about right, that doesn’t mean investors should ignore the long list of unresolved issued facing the company.