This investment signifies Buffett's re-entry into UNH after liquidating his entire position back in 2010, indicating that he perceives significant value at

Buffett, through Berkshire, bought more than 5 million shares of the managed care company, worth an estimated $1.6 billion. Meanwhile, Michael Burry, who became famous in the book and movie The Big Short for his bet against subprime mortgages, bought 20,000 shares. Billionaire David Tepper also increased his stake in the name during the quarter.

UnitedHealth Group (UNH) stock is still down 40% YTD but has surged more than +20% this month following reports that Warren Buffett, and other billionaire hedge fund managers have taken a stake in the company.

Shares of UnitedHealth Group are surging before the market open Friday as Warren Buffett's Berkshire Hathaway disclosed that it recently purchased shares of the beleaguered insurer.

Following an investment by Warren Buffett's Berkshire Hathaway, many eyes are on the healthcare insurer these days.

UnitedHealth Group completed its $3.3 billion purchase of Baton Rouge-based Amedisys Thursday morning, more than two years after plans to join the nation's two largest home health and hospice care companies were first announced.

The company may be under criminal investigation for alleged irregularities in its Medicare business—but it's been touched by the Warren Buffett effect.

Meanwhile, the healthcare giant pays an $8.84 annual dividend, yielding about 3.38%. UnitedHealth has raised its dividend for 15 consecutive years, including a 5.2% increase last quarter. You're collecting a sizable yield backed by roughly $30 billion in annual operating cash flow, giving you steady income while you wait for the recovery.

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.

The seller was Amulet Capital Partners L.P., a private equity firm based in Greenwich, Conn. Amulet founded U.S. Digestive Health in 2019. The sale price to UnitedHealth was not disclosed.