Buffett’s Berkshire Hathaway revealed last week that it bought a stake in the health insurer in the second quarter.

UnitedHealth Group has attracted major contrarian investors like Buffett, Burry, and Simons. Click here to read why UNH stock ...

Warren Buffett is dialing back his favorite investment, selling a chunk of Apple Inc. (NASDAQ:AAPL) stock while praising CEO ...

Buffett, through Berkshire, bought more than 5 million shares of the managed care company, worth an estimated $1.6 billion.