TheStreet. Warren Buffett is arguably the most successful investor of all time. He's amassed an amazingly massive net worth ...

Warren Buffett turned a $40 billion Apple investment into $150+ billion, marking his most profitable investment ever. Learn ...

Berkshire Hathaway's $1.6 billion stake in UnitedHealth Group is helping to lift the Dow Jones Industrial Average to a new ...

Buffett owned UnitedHealth shares before selling his stake in 2010, though his Berkshire Hathaway recently acquired shares.

Shares of UnitedHealth Group surged nearly 14% on Friday after billionaire Warren Buffett's Berkshire Hathaway bought 5 ...

Berkshire Hathaway has built up sizable investments in a handful of companies, according to a filing released on Thursday.

Berkshire Hathaway's latest SEC filing revealed that the company has taken a $1.6 billion stake in UnitedHealth Group.

Berkshire purchases often boost stocks. Shares of the steel maker were rising 6% on Friday to $153 a share, while S&P 500 and ...

Warren Buffett's Berkshire Hathaway built a $1.6 billion stake in UnitedHealth last quarter, marking one of its last wagers ...

In May, a 13F filing revealed that Berkshire Hathaway was buying mystery stocks. Now, at last, we know what they are.

Warren Buffett’s Berkshire Hathaway resumed selling shares of Apple in the second quarter, offloading a stake worth more than ...

Warren Buffett’s Berkshire Hathaway revealed a position in embattled healthcare giant UnitedHealth Group while showing ...