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

Berkshire Hathaway revealed four new investments Thursday in steelmaker Nucor, insurer UnitedHealth and two of the nation's ...

Warren Buffett has added new positions in NucorNUE and UnitedHealth GroupUNH, while shedding more shares of AppleAAPL and ...

Warren Buffett's Berkshire Hathaway disclosed major new investments in steel producer Nucor ($857M) and healthcare giant ...