Berkshire Hathaway invests $1.57B in UnitedHealth (UNH), boosting shares by 10.5%. Discover key insights on its challenges, outlook, and analyst ratings.

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

The long-running mystery around Warren Buffett’s latest stealth investment is finally over. In Berkshire Hathaway’s (NYSE: BRK.B) newest 13F filing, the Oracle of Omaha revealed a fresh stake in UnitedHealth Group Incorporated (NYSE: UNH).

Warren Buffett's Berkshire Hathaway has acquired 5 million shares in UnitedHealth Group , a regulatory filing showed on Thursday, sending the health insurer's stock up 7% in extended trading.

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

UnitedHealth Group Inc (NYSE: UNH) has transformed from Wall Street darling to crisis headline - yet ironically, a who's-who of investors are doubling down even as volatility reigns. Legendary investors are betting on UNH's recovery and analysts see potential upside despite recent struggles.

Warren Buffett’s Berkshire Hathaway revealed a position in embattled healthcare giant UnitedHealth Group while showing smaller stakes in longtime holdings Apple and Bank of America, according to a regulatory filing Thursday.

One figure from Berkshire Hathaway's latest operating results appears to be a telltale sign of trouble to come for the stock market.

Warren Buffett's mystery stock purchase has sparked speculation and a frenzy. The only certain clue is that it's not a bank, insurer, or consumer products company.

UnitedHealth shares surged Friday after Warren Buffett’s Berkshire Hathaway revealed a stake in the embattled healthcare giant. Monitor these major chart levels.