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.

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

Berkshire Hathaway just disclosed that it dumped $1.6 billion into a sinking ship, and Wall Street instantly paid attention.

Berkshire Hathaway’s portfolio added six new stocks, including the three new secret stocks. Warren Buffett was a net seller of stocks for the eleventh straight quarter.

UnitedHealth (UNH) stock climbed 6.7% in Thursday afternoon trading after Warren Buffett's Berkshire Hathaway (BRK.B) (BRK.A) disclosed that it acquired a new stake in the health insurer during Q2 2025.

Warren Buffett's Berkshire Hathaway disclosed on Thursday a new investment in UnitedHealth Group after the insurer became a target for many Americans upset over the direction of the nation's healthcare.

Warren Buffett’s Berkshire Hathaway (NYSE: BRK.B) just revealed its highly anticipated buys and sells of Q2 2025. Understandably, all the focus is on the Oracle of Omaha’s purchase of more than 5 million shares in UnitedHealth Group (NYSE: UNH).

UnitedHealth Group ($UNH) stock rallied about 12% on Friday, as Warren Buffett’s Berkshire Hathaway (BRK.A) (BRK.B) and other hedge funds,