08:59 AM EDT, 08/15/2025 (MT Newswires) -- Health care stocks were rising premarket Friday, with the Health Care Select Sector SPDR Fund (XLV) 1.1% higher and the iShares Biotechnology ETF (IBB) up 0.4%.

UnitedHealth Group ( UNH ) shares were up over 10% after Berkshire Hathaway ( BRK/A ) (BRK.A, BRK.B) disclosed in a filing that it purchased over 5 million shares of UnitedHealth ( UNH ) in Q2.