UnitedHealth Group Inc. (NYSE: UNH) has become one of Warren Buffett’s most profitable fresh bets of 2025.Berkshire Hathaway (NYSE: BRK.A) disclosed in its latest 13F filing that it acquired 5,039,564 shares of UnitedHealth last quarter at an average purchase price of $311.97 per share. The position was valued at exactly$1.57 billion at the time of purchase, making it one of Berkshire’s most notable new entries in Q2 2025.Since then, the healthcare giant’s stock has climbed sharply. UnitedHealth closed Thu ...