The Omaha-based conglomerate bought more than 5 million shares in the healthcare firm for a stake worth about $1.6 billion at the end of June.
People watch as Berkshire Hathaway chairman Warren Buffett is seen on a screen speaking at the Berkshire Hathaway annual shareholders' meeting in Omaha, Nebraska, on May 3, 2025.
Berkshire's equity portfolio is worth about $300 billion, so it is poss... [3228 chars]