Buffett's U.S. Healthcare Investment Sees Market Cap Surge by 800 Billion Won in Just One Day

DaVita Inc. (NYSE: DVA) closed at $161.90 on May 5, up 5.08% on the New York Stock Exchange.

The company’s market capitalization reached approximately $10.6 billion (about KRW 15 trillion), having increased by roughly $570 million (around KRW 800 billion) in a single day.

In its first-quarter 2026 results announced that same day, DaVita reported revenue of $3.416 billion and earnings per share of $2.87, and raised its full-year 2026 adjusted operating income and EPS guidance.

Additionally, after repurchasing 3 million shares for $403 million in Q1, the company further strengthened shareholder returns by buying an additional $302 million of its own stock through May 5.

Headquartered in Denver, Colorado, DaVita is a specialist dialysis medical-services provider treating about 300,000 chronic kidney disease patients across more than 3,000 centers worldwide.

Berkshire Hathaway, led by Warren Buffett, is DaVita’s largest shareholder and has cemented its reputation as a long-term investor by expanding its stake through share-repurchase agreements.