Biography
Warren Buffett is among the world's most closely watched billionaires from UNITED STATES, with an estimated fortune of $142.3B. The bulk of Warren Buffett's wealth comes from Berkshire Hathaway, closely tied to Berkshire Hathaway Inc.. Warren Edward Buffett, born August 30, 1930, is a legendary American investor and philanthropist, celebrated as the "Oracle of Omaha." His estimated net worth of $148.9 billion (as of January 2026) places him among the world's wealthiest individuals. His wealth stems primarily from his ownership of Berkshire Hathaway, a multinational conglomerate. Buffett's career, spanning over seven decades, transformed a struggling textile company into a $1.1 trillion conglomerate. Known for his value investing approach, he focuses on acquiring companies with durable competitive advantages. He is also celebrated for his philanthropy, having pledged to donate almost all of his wealth to charitable causes. Buffett's legacy includes not only financial success but also a lasting impact on corporate governance and the investment world. Key career milestones include Began career as an investment salesman (1951); Became a securities analyst (1954); Founded Buffett Partnership Ltd. (1956); Took control of Berkshire Hathaway (1965). This profile documents verified holdings, career milestones, and multi-year net worth history drawn from Forbes rankings, company filings where available, and our editorial methodology. Readers use it to understand how public markets, private company stakes, and major business bets shape one of the largest personal fortunes on record. Wealth estimates move with stock prices, funding rounds, and disclosed transactions—figures on this page are research estimates, not cash balances. We publish year-by-year net worth history when verified data exists, link to primary sources, and update profiles when Forbes Real-Time Billionaires or major filings change the picture materially. For investors and researchers, the most useful reading pairs the headline number with ownership structure, geography, sector exposure, and the multi-year history chart on this page—especially during volatile markets when single-day moves can shift rankings without any operational change at the underlying companies.
