Biography
Michael Bloomberg is among the world's most closely watched billionaires from UNITED STATES, with an estimated fortune of $109.4B. The bulk of Michael Bloomberg's wealth comes from Bloomberg LP, closely tied to Bloomberg LP. Michael Rubens Bloomberg is an American businessman, politician, and philanthropist. He is the majority owner and co-founder of Bloomberg L.P., a financial information, software, and media company and was its CEO from 1981 to 2001, and again from 2014 to 2023. As of March 2026, his net worth is estimated at $109.4 billion. Bloomberg's wealth source is Bloomberg L.P.. He began his career at Salomon Brothers before starting his own company. Bloomberg served as the 109th mayor of New York City from 2002 to 2013. Throughout his career, he has been a major philanthropist, donating billions to various causes. Key career milestones include Began Career at Salomon Brothers (1966); Founded Innovative Market Systems (Bloomberg L.P.) (1981); Mayor of New York City (2002); Returned as CEO of Bloomberg L.P. (2014). 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.
