William R. Berkley has practically all his wealth tied to W.R. Berkley Corporation, where he initially held a significant stake built from founding the company. His net worth saw fluctuations, reaching its peak when the company's market cap soared to...

William R. Berkley has practically all his wealth tied to W.R. Berkley Corporation, where he initially held a significant stake built from founding the company. His net worth saw fluctuations, reaching its peak when the company's market cap soared to approximately $5 billion by 2024. As of late 2024, Berkley’s stock holdings climbed to about $800 million, reflecting strong performance in the insurance sector. Despite market ups and downs, his commitment to the company remains clear. He strategically navigated through various financial climates, maintaining over 20% ownership of the company and emphasizing long-term value creation without putting all his eggs in one basket. His understanding of market risks is evident in how he manages his holdings, which have remained a vital part of his financial strategy over the decades.