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Greenwich, Connecticut-based W. R. Berkley Corporation (WRB) is an insurance holding company, operating as a commercial line writer worldwide. With a market cap of $26.7 billion, the company operates through Insurance and Reinsurance & Monoline Excess segments.
W. R. Berkley has significantly outperformed the broader market over the past year and in 2025. WRB stock has soared 24.7% over the past 52 weeks and 22.3% on a YTD basis, compared to the S&P 500 Index’s ($SPX) 14.3% gains over the past year and 9% returns in 2025.