Headquartered in Greenwich, Connecticut, W. R. Berkley Corporation (WRB) operates as a global insurance holding company that provides property and casualty coverage through its Insurance, Reinsurance, and Monoline Excess segments. With a nearly $25.4 billion market cap placing it firmly in “large-cap” territory, the company underwrites commercial, specialty, and personal lines worldwide. W. R. Berkley expands this footprint through units such as Acadia, Admiral, Berkley Agribusiness, and Berkley Edge, of ...