RNR vs WRB

RenaissanceRe Holdings Ltd.

RenaissanceRe Holdings Ltd. provides reinsurance and insurance products in the United States and internationally. The company operates through Property, and Casualty and Specialty segments. The Property segment writes property catastrophe excess of loss reinsurance and excess of loss retrocessional reinsurance to insure insurance and reinsurance companies against natural and man-made catastrophes, including hurricanes, earthquakes, and other windstorms, as well as claims arising from other natural and man-made catastrophes comprising tsunamis, winter storms, freezes, floods, fires, tornadoes, explosions, and acts of terrorism; and other property class of products, such as proportional reinsurance, property per risk, property reinsurance, and binding facilities and regional U.S. multi-line reinsurance. The Casualty and Specialty segment writes various classes of products, such as directors and officers, medical malpractice, and professional indemnity; automobile and employer's liability, casualty clash, umbrella or excess casualty, workers' compensation, and general liability; financial and mortgage guaranty, political risk, surety, and trade credit; and accident and health, agriculture, aviation, cyber, energy, marine, satellite, and terrorism. It distributes its products and services primarily through intermediaries. RenaissanceRe Holdings Ltd. was founded in 1993 and is headquartered in Pembroke, Bermuda.

W.R. Berkley Corporation

W. R. Berkley Corporation, an insurance holding company, operates as a commercial lines writer in the United States and internationally. It operates in two segments, Insurance and Reinsurance & Monoline Excess. The Insurance segment underwrites commercial insurance business, including premises operations, commercial automobile, property, products liability, and general and professional liability lines. It also provides workers' compensation insurance products; accident and health insurance and reinsurance products; insurance for commercial risks; specialty environmental products for contractors, consultants, and property owners and facilities operators; specialized insurance coverages for fine arts and jewelry exposures; umbrella and excess liability coverage products; and liquor liability and inland marine coverage for small to medium-sized insureds. In addition, this segment offers directors and officers, and surety risk products, as well as products for technology, and life sciences and travel industries; cyber risk solutions; casualty, group life, and crime and fidelity related insurance products; personal lines insurance solutions, including home, condo/co-op, auto, and collectibles; automobile, law enforcement, public officials and educator's legal, and employment practices liability, as well as incidental medical insurance products; and at-risk and alternative risk insurance program management services. The Reinsurance & Monoline Excess segment provides other insurance companies and self-insureds with assistance in managing their net risk through reinsurance on a portfolio basis through treaty reinsurance or on an individual basis through facultative reinsurance. W. R. Berkley Corporation was founded in 1967 and is headquartered in Greenwich, Connecticut.