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Compare · MBI vs WRB

MBI vs WRB

Side-by-side comparison of MBIA Inc. (MBI) and W.R. Berkley Corporation (WRB): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both MBI and WRB operate in Property-Casualty Insurers (Finance), so they compete in similar markets.
  • WRB is the larger of the two at $24.85B, about 82.6x MBI ($301.0M).
  • Over the past year, MBI is up 33.1% and WRB is down 8.2% - MBI leads by 41.4 points.
  • WRB has hit the wire 15 times in the past 4 weeks while MBI has been quiet.
  • WRB has more recent analyst coverage (25 ratings vs 4 for MBI).
PerformanceMBI+33.11%WRB-8.25%
2025-06-09+0.00%2026-06-08
MetricMBIWRB
Company
MBIA Inc.
W.R. Berkley Corporation
Price
$5.91-3.75%
$66.73-2.68%
Market cap
$301.0M
$24.85B
1M return
-7.73%
+0.30%
1Y return
+33.11%
-8.25%
Industry
Property-Casualty Insurers
Property-Casualty Insurers
Exchange
NYSE
NYSE
IPO
1987
News (4w)
0
15
Recent ratings
4
25
MBI

MBIA Inc.

MBIA Inc. provides financial insurance services to public finance markets. It operates through United States (U.S.) Public Finance Insurance, and International and Structured Finance Insurance segments. The company issues financial guarantees for municipal bonds, including tax-exempt and taxable indebtedness of the U.S. political subdivisions and territories, as well as utilities, airports, health care institutions, higher educational facilities, student loan issuers, housing authorities, and other similar agencies and obligations issued by private entities. It also insures the non-U.S. public finance and global structured finance, including asset-backed obligations; and sovereign-related and sub-sovereign bonds, utilities, and privately issued bonds used for the financing of projects that include toll roads, bridges, airports, public transportation facilities, and other types of infrastructure projects, as well as offers third-party reinsurance services. MBIA Inc. was founded in 1973 and is headquartered in Purchase, New York.

WRB

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.

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