Markel Corporation logo

Markel Corporation

MKL | NYSE
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$1,869.82
+$2.63 (+0.14%)
At close: Oct 30, 2026, 4:00 PM ET
$1,869.00
-$0.82 (-0.04%)
Pre-market: Nov 2, 2026, 7:45 AM ET

Company Profile

Markel Corporation operates as a multifaceted financial conglomerate, engaging in the marketing and underwriting of specialized insurance offerings across numerous global regions. Its operational footprint spans the United States, Bermuda, the United Kingdom, continental Europe, Canada, the Asia Pacific, and the Middle East. Within its Insurance segment, the company delivers a broad spectrum of protection. This includes general and professional liability coverage, personal lines, marine and energy policies, bespoke specialty programs, and workers' compensation. Furthermore, it provides property insurance encompassing fire, allied perils, and other tailored property coverages, notably safeguarding against catastrophe-exposed risks such as earthquakes and severe wind events. This segment also extends to credit and surety offerings, alongside collateral protection insurance. The Reinsurance division focuses on sophisticated risk transfer solutions. It offers reinsurance for transactional exposures, healthcare liabilities, and environmental impairment. Additionally, it specializes in treaty reinsurance products, which comprise structured and whole turnover credit, political risk, mortgage and contract, and commercial surety programs. Through its Markel Ventures segment, the corporation engages in a wide array of non-insurance businesses. This segment manufactures and supplies equipment for baking systems and food processing, portable dredges, and over-the-road vehicle transporters and other specialized transportation equipment. Its product portfolio also features laminated oak and composite wood flooring, tube and tank trailers, ornamental plants, residential homes, fashionable handbags, and various architectural products. Beyond goods, Markel Ventures extends consulting and diverse services to both businesses and consumers, including the distribution of exterior building products, crane rental, comprehensive fire protection and life safety services, management and technology consulting, and retail intelligence solutions. Finally, the Other segment encompasses healthcare, leasing, and investment services. It functions as an asset manager for insurance and investment funds, making available a suite of investment products such as insurance-linked securities, catastrophe bonds, insurance swaps, and weather derivatives. This segment also provides program services and actively co-manages funds with external partners. Established in 1930, Markel Corporation maintains its corporate headquarters in Glen Allen, Virginia.

Key Executives

Name Position
Simon Wilson Executive VP and CEO & Co-President of Markel Insurance
Thomas Sinnickson Gayner CEO & Chairman
Brian Jeffrey Costanzo Chief Financial Officer & Chief Financial Officer of Markel Insurance Operations
Richard Randolph Grinnan Senior Vice President, Chief Legal Officer & Secretary
Amy McCann Chief Administrative Officer
Frederick W. May Jr. Vice President of Sales & Business Development
Jeff Lamb Executive Director of Programs and Alliances - Markel Specialty
Jennifer Blackwell Deputy Chief Communications Officer
Meade Grandis Chief Accounting Officer & Controller
Sal Pollaro Jr. Regional President for Northeast region of US Wholesale & Specialty division
Sarah Gavlick Chief Retail Officer
Wendy Houser Chief Wholesale Officer

Latest SEC Filings

Date Type Title
Sep 14, 2026 SC 13D/A [Amend] Filing
Sep 14, 2026 4 Filing
Sep 08, 2026 8-K Current Report
Aug 28, 2026 N-PX Filing
Jul 31, 2026 13F-HR Quarterly report filed by institutional managers, ...
Jul 29, 2026 10-Q Quarterly Report
Jul 16, 2026 4 Filing
Jul 16, 2026 4 Filing
Jun 17, 2026 4 Filing
Jun 17, 2026 4 Filing
View All SEC Filings ➞
Markel Corporation
Markel Corporation logo
Country United States
IPO Date Dec 12, 1986
Industry Insurance - Property & Casualty
Sector Financial Services
Employees 22,900
CEO Thomas Sinnickson Gayner

Contact Details

4521 Highwoods Parkway Glen Allen, Virginia 23060-6148 United States

Stock Details

Ticker Symbol MKL
Exchange NYSE
Fiscal Year January - December
Reporting Currency USD
CIK Code 0001096343
CUSIP Number 570535104
ISIN Number US5705351048
SIC Code 6331

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