Markel Corp MKL
We take great care to ensure that the data presented and summarized in this overview for MARKEL CORP is accurate and up-to-date, based on a comprehensive analysis of 13F filing forms for institutional ownership and form 4 filings for insider transactions. Please note that this data may differ from other sources and should not be relied upon as the sole basis for investment decisions.
Top Institutions Holding MKL
View all-
Canerector Inc Toronto, A610.7MShares$22.1 Billion0.3% of portfolio
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Vanguard Group Inc Valley Forge, PA1.17MShares$2.42 Billion0.03% of portfolio
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Black Rock Inc. New York, NY750KShares$1.55 Billion0.03% of portfolio
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Principal Financial Group Inc Des Moines, IA547KShares$1.13 Billion0.57% of portfolio
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Morgan Stanley New York, NY448KShares$924 Million0.05% of portfolio
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Atlanta Capital Management CO L L C Atlanta, GA401KShares$826 Million1.94% of portfolio
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Select Equity Group, L.P. New York, NY383KShares$789 Million3.59% of portfolio
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Chris Davis Davis Selected Advisers | Tucson, Az374KShares$770 Million3.83% of portfolio
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State Street Corp Boston, MA304KShares$627 Million0.02% of portfolio
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Boston Partners Boston, MA269KShares$555 Million0.57% of portfolio
Latest Institutional Activity in MKL
Top Purchases
Top Sells
About MKL
Markel Corporation, a diverse financial holding company, markets and underwrites specialty insurance products in the United States, Bermuda, the United Kingdom, rest of Europe, Canada, the Asia Pacific, and the Middle East. Its Insurance segment offers general and professional liability, personal lines, marine and energy, specialty programs, and workers' compensation insurance products; and property coverages that include fire, allied lines, and other specialized property coverages, including catastrophe-exposed property risks, such as earthquake and wind. This segment also offers credit and surety products, and collateral protection insurance products. The company's Reinsurance segment offers transaction, healthcare, and environmental impairment liability; and specialty treaty reinsurance products comprising structured and whole turnover credit, political risk, mortgage and contract, and commercial surety reinsurance programs. Its Markel Ventures segment provides equipment used in baking systems and food processing; portable dredges; over-the-road car haulers and transportation equipment; and laminated oak and composite wood flooring, tube and tank trailers, as well as ornamental plants and residential homes, handbags, and architectural products. This segment also provides consulting, and other types of services to businesses and consumers, including distribution of exterior building products, crane rental, fire protection, and life safety services, management and technology consulting, and retail intelligence services. The company's Other segment provides healthcare, leasing and investment services, as well as operates as an insurance and investment fund manager offering a range of investment products, including insurance-linked securities, catastrophe bonds, insurance swaps, and weather derivatives; and program services. it also manages funds with third parties. Markel Corporation was founded in 1930 and is based in Glen Allen, Virginia.
Insider Transactions at MKL
Insider Transaction List
View all| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Dec 02
2025
|
Andrew G. Crowley President, Markel Ventures |
SELL
Payment of exercise price or tax liability
|
Direct |
64
-3.24%
|
$131,840
$2060.83 P/Share
|
|
Dec 02
2025
|
Richard Randolph Grinnan SVP, Chief Legal Officer & Sec |
SELL
Payment of exercise price or tax liability
|
Direct |
138
-3.83%
|
$284,280
$2060.83 P/Share
|
|
Dec 02
2025
|
Michael R Heaton EVP & Chief Operating Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
217
-4.41%
|
$447,020
$2060.83 P/Share
|
|
Dec 02
2025
|
Simon Wilson CEO, Markel Insurance |
SELL
Payment of exercise price or tax liability
|
Direct |
94
-5.31%
|
$193,640
$2060.83 P/Share
|
|
Dec 02
2025
|
Thomas Sinnickson Gayner Chief Executive Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
36
-0.07%
|
$74,160
$2060.83 P/Share
|
|
Dec 02
2025
|
Brian J. Costanzo Chief Financial Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
21
-2.15%
|
$43,260
$2060.83 P/Share
|
|
Nov 28
2025
|
Steven A Markel Director |
SELL
Open market or private sale
|
Direct |
100
-0.16%
|
$210,000
$2100.0 P/Share
|
|
Nov 26
2025
|
Steven A Markel Director |
SELL
Open market or private sale
|
Direct |
70
-0.11%
|
$147,000
$2100.0 P/Share
|
|
Nov 25
2025
|
Simon Wilson CEO, Markel Insurance |
SELL
Open market or private sale
|
Direct |
75
-4.07%
|
$155,400
$2072.94 P/Share
|
|
Nov 17
2025
|
Steven A Markel Director |
SELL
Bona fide gift
|
Direct |
500
-0.8%
|
-
|
|
Sep 30
2025
|
Brian J. Costanzo Chief Financial Officer |
BUY
Other acquisition or disposition
|
Direct |
1
+0.1%
|
$1,624
$1624.66 P/Share
|
|
Aug 25
2025
|
Meade P. Grandis CAO and Controller |
SELL
Open market or private sale
|
Indirect |
75
-21.43%
|
$148,725
$1983.78 P/Share
|
|
Jul 15
2025
|
Andrew G. Crowley President, Markel Ventures |
BUY
Other acquisition or disposition
|
Direct |
5
+0.25%
|
$8,895
$1779.25 P/Share
|
|
Jun 30
2025
|
Brian J. Costanzo Chief Financial Officer |
BUY
Other acquisition or disposition
|
Direct |
2
+0.2%
|
$3,160
$1580.87 P/Share
|
|
Jun 13
2025
|
A. Lynne Puckett Director |
BUY
Other acquisition or disposition
|
Direct |
63
+15.18%
|
$109,305
$1735.89 P/Share
|
|
Jun 13
2025
|
Diane Leopold Director |
BUY
Other acquisition or disposition
|
Direct |
63
+2.93%
|
$109,305
$1735.89 P/Share
|
|
Jun 13
2025
|
Morgan E. Housel Director |
BUY
Other acquisition or disposition
|
Direct |
63
+6.72%
|
$109,305
$1735.89 P/Share
|
|
Jun 13
2025
|
Lawrence A Cunningham Director |
BUY
Other acquisition or disposition
|
Direct |
63
+6.42%
|
$109,305
$1735.89 P/Share
|
|
Jun 13
2025
|
Harold Lawrence Morrison Jr. Director |
BUY
Other acquisition or disposition
|
Direct |
31
+2.99%
|
$53,785
$1735.89 P/Share
|
|
Jun 13
2025
|
Jonathan E Michael Director |
BUY
Other acquisition or disposition
|
Direct |
63
+26.25%
|
$109,305
$1735.89 P/Share
|
Last 12 Months Summary
| Grant, award, or other acquisition | 7.73K shares |
|---|---|
| Other acquisition or disposition | 616 shares |
| Open market or private purchase | 125 shares |
| Payment of exercise price or tax liability | 968 shares |
|---|---|
| Bona fide gift | 1.64K shares |
| Open market or private sale | 4.21K shares |