6Suppliers
28Customers
1Debt Items
20Related Chains

Source-Backed Evidence Depth

Markel Group Inc. (MKL) is shown with relationship data already present in ChainSifter's database. Counts below come from stored supply-chain records and filing/source URLs where available; missing source URLs are not filled in or estimated.

35Total relationships
3Distinct source URLs
4High confidence
0.661Average confidence
2026-09-13Latest database update
ChainSifter does not infer unreported suppliers, customers, ownership, acquisitions, debt exposure, revenue dependency, or future supply-chain events on this public page.

Markel Group Inc. Suppliers

TickerNameConfidenceEvidence
LLOYD-S-SYNDICATES-2357-2358-AND-2359 LLOYD-S-SYNDICATES-2357-2358-AND-2359 90% Nephila also acts as an insurance manager to certain Bermuda licensed reinsurers and as the managing agent to Lloyd's Syndicates 2357, 2358, and 2359 (collectively, the Nephila Reinsurers).
NEPHILA-REINSURERS NEPHILA-REINSURERS 90% Nephila also acts as an insurance manager to certain Bermuda licensed reinsurers and as the managing agent to Lloyd's Syndicates 2357, 2358, and 2359 (collectively, the Nephila Reinsurers).
BRK-B Berkshire Hathaway Inc. 72% other actions by activist shareholders; • considerations and limitations relating to the use of growth in intrinsic value as a performance metric, including the possibility that shareholders, analyst…
BRK-B Berkshire Hathaway Inc. 72% Reciprocal relationship from BRK-B graph: Reciprocal relationship from MKL graph: other actions by activist shareholders; • considerations and limitations relating to the use of growth in intrinsic v…
GHC Graham Holdings Company 72% Reciprocal relationship from GHC graph: Reciprocal relationship from MKL graph: Reciprocal relationship from GHC graph: Reciprocal relationship from MKL graph: Reciprocal relationship from GHC graph:…
BOW Bowhead Specialty Holdings Inc. 62% Reciprocal relationship from BOW graph: or indirectly observable through market-corroborated inputs, such as interest rates, yield curves, prepayment speeds, default rates, or loss severities. • Leve…

Markel Group Inc. Customers

TickerNameConfidenceEvidence
NEPHILA-FUNDS NEPHILA-FUNDS 90% Nephila serves as the investment manager to several Bermuda based private funds (the Nephila Funds).
CAUTIONARY-STATEMENT-BUSINESS-OVERVIEW-MARKEL-GR CAUTIONARY-STATEMENT-BUSINESS-OVERVIEW-MARKEL-GR 62% Item 1 Financial Statements and our 2025 Annual Report on Form 10-K. The accompanying consolidated financial statements and related notes have been prepared in accordance with United States (U.S.) ge…
CNIC-TEXAS-MARKEL-INTERNATIONAL-INSURANCE-COMPAN CNIC-TEXAS-MARKEL-INTERNATIONAL-INSURANCE-COMPAN 62% ensation. Program services business written through our State National division is separately managed from our underwriting divisions, which may write similar products, in order to protect our progra…
COMPANY-CATEGORY-YEAR-FOUNDED-JOINED-MARKEL-GROU COMPANY-CATEGORY-YEAR-FOUNDED-JOINED-MARKEL-GROU 62% . Our chief operating decision maker allocates resources to and assesses the performance of these various businesses in the aggregate as the Markel Ventures segment. See note 2 of the notes to consol…
DOMICILE-ESSENTIA-INSURANCE-COMPANY-ESSENTIA-MIS DOMICILE-ESSENTIA-INSURANCE-COMPANY-ESSENTIA-MIS 62% , which requires us to be responsive to changes in market conditions for individual product lines. With each of our products, we seek to write business that produces consistent underwriting profits b…
EDUCATIONAL-PARTNERS EDUCATIONAL-PARTNERS 62% vider of erosion control, stormwater management and related services Construction services 2003 2024 Educational Partners International - Sponsor of international teachers for placement in U.S. schoo…
EIC-ILLINOIS-FIRSTCOMP-INSURANCE-COMPANY EIC-ILLINOIS-FIRSTCOMP-INSURANCE-COMPANY 62% , which requires us to be responsive to changes in market conditions for individual product lines. With each of our products, we seek to write business that produces consistent underwriting profits b…
FAMILY-MARKEL-FOOD-GROUP FAMILY-MARKEL-FOOD-GROUP 62% . Our chief operating decision maker allocates resources to and assesses the performance of these various businesses in the aggregate as the Markel Ventures segment. See note 2 of the notes to consol…
FCIC-NEBRASKA-MARKEL-AMERICAN-INSURANCE-COMPANY FCIC-NEBRASKA-MARKEL-AMERICAN-INSURANCE-COMPANY 62% , which requires us to be responsive to changes in market conditions for individual product lines. With each of our products, we seek to write business that produces consistent underwriting profits b…
HAGERTY-REINSURANCE-LIMITED HAGERTY-REINSURANCE-LIMITED 62% — — 41,554 — — 41,554 Total revenues from contracts with customers 1,542 846,753 41,814 261,908 — 1,152,017 Leasing revenues — 35,020 — 17,586 — 52,606 Fronting fees 5,451 — 43,170 — — 48,621 Equity …
INDEPENDENT-SPECIALTY-INSURANCE-COMPANY INDEPENDENT-SPECIALTY-INSURANCE-COMPANY 62% earnings attributed to its investment in EPI is included in the Company's Markel Ventures segment. In January 2025, the Company received regulatory approval that resulted in the Company gaining contr…
INSURANCE-LINKED-SECURITIES-NEPHILA-HOLDINGS-LTD INSURANCE-LINKED-SECURITIES-NEPHILA-HOLDINGS-LTD 62% ensation. Program services business written through our State National division is separately managed from our underwriting divisions, which may write similar products, in order to protect our progra…
LEGAL-ENTITY-ABBREVIATION-DOMICILE-CITY-NATIONAL LEGAL-ENTITY-ABBREVIATION-DOMICILE-CITY-NATIONAL 62% ensation. Program services business written through our State National division is separately managed from our underwriting divisions, which may write similar products, in order to protect our progra…
MAIC-VIRGINIA-MARKEL-GLOBAL-REINSURANCE-COMPANY MAIC-VIRGINIA-MARKEL-GLOBAL-REINSURANCE-COMPANY 62% , which requires us to be responsive to changes in market conditions for individual product lines. With each of our products, we seek to write business that produces consistent underwriting profits b…
MARKEL-GROUP MARKEL-GROUP 62% Item 1 Financial Statements and our 2025 Annual Report on Form 10-K. The accompanying consolidated financial statements and related notes have been prepared in accordance with United States (U.S.) ge…
MGRC-DELAWARE-MARKEL-INSURANCE-COMPANY MGRC-DELAWARE-MARKEL-INSURANCE-COMPANY 62% , which requires us to be responsive to changes in market conditions for individual product lines. With each of our products, we seek to write business that produces consistent underwriting profits b…
MIC-ILLINOIS-NATIONAL-SPECIALTY-INSURANCE-COMPAN MIC-ILLINOIS-NATIONAL-SPECIALTY-INSURANCE-COMPAN 62% , which requires us to be responsive to changes in market conditions for individual product lines. With each of our products, we seek to write business that produces consistent underwriting profits b…
MIICL-UNITED-KINGDOM-NATIONAL-SPECIALTY-INSURANC MIICL-UNITED-KINGDOM-NATIONAL-SPECIALTY-INSURANC 62% ensation. Program services business written through our State National division is separately managed from our underwriting divisions, which may write similar products, in order to protect our progra…
NEPHILA-HOLDINGS-LTD NEPHILA-HOLDINGS-LTD 62% — — 41,554 — — 41,554 Total revenues from contracts with customers 1,542 846,753 41,814 261,908 — 1,152,017 Leasing revenues — 35,020 — 17,586 — 52,606 Fronting fees 5,451 — 43,170 — — 48,621 Equity …
NSIC-TEXAS-PINNACLE-NATIONAL-INSURANCE-COMPANY NSIC-TEXAS-PINNACLE-NATIONAL-INSURANCE-COMPANY 62% ensation. Program services business written through our State National division is separately managed from our underwriting divisions, which may write similar products, in order to protect our progra…
NSIC-TEXAS-STATE-NATIONAL-INSURANCE-COMPANY-INC NSIC-TEXAS-STATE-NATIONAL-INSURANCE-COMPANY-INC 62% , which requires us to be responsive to changes in market conditions for individual product lines. With each of our products, we seek to write business that produces consistent underwriting profits b…
PNIC-TEXAS-STATE-NATIONAL-INSURANCE-COMPANY-INC PNIC-TEXAS-STATE-NATIONAL-INSURANCE-COMPANY-INC 62% ensation. Program services business written through our State National division is separately managed from our underwriting divisions, which may write similar products, in order to protect our progra…
RISK-FACTORS-GROUP RISK-FACTORS-GROUP 62% 006 2024 Markel Ventures businesses encounter a variety of competitors that vary by industry, end market and geographic area. Many of the businesses in this segment experience revenue fluctuations ov…
ROSEMONT-INVESTMENT-GROUP ROSEMONT-INVESTMENT-GROUP 62% lness services Other services 2003 2011 Weldship - Manufacturer of industrial and specialty gas transportation and storage equipment Transportation-related products 1946 2011 Havco - Manufacturer of …
SNIC-TEXAS-SUPERIOR-SPECIALTY-INSURANCE-COMPANY SNIC-TEXAS-SUPERIOR-SPECIALTY-INSURANCE-COMPANY 62% ensation. Program services business written through our State National division is separately managed from our underwriting divisions, which may write similar products, in order to protect our progra…
SNIC-TEXAS-SURETEC-INSURANCE-COMPANY SNIC-TEXAS-SURETEC-INSURANCE-COMPANY 62% , which requires us to be responsive to changes in market conditions for individual product lines. With each of our products, we seek to write business that produces consistent underwriting profits b…
SSIC-DELAWARE-UNITED-SPECIALTY-INSURANCE-COMPANY SSIC-DELAWARE-UNITED-SPECIALTY-INSURANCE-COMPANY 62% ensation. Program services business written through our State National division is separately managed from our underwriting divisions, which may write similar products, in order to protect our progra…
SUPERVISION-GROUP SUPERVISION-GROUP 62% 006 2024 Markel Ventures businesses encounter a variety of competitors that vary by industry, end market and geographic area. Many of the businesses in this segment experience revenue fluctuations ov…

Markel Group Inc. Debt Obligations

InstrumentDescriptionConfidenceEvidence
MKL-DEBT Debt stack $4.4B 90% Market cache reports total debt of $4.4B.

Markel Group Inc. Acquisitions

No acquisitions on recordNo completed or pending acquisitions found in our database for Markel Group Inc..

Markel Group Inc. Ownership

No ownership data on recordNo major institutional ownership relationships found in our database for Markel Group Inc..

Markel Group Inc. Extended Supply Chain Network

TickerNameChain IndexHopsRelationship Types
BOW Bowhead Specialty Holdings Inc. 100.00 1 ['supplier']
GHC Graham Holdings Company 100.00 1 ['supplier']
BRK-B Berkshire Hathaway Inc. 100.00 1 ['supplier']
CORT Corcept Therapeutics Incorporated 50.00 2
RYAN Ryan Specialty Holdings, Inc. 50.00 2
AWI Armstrong World Industries, Inc. 50.00 2
BHE Benchmark Electronics, Inc. 50.00 2
DJCO Daily Journal Corporation 50.00 2
AXP American Express Company 50.00 2
AA Alcoa Corporation 50.00 2
GHM Graham Corporation 50.00 2
THG The Hanover Insurance Group, Inc. 50.00 2
L Loews Corporation 50.00 2
SSP The E.W. Scripps Company 50.00 2
ORI Old Republic International Corporation 50.00 2
MLM Martin Marietta Materials, Inc. 50.00 2
TNMG TNL Mediagene 50.00 2
RSG Republic Services, Inc. 50.00 2
NEU NewMarket Corporation 50.00 2
JEF Jefferies Financial Group Inc. 50.00 2
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MKL
Unlock MKL Supply Chain Data
Verified relationships include:
LLOYD-S-SYNDICATES-2357-2358-AND-2359LLOYD-S-SYNDICATES-2357-2…Supplier90%
NEPHILA-REINSURERSNEPHILA-REINSURERSSupplier90%
NEPHILA-FUNDSNEPHILA-FUNDSCustomer90%
CAUTIONARY-STATEMENT-BUSINESS-OVERVIEW-MARKEL-GRCAUTIONARY-STATEMENT-BUSI…Customer62%
+31 more relationships locked
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