2Suppliers
16Customers
1Debt Items
20Related Chains

Source-Backed Evidence Depth

W. R. Berkley Corporation (WRB) 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.

20Total relationships
2Distinct source URLs
6High confidence
0.714Average 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.

W. R. Berkley Corporation Suppliers

TickerNameConfidenceEvidence
MSI Motorola Solutions, Inc. 90% In the normal course of its operations, the Company from time to time enters into reinsurance transactions with MSI or one of its affiliates
MSI Motorola Solutions, Inc. 90% Reciprocal relationship from MSI graph: Reciprocal relationship from WRB graph: In the normal course of its operations, the Company from time to time enters into reinsurance transactions with MSI or …

W. R. Berkley Corporation Customers

TickerNameConfidenceEvidence
MSI Motorola Solutions, Inc. 90% During the three months ended March 31, 2026, the Company assumed written premiums from MSI or one of its affiliates of $ 5 million
MSI Motorola Solutions, Inc. 90% Reciprocal relationship from MSI graph: Reciprocal relationship from WRB graph: During the three months ended March 31, 2026, the Company assumed written premiums from MSI or one of its affiliates of…
XYF X Financial 72% the merger arbitrage trading account. These options are reported at fair value. As of December 31, 2025, the fair value of long option contracts outstanding was $ 3 million (notional amount of $ 278 …
XYF X Financial 72% Reciprocal relationship from XYF graph: Reciprocal relationship from WRB graph: the merger arbitrage trading account. These options are reported at fair value. As of December 31, 2025, the fair value…
ADMIRAL-INSURANCE-COMPANY ADMIRAL-INSURANCE-COMPANY 62% Europe, Mexico, Scandinavia, South America and the United Kingdom. • Reinsurance & Monoline Excess - Our Reinsurance businesses provide facultative and treaty reinsurance in the United States, the As…
A-M-BEST-COMPANY-INC A-M-BEST-COMPANY-INC 62% Europe, Mexico, Scandinavia, South America and the United Kingdom. • Reinsurance & Monoline Excess - Our Reinsurance businesses provide facultative and treaty reinsurance in the United States, the As…
BERKLEY-INSURANCE-COMPANY BERKLEY-INSURANCE-COMPANY 62% h low to moderate insurance risk. Its product lines include general liability, excess liability and some property and inland marine coverage. It serves a limited distribution channel, including selec…
BERKLEY-INSURANCE-COMPANY-BERKLEY-REGIONAL-INSUR BERKLEY-INSURANCE-COMPANY-BERKLEY-REGIONAL-INSUR 62% Europe, Mexico, Scandinavia, South America and the United Kingdom. • Reinsurance & Monoline Excess - Our Reinsurance businesses provide facultative and treaty reinsurance in the United States, the As…
BERKLEY-LUXURY-GROUP BERKLEY-LUXURY-GROUP 62% ntractors requiring coverage under the United States Longshore and Harbor Workers' Compensation Act (USL&H). Its products are distributed by a select group of independent retail agents and wholesale …
BERKLEY-MID-ATLANTIC-GROUP BERKLEY-MID-ATLANTIC-GROUP 62% ntractors requiring coverage under the United States Longshore and Harbor Workers' Compensation Act (USL&H). Its products are distributed by a select group of independent retail agents and wholesale …
BRECKENRIDGE-IS-INC BRECKENRIDGE-IS-INC 62% the merger arbitrage trading account. These options are reported at fair value. As of December 31, 2025, the fair value of long option contracts outstanding was $ 3 million (notional amount of $ 278 …
CONTINENTAL-WESTERN-GROUP CONTINENTAL-WESTERN-GROUP 62% ntractors requiring coverage under the United States Longshore and Harbor Workers' Compensation Act (USL&H). Its products are distributed by a select group of independent retail agents and wholesale …
HANNOVER-RE-GROUP HANNOVER-RE-GROUP 62% ns on the merger arbitrage trading account. These options are reported at fair value. As of December 31, 2024, the fair value of long option contracts outstanding was $ 26 million (notional amount of…
NAUTILUS-INSURANCE-GROUP NAUTILUS-INSURANCE-GROUP 62% ntractors requiring coverage under the United States Longshore and Harbor Workers' Compensation Act (USL&H). Its products are distributed by a select group of independent retail agents and wholesale …
OPERATIONS-OVERVIEW-W-R-BERKLEY-CORPORATION OPERATIONS-OVERVIEW-W-R-BERKLEY-CORPORATION 62% ues would not necessarily result in commensurate levels of earnings. Our future financial performance is dependent upon factors discussed in our Annual Report on Form 10-K, elsewhere in this Form 10-…
UNITED-STATES-NAUTILUS-INSURANCE-GROUP UNITED-STATES-NAUTILUS-INSURANCE-GROUP 62% ntractors requiring coverage under the United States Longshore and Harbor Workers' Compensation Act (USL&H). Its products are distributed by a select group of independent retail agents and wholesale …

W. R. Berkley Corporation Debt Obligations

InstrumentDescriptionConfidenceEvidence
WRB-DEBT Debt stack $3.1B 90% Market cache reports total debt of $3.1B.

W. R. Berkley Corporation Acquisitions

No acquisitions on recordNo completed or pending acquisitions found in our database for W. R. Berkley Corporation.

W. R. Berkley Corporation Ownership

HolderNameConfidenceEvidence
WRB-OWNER-MITSUI-SUMITOMO-INSURANCE-CO-LTD Mitsui Sumitomo Insurance Co Ltd 90% 13F overlay lists Mitsui Sumitomo Insurance Co Ltd as top holder; 927 tracked holders.

W. R. Berkley Corporation Extended Supply Chain Network

TickerNameChain IndexHopsRelationship Types
ETOR eToro Group Ltd. 100.00 2
CRMZ CreditRiskMonitor.com, Inc. 100.00 2
BGC BGC Group, Inc. 100.00 2
RYAN Ryan Specialty Holdings, Inc. 100.00 2
FCCN Spectral Capital Corporation 100.00 2
AHG Akso Health Group 100.00 2
BTDR Bitdeer Technologies Group 100.00 2
FENG Phoenix New Media Limited 100.00 2
CSTE Caesarstone Ltd. 100.00 2
CIB Grupo Cibest S.A. 100.00 2
BLSH Bullish 100.00 2
BRBI BRBI BR Partners S.A. 100.00 2
AMBR Amber International Holding Limited 100.00 2
CSAI Cloudastructure Inc. 100.00 2
GEMI Gemini Space Station, Inc. 100.00 2
CANG Cango Inc. 100.00 2
ENLT Enlight Renewable Energy Ltd 100.00 2
BLNE Beeline Holdings, Inc. 100.00 2
BKTI BK Technologies Corporation 100.00 2
XRX Xerox Holdings Corporation 100.00 2
🔐
WRB
Unlock WRB Supply Chain Data
Verified relationships include:
MSIMotorola Solutions, Inc.Supplier90%
MSIMotorola Solutions, Inc.Supplier90%
MSIMotorola Solutions, Inc.Customer90%
MSIMotorola Solutions, Inc.Customer90%
+16 more relationships locked
Subscribe — View plans →