About This Deal

Berkshire Hathaway acquired Alleghany Corporation for Approximately $11.5 billion, a transaction completed in October 2022, structured as all cash.

Alleghany Corporation operates in Insurance / reinsurance, is based in New York, New York. Berkshire acquired New York-based Alleghany Corporation, whose operating subsidiaries include property-and-casualty reinsurance and insurance businesses (led by TransRe) plus a portfolio of non-financial companies, for approximately $11.5 billion. Alleghany held about $19.7 billion of cash and investments at the acquisition date.

Established reinsurance franchise with substantial investable float.

Deal Terms

Acquirer
Berkshire Hathaway
Target
Alleghany Corporation
Value
Approximately $11.5 billion
Date
October 2022
Type
Full acquisition
Status
Ready

Transaction Details

Target HQ
New York, New York
Segment
Insurance / reinsurance
Structure
All cash
Announced
March 21, 2022
Closed
October 19, 2022

In Their Words

On October 19, 2022, we acquired Alleghany Corporation for $11.5 billion, which held cash and investments of $19.7 billion as of the acquisition date.Berkshire Hathaway FY2022 10-K, Business Acquisitions note

Advisors

Advisory firms were not disclosed for this transaction.

Related Deals & Entities

Sources: Press release ↗ · Last updated July 14, 2026

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