If it closes, the transaction would intensify Berkshire Hathaway's market share in medical professional liability and If it closes, the transaction would intensify Berkshire Hathaway's market share in medical professional liability and "other liability" lines, NAIC data indicates. (Credit: Lightspring/Shutterstock.com)

In an all-cash deal valued at approximately $11.6 billion, Berkshire Hathaway Inc. is moving to acquire Alleghany Corporation. The transaction has already received unanimous approval from both companies' boards and is anticipated to close during 2022's final quarter, the acquiring firm reports.

"Berkshire will be the perfect permanent home for Alleghany, a company that I have closely observed for 60 years. Throughout 85 years the Kirby family has created a business that has many similarities to Berkshire Hathaway. I am particularly delighted that I will once again work together with my long-time friend, Joe Brandon," Warren E. Buffett, Berkshire Hathaway's chairman and CEO, said in a release.

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Steve Hallo

Steve Hallo is managing editor of PropertyCasualty360.com. He can be reached at [email protected]