Markel Insurance Q2 adjusted operating income hit $376.5 million, up 40%. Underwriting profit in specialty insurance doubled to $142.1 million as the company launched Cortex, an AI underwriting unit built with Bain & Company.
Markel Insurance posted a 40% jump in adjusted operating income to $376.5 million in the second quarter of 2026, driven by a doubling of underwriting profit in its core specialty division and the launch of a new AI-powered business unit called Cortex.
Underwriting profit in the specialty insurance division reached $142.1 million, more than double the $63.2 million reported in the same period a year earlier. The segment posted a 93% combined ratio, absorbing a two-point hit from net catastrophe losses tied to the Middle East conflict and another two-point drag from the runoff of Markel's exited Global Reinsurance division.
Chief Executive Simon Wilson, speaking on the earnings call, said Cortex was built in partnership with Bain & Company to reimagine how the company underwrites and services hard-to-place U.S. casualty risks. The unit launched last week within Markel's wholesale and specialty division, just months after the project kicked off in March.
"We moved quickly, learned a great deal, and believe we have created something of genuine value in an area of the market where Markel has a right to win," Wilson said.
He described the new unit as built with market-leading AI tools but designed by Markel and Bain experts, combining decades of underwriting experience with the insurer's accumulated data. Wilson said the company has challenged each business line to find ways to deliver products faster by examining every stage of their processes and identifying where AI can support them.
"AI provides Markel Insurance with tools that allow us to reimagine how work gets done," he said. "However, AI is only valuable if it improves service to our customers while generating attractive returns on capital over time."
Wilson said business unit leaders determine how best to deploy the technology, with leadership's role being to challenge those leaders to think differently and share the best ideas emerging across the company.
The earnings call marked the first full quarter where Markel Insurance was treated as the primary growth engine for Markel Group, following a corporate reorganization that elevated the insurance segment's role within the holding company structure.
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