09:25 AM EDT, 07/07/2025 (MT Newswires) -- White Mountains Insurance Group ( WTM ) said Monday it has agreed to acquire a majority stake in Distinguished Programs, a managing general agent and program administrator for specialty property and casualty insurance.

The company said it expects to acquire about 50% of Distinguished's outstanding equity interests for about $230 million. White Mountains currently owns about 1% of the company.

Aquiline Capital Partners, the current majority owner, will retain a significant minority stake.

The deal is expected to close in Q3 2025, subject to regulatory approvals and other customary closing conditions.