Ambac Financial, an insurance holding company, agreed to acquire a 60% stake in Beat Capital Partners, a private equity firm, for $282m. “This is a monumental day for Ambac. The acquisition of Beat, which is one of the largest UK independent underwriting managers, aligns with our vision of being a premier destination for MGAs and materially accelerates our progress towards our three-year target of generating in excess of $100m of annual EBITDA," Claude LeBlanc, Ambac President and CEO.