William Blair acted as financial advisor to FDH Aero (FDH), a portfolio company of Audax Private Equity (Audax), in connection with its pending sale to Bain Capital (Bain). The transaction signed on June 3, 2026, and is expected to close the second half of 2026.
About the Companies
FDH is a trusted global supply chain solutions partner for the aerospace and defense industry. With more than 60 years of experience, the company specializes in hardware, electrical and electronic products, and consumable products and services for OEM and aftermarket customers across the commercial, defense, and space sectors. FDH is based in Commerce, California, with operations across North America, Europe, and Asia.
Founded in 1999, Audax is a private equity firm based in Boston, Massachusetts with offices in San Francisco, New York, London, and Hong Kong. With roughly $19.5 billion of assets under management, Audax has invested in over 180 platforms and more than 1,500 add-on acquisitions since its inception in 1999.
Founded in 1984, Bain is one of the world’s leading private investment firms and is committed to creating lasting impact for their advisors, teams, businesses, and communities. Bain’s global platform invests across five focus areas: Private Equity, Growth & Venture, Capital Solutions, Credit & Capital Markets, and Real Assets. The firm has 24 offices on four continents, more than 1,850 employees, and roughly $225 billion in assets under management.
Learn more about our aerospace, defense, and government services investment banking expertise.
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