Wynnchurch Capital, L.P.

Wynnchurch Capital, L.P. is a leading middle-market private equity investment firm founded in 1999. Headquartered in Rosemont, Illinois, a suburb of Chicago, with additional offices in New York and an affiliate in Canada, the firm's core mission is to partner with middle-market companies across the United States and Canada that demonstrate significant potential for growth and profit improvement.

Wynnchurch Capital specializes in a range of investment strategies, including recapitalizations, growth capital, management buyouts, corporate carve-outs, restructurings, and turnarounds. The firm targets investments in diverse sectors such as manufacturing, distribution, and services, with a focus on industries like aerospace & defense, automotive, building products, consumer goods, chemicals, energy services, industrials, mining and construction, and business services. As of December 31, 2025, Wynnchurch Capital manages approximately $9.2 billion in regulatory assets under management.

Led by Managing Partners John A. Hatherly (founder), Frank G. Hayes, Christopher P. O'Brien, and Greg B. Gleason, Wynnchurch Capital maintains a strong market position as a value-oriented, operationally-focused private equity firm. Recent activities include the July 2026 acquisition of GENLED Brands by its portfolio company Principal Industries, and the completion of the sale of Premier Forge Group to H.I.G. Capital, LLC in June 2026. The firm also celebrated its 25th anniversary in September 2024, reflecting its long-standing presence and success in the middle-market private equity landscape.