One Equity Partners, a private equity firm, completed the acquisition of a majority stake in Rosboro Holdings, a manufacturer of engineered wood products, from Wynnchurch Capital, a private equity firm. Financial terms were not disclosed. “Rosboro represented an opportunity to invest in a company with a leading market position, differentiated product offering and long-standing customer relationships. We are proud of the management team’s accomplishments during our ownership period and are excited to continue our partnership with management during Rosboro’s next phase of growth," Brian Crumbaugh, Wynnchurch Partner.