One Equity Partners: $3.25 Billion Fund IX Closed

By Amit Chowdhry ● Sep 9, 2025

One Equity Partners, a middle market private equity firm, today announced it has completed fundraising for its ninth and largest fund to date, One Equity Partners IX, L.P., at $3.25 billion of committed capital. The Fund had a $2.75 billion target and a $3.25 billion hard cap. OEP IX’s closing increases the firm’s combined assets under management to approximately $16 billion.

OEP IX attracted commitments from limited partners in more than 30 countries around the world, including insurance companies, pension funds, asset managers, sovereign wealth funds, funds-of-funds, foundations, family offices and high net-worth individuals.

Counsel: Kirkland & Ellis served as legal counsel for OEP.

KEY QUOTES:

“We are thankful for the strong support from our existing investors, as well as our partnerships established with new investors. For nearly 25 years, we have remained consistent with our value-oriented investment strategy that enables middle market companies to achieve accelerated growth through transformational combinations.”

Greg Belinfanti, President of One Equity Partners

“We are especially grateful for the partnerships and steadfast support from our existing investors who have seen the success of our differentiated deal sourcing and value creation approach, and we look forward to developing long-term partnerships with the new investors we welcomed to the Fund.” 

David Lippin, Partner and Head of Investor Relations at One Equity Partners

“We remain committed to serving as responsible stewards of our investors’ capital and strive to continue delivering consistent returns.” 

Dick Cashin, Founder and Chairman of One Equity Partners

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