Madison Dearborn Partners Makes Strategic Investment in Omni Federal

Madison Dearborn Partners Acquires Significant Ownership Position in NextGen Healthcare

May 2, 2025

Healthcare Services

Madison Dearborn Partners (MDP) has acquired a significant ownership position in NextGen Healthcare, partnering with existing investor Thoma Bravo and NextGen management to accelerate the company's growth and increase R&D investment. Thoma Bravo retains a material ownership stake; NextGen will also implement a planned CEO succession with President & COO Srinivas (Sri) Velamoor succeeding David Sides.

Madison Dearborn Partners Makes Strategic Growth Investment in Harmonia Holdings Group

September 9, 2024

Government & Public Sector

Funds affiliated with Madison Dearborn Partners (MDP) have made a strategic growth investment in Harmonia Holdings Group to accelerate the company's expansion as a digital transformation provider to the U.S. Federal Government. As part of the transaction, industry veteran Damon Griggs joins Harmonia as CEO and Chairman and Jon Brooks joins as Chief Business and Legal Officer; Harmonia's founders retain significant ownership. Financial terms were not disclosed.

Madison Dearborn Partners Acquires Majority Stake in Unison from Carlyle

July 12, 2022

Software

Funds affiliated with Madison Dearborn Partners (MDP) will acquire a controlling stake in Unison from funds managed by Carlyle, with Carlyle remaining a minority investor. The investment will support Unison's software innovation and growth in procurement, supply chain, and contract management solutions for U.S. federal agencies and government contractors; financial terms were not disclosed.

Madison Dearborn Partners Acquires T2S Solutions

November 29, 2023

Aerospace & Defense

Funds affiliated with Madison Dearborn Partners have acquired T2S Solutions, a founder-owned provider of R&D, prototyping, engineering, integration, and technology products serving the U.S. Department of Defense, the Intelligence Community, and other U.S. government agencies. The T2S founders will retain a significant minority stake and continue to lead the company as MDP provides capital and industry expertise to accelerate R&D, bring products to lead production, and expand mission-focused capabilities.

Madison Dearborn Partners Increases Equity Stake in Amynta Group

March 10, 2022

Insurance

Funds affiliated with Madison Dearborn Partners (MDP) acquired all equity interests in Amynta Group previously held by AmTrust Financial Services, increasing MDP’s majority ownership while Amynta’s management retains a minority stake. The transaction strengthens MDP’s partnership with Amynta to support continued growth of the underwriting services and warranty business; existing commercial arrangements between Amynta and AmTrust will remain in place.

Madison Dearborn Partners to Acquire Zilliant

December 6, 2021

Cloud & SaaS

Funds affiliated with Madison Dearborn Partners have agreed to acquire Zilliant, a cloud-native B2B price optimization and price management software company headquartered in Austin, Texas. The deal (terms undisclosed) is expected to close in Q4 2021, with MDP taking a controlling stake to support Zilliant's growth and product innovation.