Avantor Acquires Ritter GmbH and its Affiliates for ~€890 Million

Aptean Acquires ROTOR Software GmbH

June 17, 2026

Software

Aptean acquired ROTOR Software GmbH, a provider of dealer management solutions for motorists, agricultural, and construction machinery sectors in the DACH market. The deal expands Aptean’s presence in DACH and strengthens its portfolio of purpose-built dealer management systems for machinery dealers, repair shops, and related businesses.

Audax Private Equity Acquires Avantor's Clinical Services Business, Rebrands as Resonant Clinical Solutions

October 18, 2024

Healthcare Services

Audax Private Equity completed the acquisition of Avantor, Inc.'s Clinical Services business for approximately $650 million. The business has been rebranded as Resonant Clinical Solutions and is positioned as an independent platform in outsourced clinical trial services.

Roche Buys Telavant Holdings (Roivant/Pfizer) for $7.1B+

October 26, 2023

Healthcare Services

Roche entered into a definitive agreement to acquire Telavant Holdings, a company jointly owned by Roivant and Pfizer, for an upfront purchase price of $7.1 billion plus a near-term $150 million milestone payment. The deal gives Roche full rights to further develop, manufacture, and commercialize Telavant’s TL1A-directed antibody RVT-3101 in the US and Japan, with Pfizer retaining commercialization rights outside those territories.

Avantor Acquires Masterflex Bioprocessing Business from Antylia Scientific

September 7, 2021

Medical Devices

Avantor, Inc. agreed to acquire the Masterflex bioprocessing business and related assets from Antylia Scientific for $2.9 billion in an all-cash transaction (net purchase price approximately $2.7 billion after tax structure). Headquartered in Vernon Hills, Illinois, Masterflex is a manufacturer of peristaltic pumps and single-use fluid transfer technologies with estimated 2022 revenues of ~$300 million; the deal bolsters Avantor's single-use and bioproduction capabilities and is expected to be accretive to adjusted EPS in year one.

JF Petroleum Group Acquires Rittiner Equipment Company

May 4, 2021

Oil & Gas

The JF Petroleum Group, a MidOcean Partners portfolio company, has acquired Rittiner Equipment Company, a New Orleans–based full-service petroleum equipment distributor and service provider. The add-on expands JF Petroleum Group's footprint and service capabilities across the U.S. Gulf Coast, enhancing its ability to serve fueling equipment and construction needs in key markets.

Grain Management Acquires Majority Stake in Ritter Communications

August 12, 2019

Telecommunications

Grain Management signed a definitive agreement to acquire a majority stake in Ritter Communications from E. Ritter and Company, with the Ritter family retaining board positions. The investment will support accelerated growth and fiber network expansion across Ritter's service area; the deal is subject to customary regulatory approvals and was expected to close in Q4 2019 (financial terms not disclosed).