Astorg Acquires Majority Stake in Steliau

Astorg to Acquire Majority Stake in Solabia Group

May 7, 2025

Biotechnology

Astorg has signed a definitive agreement to acquire a majority stake in Solabia Group from TA Associates, with TA reinvesting alongside Astorg. Solabia, a Paris-headquartered biotech ingredients manufacturer with 11 production sites, 8 R&D labs and over 900 employees, will partner with Astorg to accelerate international expansion (particularly in the US and Asia), advance product innovation and pursue targeted M&A.

Astorg Acquires Majority Stake in Corialis from CVC Capital Partners

March 30, 2021

Building Products

Astorg has agreed to acquire a majority stake in Belgian aluminium systems manufacturer Corialis from CVC Capital Partners Fund VI, with management reinvesting alongside the buyer. The deal was financed with an inaugural ESG-linked syndicated Term Loan B of more than €1 billion and positions Astorg to support Corialis' industrial investment programme, broaden its product offering and pursue international growth. Corialis is headquartered in Lokeren, Belgium and employs approximately 2,700 people across eight sites.

Astorg to Acquire Majority Stake in Lebronze alloys

October 8, 2024

Manufacturing

Astorg has entered exclusive negotiations to acquire a majority stake in Lebronze alloys, a France-headquartered global leader in high-performance copper and nickel alloys. The investment would see Lebronze's Executive Chairman Michel Dumont remain a significant shareholder while Astorg supports growth initiatives including geographic expansion (notably the U.S. and India) and downstream service-center rollouts; financial terms were not disclosed.

Astorg Increases Stake in Acturis

July 2, 2024

Cloud & SaaS

Astorg has agreed to acquire an additional stake in Acturis and will now own approximately 52% of the company, becoming the majority shareholder. Acturis' founders and management remain significant minority shareholders and will partner with Astorg to support the company's international growth and continued expansion of its insurance-focused SaaS platform.

Astorg Acquires Majority Stake in Avania

June 20, 2022

Healthcare Services

Astorg has acquired a majority stake in Avania from Kester Capital, with Kester expected to retain a minority position and management also reinvesting. Avania, a Bilthoven-headquartered MedTech-focused clinical CRO, will use Astorg's capital and network to accelerate organic growth and pursue M&A to build a scaled, global MedTech CRO platform.

AXAITRA Group Acquires Stellium

December 19, 2025

IT Services

AXAITRA Group, a Munich-based Microsoft-focused cloud and AI platform backed by Greenpeak Partners, has integrated Stellium, a Swiss Microsoft and enterprise AI consultancy headquartered in Nyon. Stellium will continue to operate independently while leveraging AXAITRA's platform to scale its AI-first Microsoft transformation model across Europe.