Ackermans & Van Haaren is an investment company. Co. operates in five sectors: Marine Engineering & Infrastructure, which includes DEME NV, a dredging and marine company; Private Banking, which includes BDM NV - Continentale Verzekeringen NV (ASCO NV), which focuses on marine and industrial insurance via brokers; Real Estate, Leisure & Senior Care, which includes Extensa Group NV, a real estate developer; Energy & Resources, which includes Telemond Group, a supplier to the crane and automotive industry; and Development Capital, which is engaged in ICT and engineering, retail and distribution, real estate development, and media and printing.

Cofinimmo is a fixed capital real estate investment trust. Co. specializes in rental property. Its core investment segments are office property and nursing and care institutions. The portfolio also includes a Distribution property networks segment. Most of Co.'s assets are in Belgium. The foreign part consists of nursing homes/ clinics and the MAAF agencies network in France and the Pubstone portfolio in the Netherlands. Co.'s operations are organized into four segments: Offices, Nursing homes/Clinics, Distribution property networks, and Public-Private Partnerships.

Inventiva is a clinical stage biotechnology research company delivering therapies in the areas of oncology, fibrosis and rare diseases. The most advanced clinical programs (IVA337 for systemic sclerosis in Non-Alcoholic Steato-Hepatitis and IVA336 for Maroteaux-Lamy syndrome-MPS VI) have demonstrated efficacy in relevant in vivo and in vitro models as well as safety in phase I and phase II clinical trials. Using its in-house drug discovery platform, which covers target validation, screening, chemistry, ADME and pharmacology, Co. is developing an internal oncology and fibrosis discovery pipeline with approaches centered on transcription factors, epigenetics targets and nuclear receptors.

Leasinvest Real Estate is a real estate investment trust. Co. invests in retail buildings, offices and logistics buildings, in the Grand Duchy of Luxembourg and in Belgium. As of Dec 31 2013, Co.'s real estate portfolio is composed of 34 sites (including the assets held for sale & the development projects) with a total surface of 429,579 m2, of which 18 are located in Luxembourg and 16 in Belgium. Co. rents its properties to tenants across various business sectors, such as services, retail and wholesale, financial services, transport and distribution, government and non-profit, industry, medical and pharma, and ICT.