IONOS Group SE to Join the MDAX Index

Deutsche Börse has announced that IONOS Group SE will be included in the MDAX index – which comprises the 50 largest listed mid-cap companies in Germany – effective 23 June 2025.

This significant milestone highlights IONOS' successful growth trajectory since its IPO in February 2023 and reflects the strong performance of the IONOS share in recent months. The inclusion follows the company’s transition from the SDAX and underscores IONOS' growing relevance and strength in the market.

The inclusion in the MDAX is a recognition of our ongoing efforts in innovation, scalability, and value creation.