ATON GmbH is the Munich-based evergreen industrial holding of the Helmig family, founded in 2001 by Dr. Lutz M. Helmig after the sale of Helios Kliniken. It takes long-term majority stakes in market-leading B2B companies across engineering, mining services, medical technology, aviation and digital infrastructure, funding acquisitions off its own balance sheet with an equity ratio of around 50 percent. The group generated roughly EUR 2.2 billion of operating performance in 2023 and employed about 15,600 people worldwide.
ATON GmbH is a Munich buyout firm with €1.2B AUM, 11 active companies and 3 exits.
- ·Average hold across 3 realized deals: 10 years.
- ·Top sector focus: Industrials (29% of portfolio).
Sector breakdown
14 companiesGeography breakdown
5 geographiesKey facts
Recent exits
ATON GmbH exited Murray & Roberts Holdings in 2025 after 7 years.
ATON GmbH sold FFT Produktionssysteme to Fosun in 2019 after 13 years.
ATON GmbH sold W.O.M. World of Medicine to Novanta in 2017 after 9 years.
Coverage notes
1 fund tracked, 14 portfolio companies (11 active · 3 realized). Verified weekly from public filings and deal announcements.
Funds & portfolio
Every fund ATON GmbH has raised, with its portfolio companies. Hand-checked from public filings.
ATON Evergreen HoldingActiveEvergreen200111 assets3 exitsEvergreen2001 · 25yr–113
Unrealized
11 held| Company | Entry |
|---|---|
| Antriebssysteme Faurndau Industrials · Germany | 2021 |
| AspiAir Pharma · Germany | 2019 |
| Autotest Suedtirol Business Services · Italy | 2022 |
| DC Aviation Business Services · Germany | 2007 |
| ecoCOAT Industrials · Germany | 2022 |
| EDAG Engineering Group Mobility · Germany | 2006 |
| Krebs & Aulich Industrials · Germany | 2021 |
| OneFiber Interconnect Telecom · Germany | 2019 |
| OrthoScan MedTech · US | 2011 |
| Redpath Mining Business Services · Canada | 2006 |
| Ziehm Imaging MedTech · Germany | 2004 |
Realized
3 exits| Company | Entry | Exit | Type | Buyer | MOIC |
|---|---|---|---|---|---|
| FFT Produktionssysteme Industrials · Germany | 2006 | 2019 | Trade Sale | Fosun | – |
| Murray & Roberts Holdings Business Services · South Africa | 2018 | 2025 | – | – | – |
| W.O.M. World of Medicine MedTech · Germany | 2008 | 2017 | Trade Sale | Novanta | – |
Frequently asked questions
- What investment strategy does ATON GmbH focus on?
- ATON GmbH focuses on Buyout strategies in the private equity space.
- How many portfolio companies does ATON GmbH have?
- ATON GmbH has 11 active portfolio companies and 3 completed exits and 1 fund tracked on GP Intel.
- Where is ATON GmbH headquartered?
- ATON GmbH is headquartered in Munich, Germany.
- What is ATON GmbH's assets under management?
- ATON GmbH manages approximately €1.2B in assets under management.
- When was ATON GmbH founded?
- ATON GmbH was founded in 2001.
- What sectors does ATON GmbH invest in?
- ATON GmbH invests across Industrials, Business Services, Healthcare, TMT.
- What are ATON GmbH's recent exits?
- Recent realized exits by ATON GmbH include: FFT Produktionssysteme (2019) to Fosun; W.O.M. World of Medicine (2017) to Novanta.
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Other private equity firms tracked on GP Intel.