Antin Infrastructure Partners
Also known as Antin, Antin Infrastructure Partners SA, Antin Infrastructure Partners SAS
Euronext-listed Paris infrastructure private equity firm founded in 2007; €33.3bn AUM (June 2026) across Flagship, Mid Cap and NextGen funds investing in Europe and North America.
- HEADQUARTERS
- Paris, France
- FOUNDED
- 2007
- OUTSIDE CAPITAL
- Yes
- TEAM LISTED
- 10 people
Focus
- STAGES
- GrowthBuyout
- ASSET MIX
- Private equity
- GEOGRAPHY
- EuropeNorth America
Overview
Antin Infrastructure Partners was founded in Paris in 2007 by Alain Rauscher and Mark Crosbie and invests in infrastructure companies in Europe and North America in energy and environment, digital, transport and social infrastructure. It runs three strategies: Flagship (about €400M–€1bn+ of equity per investment), Mid Cap (€100M–€400M) and NextGen (€50M–€200M, for businesses scaling into next-generation infrastructure). It reported €33.3bn of assets under management at 30 June 2026, over 300 fund investors across seven funds, and more than 250 staff in Paris, London, New York, Seoul, Melbourne and Luxembourg. It is listed on Euronext Paris and majority owned by its partners.
Investment thesis
Value-add investing in established infrastructure companies providing essential services, with active operational improvement; most investments originated through exclusive discussions.
PORTFOLIO (12)
- CityFibreNOTABLE
- EurofiberNOTABLE
- PorterbrookNOTABLEMobility & Logistics · Exited
- HP Helicopterssince 2026
- Sapphire Gas SolutionsClimate & Energy · since 2026
- Belambrasince 2026
- NorthC
- Vicinity EnergyClimate & Energy
- Origis EnergyClimate & Energy
- Babilou FamilyEducation
- Vigor Marine GroupMobility & Logistics
- SwiftairMobility & Logistics
People
- Alain RauscherCo-Founder, Chairman of the Board and Chief Executive Officer · source
- Mark CrosbieCo-Founder, Vice-Chairman of the Board · source
- Mélanie BiessyManaging Partner and Chief Operating Officer · source
- Stephane IfkerManaging Partner and co-Chief Investment Officer · source
- Angelika SchöchlinManaging Partner and co-Chief Investment Officer · source
- Anand JagannathanSenior Partner, NextGen · source
- Sébastien LecaudeySenior Partner, Investor Relations · source
- Simon SöderSenior Partner and Head of London Office · source
- Guillaume FriedelSenior Partner and co-Head of New York Office · source
- Ryan ShockleySenior Partner and co-Head of New York Office · source
Links
Frequently asked questions
Antin Infrastructure Partners is a private equity fund based in Paris, France, founded in 2007.
Yes. Antin Infrastructure Partners invests its own capital in private companies.
Antin Infrastructure Partners invests at Growth and Buyout stages in Climate & Energy and Mobility & Logistics.
Antin Infrastructure Partners's stated ticket size is €50M–€1B.
Key people at Antin Infrastructure Partners include Alain Rauscher (Co-Founder, Chairman of the Board and Chief Executive Officer), Mark Crosbie (Co-Founder, Vice-Chairman of the Board), Mélanie Biessy (Managing Partner and Chief Operating Officer) and Stephane Ifker (Managing Partner and co-Chief Investment Officer).
Antin Infrastructure Partners's investments include CityFibre, Eurofiber, Porterbrook, HP Helicopters, Sapphire Gas Solutions, Belambra, NorthC and Vicinity Energy, among others.
The most recent publicly reported investment by Antin Infrastructure Partners is HP Helicopters (Majority stake (NextGen Fund I)), announced in Oct 2026.
Yes. Antin Infrastructure Partners manages capital from outside investors.