About us
Specialist infrastructure investing
Our story
Sosteneo is a specialist infrastructure investment manager focused on construction-ready energy infrastructure across European markets, investing after development risk and before operation - where capability across construction, financing and revenue contracting supports asset resilience and long-term value creation.
Founded in partnership with Generali Investments and authorised by the Bank of Italy in 2023, the firm combines infrastructure investment expertise with experience across energy markets, asset delivery and management.
Sosteneo's senior leadership has worked across energy and infrastructure markets since the early 1990s, bringing multi-cycle experience across evolving technologies and market environments.
Part of Generali Investments [1]
Sosteneo is part of Generali Investments, a platform of asset management firms operating in more than 20 countries, offering distinctive strategies in public and private markets and expert insights to help investors achieve long-term performance. With €736 billion in assets under management and over 2,300 employees, Generali Investments is the asset management arm of the Generali Group, one of the world's largest insurance and asset management players.
Generali Investments supports each of its firms to innovate and grow with investment autonomy, ensuring they’re set up to develop sustainable and innovative solutions.
What we stand for
Our purpose is to accelerate the transition to clean energy by investing in the highest-quality construction-ready infrastructure. This focus defines who we are and why we exist. As a team, we are guided by a shared set of principles that shape how we work and how we deliver for our clients. These values underpin our commitment to creating sustainable, enduring value while supporting the evolution of the global energy system.
Using commercial means to achieve decarbonisation
As a fiduciary, trust is integral to our success
Each member of the team is critical to the whole
The best opportunities only last until others catch up
Source: Generali Investments Holding S.p.A. Data as at end Q4 2025, figures shown gross of double counting. Net AUM amounts to €661.0 bn. Employee figures as of February 2026. Generali Asset Management S.p.A. Società di gestione del risparmio, Generali Real Estate S.p.A. Società di gestione del risparmio, Infranity SAS, Sosteneo S.p.A. Società di gestione del risparmio, Sycomore Asset Management, Aperture Investors LLC (including Aperture Investors UK Ltd), Lumyna Investments Limited, Plenisfer Investments S.p.A. Società di gestione del risparmio, Conning, Inc., Conning Asset Management Limited, Conning Asia Pacific Limited, Conning Investment Products, Inc., Goodwin Capital Advisers, Inc. (collectively, “Conning”) and among its subsidiaries (Global Evolution Asset Management A/S - including Global Evolution USA, LLC and Global Evolution Fund Management Singapore Pte. Ltd - Octagon Credit Investors, LLC, Pearlmark Real Estate, LLC and MGG Investment Group), Generali Investments CEE are part of Generali Investments. Please note that the countries refers to the countries where the different funds of the asset management companies part of Generali Investments are registered for distribution. Please note that not all funds are registered in all the countries and not all the asset management companies are licensed to operate in such countries.