Investing in change

Sienna Investment Managers aims to challenge the status quo by developing innovative investment solutions designed to have a positive impact on the major social and environmental challenges we face.

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With more than €30 billion under management (as of March 2022), Sienna Investment Managers provides support to companies and individuals that want to see a sustainable and inclusive economy.

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About us

Sienna Investment Managers is the alternative investment platform of the publicly traded investment holding company GBL (Groupe Bruxelles Lambert), with offices in Luxembourg, London, Paris, Hamburg, Madrid, Amsterdam, Zurich and Seoul.

Our teams have a proven track record in impact investment and offer a broad spectrum of products. Sienna Investment Managers has five expertise: private credit, private equity, venture capital, listed and thematic asset management and real estate.

Expertise

ESG

At Sienna Investment Managers, ESG issues are incorporated across our investment solutions and we are proud to promote projects that have a positive impact.

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