Sienna Investment Managers

Overview

Sienna Investment Managers is a pan-European asset manager operating under the publicly traded investment holding company Groupe Bruxelles Lambert (GBL). With over €40 billion in assets under management as of December 2024, Sienna IM offers a diverse range of investment solutions across listed and private assets, including private equity, private debt, real estate, and venture capital. The firm is committed to building bespoke and innovative solutions for its clients, emphasizing sustainability and purpose-driven investments. The firm operates through various specialized entities, such as Sienna Gestion, authorized by the AMF as a UCITS manager and AIFM, and Sienna Venture Capital, which focuses on early-growth companies aiming to sustainably transform their sectors and society. Sienna Venture Capital typically invests between $5 million and $15 million per deal, targeting sectors like cybersecurity, fintech, digital health, foodtech, agritech, artificial intelligence, and mobility. Sienna IM's investment philosophy centers on long-term value creation, integrating environmental, social, and governance (ESG) factors into its investment processes. The firm maintains a strong presence across Europe and Asia, with offices in Paris, Milan, Hamburg, Frankfurt, Luxembourg, London, Madrid, Amsterdam, and Seoul. This extensive network enables Sienna IM to leverage local expertise and global reach, providing comprehensive support to its portfolio companies and clients.