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Sienna Investment Managers

Financial Services

Last Updated: November 20, 2025
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Revenue
$55.50M
Total Funding
--
Size
201 - 500
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Frequently Asked Questions About Sienna Investment Managers

What does Sienna investment managers do?+

Sienna Investment Managers is a multi-expertise pan-European asset manager of the publicly traded investment holding company Groupe Bruxelles Lambert (GBL). With a team of around 300 professionals, Sienna IM operates in Paris, Luxembourg, London, Hamburg, Frankfurt, Madrid, Amsterdam and Seoul. Spanning listed and private assets (real estate and private debt), Sienna IM builds bespoke and innovative solutions for its clients, with purpose. As of end of 2023, the Group oversees 34 billion under management, of which nearly a half are classified articles 8 & 9

What is Sienna investment managers's industry? +

Sienna investment managers operates in the Financial services industry.

What is Sienna investment managers's revenue? +

Sienna investment managers's revenue is $55.50m

What is Sienna investment managers's company size? +

Sienna investment managers has 201 - 500 employees.

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