Sienna Investment Managers
Overview
Sienna Investment Managers is a pan-European asset manager and the alternative investment platform of the publicly traded investment holding company Groupe Bruxelles Lambert (GBL), focusing on private equity, private credit, real estate, and listed assets.
Investments
| Company | Date | Stage | Lead |
|---|---|---|---|
| Xsight Labs | Jul 2026 | Early Funding | Co-investor |
| Globality | Jan 2021 | Series E | Co-investor |
| Hourly | Jun 2022 | Series A | Co-investor |
| Iceberg Data Lab | Sep 2021 | Series A | Co-investor |
| Keon Group | May 2025 | Debt | Co-investor |
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Sector & Stage Mix
Industry, funding stage, and valuation band breakdowns.
FAQ
Where is Sienna Investment Managers based?
Sienna Investment Managers is headquartered in Strassen, Luxembourg.
When was Sienna Investment Managers founded?
Sienna Investment Managers was founded in 2013.
How many portfolio companies does Sienna Investment Managers have?
Sienna Investment Managers has 14 portfolio companies in Caplight's dataset.
What are some companies in Sienna Investment Managers's portfolio?
Portfolio companies visible on Caplight include Xsight Labs, Globality, Hourly, Iceberg Data Lab, Keon Group.
What was Sienna Investment Managers's most recent investment shown here?
Sienna Investment Managers's most recent investment in this portfolio sample was in Xsight Labs in 2026.
What sectors does Sienna Investment Managers focus on?
Sienna Investment Managers focuses on FinTech, Healthcare & Life Sciences, Energy & Sustainability, FinTech, Healthcare & Life Sciences, Energy & Sustainability, FinTech, Energy & Sustainability, AI, Data & Cloud Infrastructure, Media, Entertainment & Gaming, FinTech, AI, Data & Cloud Infrastructure, Enterprise Software, FinTech, Enterprise Software, Consumer & Commerce, Energy & Sustainability, Frontier & Industrial Tech, AI, Data & Cloud Infrastructure, Mobility, Transportation & Logistics, Telecommunications & Networking, Enterprise Software, AI, Data & Cloud Infrastructure, Frontier & Industrial Tech, Consumer & Commerce, Enterprise Software.
What company stages does Sienna Investment Managers focus on?
Sienna Investment Managers typically invests at the Mid stage.
What is Sienna Investment Managers's AUM?
Sienna Investment Managers's assets under management are estimated between $10.0B and $100.0B.