Sienna Investment Managers

Name

Sienna Investment Managers

Legal name

Sienna Investment Managers

Website

https://sienna-im.com

Company type

Private

Founded year

2021

Operating status

Operating

Headcount range

1–10 employees

Ownership category

akta.pro rank

Product category

Asset Management

NAICS

Portfolio Management and Investment Advice (523940), All Other Financial Investment Activities (52399), Other Investment Pools and Funds (5259)

SIC

Investment Advice (6282), Real Estate (6500)

akta.pro primary industry

Multi-Asset Solutions for Institutional (Pensions/Endowments/Sovereigns) (FSAAAJAJ)

akta.pro secondary industries

Institutional Consulting RIAs (OCIO/Endowments/Foundations/Pensions) (FSAAACAG), Real Estate Portfolio & Fund Management (Institutional/REIT/PE) (BPAJAMAJ), Real Estate Investment Advisory (Acquisitions/Dispositions, Capital Allocation) (BPAJANAA), Endowment / OCIO-Style Multi-Manager Platforms (FSANAGAG)

Keywords

• Asset management services
• Private credit financing
• Hybrid investment funds
• ESG sustainable investing
• Multi-asset management

Headquarters

HQ city

Paris

HQ country

France

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Others

Revenue model

1. Asset Management Fees: Management fees charged on assets under management across listed and private asset strategies
2. Performance Fees: Performance-related fees on certain fund strategies
3. Hybrid Fund Products: Combined listed and unlisted asset products for retail and institutional investors with diversified fee structures

Pricing tiers

Go-to-market motion3 records

Distribution channels5 records

Marketing channels4 records

Core offering

Sienna Investment Managers is a multi-expertise European asset manager that manages approximately €33 billion in assets across three business lines: listed assets (open-ended funds, UCITS money market and absolute return strategies), private credit (biodiversity, defense, energy transition, real estate debt, ABL, impact debt), and hybrid assets (real estate, venture capital, evergreen FCPR). The firm offers investment solutions for institutional investors, corporates, and retail/wholesale clients, with a strong emphasis on ESG and impact investing.

Product overview

Sienna Investment Managers is a multi-expertise asset manager operating as a platform-plus-subsidiaries structure with approximately €33 billion in assets under management (end 2025). The core business comprises three main expertises: Listed Assets (public equity and fixed income), Private Credit (private debt financing solutions), and Hybrid Assets (combining listed and unlisted assets for retail access to private markets). The product portfolio includes specialized funds across sustainability themes (Biodiversity Private Credit Fund targeting €200 million), defense financing (Defense Europe fund with €270+ million), infrastructure debt (SID series), impact/social debt, energy transition debt, and hybrid funds (Sienna Trésorerie Plus, Sienna Protection 90, FCPR Evergreen). Subsidiaries include Sienna Gestion (AMF-regulated, GP97020), Sienna AM France (AIFM-regulated, GP97118), Sienna Real Estate, Sienna Venture Capital, and Ver Capital (Italy). Over 90% of assets are classified under SFDR Article 8 or 9.

Differentiator

Problem solved

Functional benefit

Brands

• Sienna Biodiversity Private Credit Fund: Article 9 SFDR fund devoted to restoring and protecting biodiversity in Europe with €200M target size
• Sienna Protection 90
• Sienna Private Debt Defense Europe

Products and services

• Sienna Biodiversity Private Credit Fund

Quantifiable outcome

• Over 90% of assets under management classified as SFDR Article 8 or 9
• +2 more outcomes

Named customers3 records

Segments5 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Nine partnerships are on record, tiered core, minor and strategic.

• Ecopower LimitedcoreStrategic or Co-development Partner · 1 May 2026Sienna IM providing approximately €20 million financing for Ecopower's 100 MW onshore wind farm project in Ireland, with First Berlin acting as financial adviser.
• First Berlin Securities Brokerage FBSB GmbHminorImplementation/ SI/ Consulting Partner · 1 May 2026Exclusive financial and commercial adviser to Ecopower Limited for the Irish wind farm financing transaction.
• HabitatstrategicTechnology or Integration · 1 October 2024Partnership with Canadian environmental solutions company Habitat to develop an innovative tool for evaluating investment impact on biodiversity.
• Cedrus & PartnerscoreStrategic or Co-development Partner · 1 June 2024Partnership to launch FCPR Evergreen fund combining private equity, infrastructure and bond assets, targeting €150 million with initial €40 million commitment.
• AgroParisTech FoundationminorStrategic or Co-development Partner · 1 April 2024Sienna IM becoming patron of the Ecological Accounting Chair at AgroParisTech Foundation, demonstrating commitment to ecological transition.
• Ver CapitalcoreStrategic or Co-development Partner · 1 April 2024Acquisition expanding Sienna IM's private credit activities to Italy, with Ver Capital managing €100 million Special Situ fund.
• Science Based Targets initiative (SBTi)strategicStrategic or Co-development Partner · 1 January 2023Sienna IM commitment to SBTi for setting science-based targets for greenhouse gas emissions reduction.
• UN PRIstrategicStrategic or Co-development Partner · 1 January 2023Signatory to UN Principles for Responsible Investment, demonstrating ESG commitment.
• CDPstrategicStrategic or Co-development Partner · 1 January 2023Signatory to CDP (Carbon Disclosure Project) for climate change reporting.

Scale indicators12 records

Recent moves7 records

Expansion highlights7 records

Direct peers

• Tikehau Capital: Paris-listed alternative asset manager with comparable multi-strategy platform spanning private credit, private equity, real estate, and capital markets strategies. Closely comparable in size, French/European footprint, and thematic focus on energy transition and SME financing.
• Eiffel Investment Group: French alternative asset manager focused on private debt, energy transition infrastructure debt, and impact strategies. Directly comparable in French private credit origination and Article 9/ESG positioning.
• Muzinich & Co: European-headquartered global credit specialist with private credit and impact credit funds. Comparable in European private credit strategy and institutional distribution, with overlapping SME/specialty financing activity.
• Idinvest Partners (Eurazeo Private Debt): Now part of Eurazeo, Idinvest built a leading French private debt and SME financing franchise. Highly comparable in mid-market European private credit origination and direct lending model.

Broad incumbents

• Eurazeo: Paris-listed European investment company with private debt, private equity, and real asset strategies. Comparable in French institutional heritage and pan-European alternative asset positioning, though Eurazeo operates a larger and more diversified franchise.
• Ardian: Paris-headquartered global private investment house with deep private credit, private equity, infrastructure, and real estate franchises. Comparable institutional LP base and European private credit origination footprint.
• AXA IM Alts: Alternative investment arm of AXA IM managing real assets, private debt, and impact funds across Europe. Comparable institutional client base and growing overlap in private credit and sustainable infrastructure debt strategies.
• Amundi: Europe's largest asset manager with extensive ESG/SFDR Article 8/9 product range and growing private credit and real asset capabilities. Comparable as a major European competitor in institutional ESG fund mandates.
• Schroders: Global asset manager with significant European private credit, sustainable investing, and multi-asset capabilities. Relevant comparable given Sienna Chairman Michael Dobson's prior role at Schroders.
• Natixis Investment Managers: French-headquartered global asset manager with multi-affiliate model spanning private credit, ESG, real assets, and multi-asset solutions. Comparable in European institutional footprint and alternative-credit capabilities.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/sienna-capital

Revenue estimate

Valuation estimate

Number of profiles

Profiles15 records

Subsidiaries7 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments9 records

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Sienna Investment Managers