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Ostrum Asset Management

Ostrum Asset Management is among the European leaders in institutional asset management, providing support to its clients across the entire investment value chain, with a full range of solutions, a set of insurance-based, active and quantitative management offerings, combined with a comprehensive suite of dedicated services.

Ostrum Asset Management stands out for its commitment to advancing finance for positive societal impact. The firm strives to deliver durable value for its clients’ investments, enabling them in their social focus centered on life-stage goals such as retirement, health, and protection against life’s risks (life & disability and P&C insurance).

Ostrum Asset Management provides support to its clients across the entire investment value chain, with a full range of solutions, a set of insurance-based (equities, fixed income, multi-assets), active (fixed income, money market, equities) and quantitative management offerings, combined with a comprehensive suite of dedicated services.

Guided by an integrated ESG framework geared toward sustainable performance, Ostrum Asset Management manages assets for major institutional clients (insurers, pension funds, mutual health insurers, corporates). The firm positions itself as a long-term partner, delivering proactive, personalized, and transparent end-to-end support in service of responsible investing.

With more than 125 investment specialists incl. ~50 research experts – all with an average experience of more than 20 years – we are experts at what we do."
– Matthieu Mouly, Head of Business Development, Ostrum Asset Management

Source: Ostrum, as of March 31. 2025

The analyses and opinions referenced herein represent the subjective views of the author(s) as referenced, are as of the date shown and are subject to change without prior notice.

Ostrum Asset Management
Founded
1984
Headquartered
Paris, France
Expertise
Euro sovereign debt, inflation, aggregate, emerging, credit, money markets, equity and fixed income insurance-specific solutions
AUM
US $444.90B as of March 31, 2026
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Related insights

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Assets under management (AUM) as of March 31, 2026. AUM, as reported, may include notional assets, assets serviced, gross assets, assets of minority-owned affiliated entities and other types of nonregulatory AUM managed or serviced by firms affiliated with Natixis Investment Managers.