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Ostrum in a nutshell

Ostrum Asset Management has been committed to helping clients provide for their future and achieve other long-term goals for more than 30 years. Our fund managers combine high-quality proprietary research with stringent risk analysis at each stage of the investment process to drive their decisions and deliver the highest quality outcomes for clients.

Ostrum Asset Management is based in Europe, with a local presence in the United States1 and Asia2, and provides a full range of high-performance active fundamental fixed-income and equity expertise, along with insurance investment management solutions to address investors’ needs worldwide.

Ostrum Asset Management ranks among the leading asset managers in Europe3 with €265.6 billion in assets under management4 for institutional clients, individual investors and distributors.



€265.6 bn in assets under management4

Global perspective and local presence

Part of the 2nd largest banking group in France7:
Groupe BPCE



Serving a large spectrum of clients from institutional to individual investors since 1984

More than 900 institutional clients, private banks & IFA6

70% of our institutional clients have partnered with us for seven years or longer6



Expertise across traditional asset classes and alternative investments

13 fixed-income strategies
10 equity strategies
7 alternative solutions 
1 multi-asset class insurance platform

86% of our funds AUM ranked in the 1st or 2nd quartile8



One of the first asset manager signatories to the UN PRI in 20089

Full carbon compensation of our direct greenhouse gas emissions since 20166


Ostrum Asset Management is an affiliate of Natixis Investment Managers.

Natixis Investment Managers serves financial professionals with more insightful ways to construct portfolios. Powered by the expertise of 26 specialized investment managers globally, we apply Active ThinkingSM to deliver proactive solutions that help clients pursue better outcomes in all markets.

Find out more about Natixis Investment Managers


1 US via Ostrum Asset Management U.S., LLC, limited liability company, registered as an investment adviser with the SEC. –
2 Asia via Ostrum AM Asia Limited – Registered as a fund management company with the Monetary Authority of Singapore – An Ostrum AM subsidiary and via Ostrum AM Hong Kong Limited, subsidiary of Ostrum AM Asia Limited. – 3 IPE Top 400 Asset Managers 2018 ranked Ostrum Asset Management as the 52nd largest asset manager, as at 12/31/2017. – 4 Ostrum Asset Management – 03/31/2019. – 5 IPE Top 400 Asset Managers 2018 ranked Ostrum Asset Management as the 52nd largest asset manager, as at 12/31/2017. More details: – 6 Source: Ostrum Asset Management as at 03/31/2019. – 7 Market share: 21.6% in customer savings deposits and 21.1% in customer loans (source: Banque de France Q3-2017 – all categories of non-financial customers). – 8 Morningstar – ranking over 3 years of Ostrum Asset Management’s open end funds - as at 03/31/2019. More details: – 9 2018 United Nations Principles for Responsible Investment. More details:  Referring to any ranking or award does not guarantee future results of the fund or the investment manager.

On 3 April 2018, Natixis Asset Management became Ostrum Asset Management.