Ostrum Asset Management, a responsible European institutional investment management leader

"

OUR VISION

Extend our client's commitments through investment in order to help ensure the life, health and retirement plans of European citizens.

 

"
Olivier Houix, Chief Executive Officer

Our expertises

Our fixed income strategies Our fixed income strategies
Fixed-income investment management sits at the core of Ostrum AM's identity, as we draw on our teams' expertise and their average 20 years' experience in interest rate and credit investment across all geographical areas and management styles.
 Read more
A customized range of insurance-related solutions A customized range of insurance-related solutions
Liability-driven insurance portfolio management is one of Ostrum Asset Management's longstanding areas of expertise. We apply our skills across equities, bonds and multi-asset portfolios as we incorporate innovative diversifications.
 Read more
Our ESG Policy Our ESG Policy
With our expertise in ESG management, we help our clients to realize their commitments to responsible investment
 Read more
Our active quantitative management Our active quantitative management
We offer a unique perspective on investing in financial markets by combining the robustness of a quantitative approach and the know-how of experienced teams. This is the cornerstone of our innovative and transparent quantitative investment solutions.
 Read more
Ostrum in a few figures
€381 billion
of assets under management as at 31 March 2025*
including €266 billion for insurance-related management*
*Change in the methodology used for the reporting of assets, effective January 1, 2025.
81%
of assets in open-ended funds rated 4 or 5 stars by Morningstar
Ranking over 3 years in % of open-ended funds, excluding money market funds and funds not included in the scope of this Morningstar rating, as at 31 March 2025
125
investment professionals
including 80 PMs and 24 insurance management experts
Economic research, market strategy + more than 50 research experts
8 ESG & CSR strategists
as at 31 March 2025
100%
of assets analyzed through ESG criteria.
(Excluding RTO)
88%
of assets managed in open-ended funds certified by the French ESG “Label ISR”
Funds whose asset management company is Natixis Investment Managers International, but with investment management delegated to Ostrum AM
€43 billion
of green and sustainable bonds
as at 31 March 2025

News & Insights

Podcast
Reading time : 30 min.
NEWS MARKETS
MyStratWeekly – June 10th 2025
Read our market review and find out all about our theme of the week in MyStratWeekly and its podcast with our experts Axel Botte, Aline Goupil-Raguénès and Zouhoure Bousbih.
Read more
06/10/2025
Reserved for pros
Reading time : 5 min.
INSIGHTS CSR / ESG
MySustainableCorner – May 2025
Every month, find out all about the sustainable market bonds news in our newsletter "MySustainableCorner".
Read more
05/23/2025
Reserved for pros
Reading time : 5 min.
INSIGHTS EXPERTISES
Points of view - 1 question, 3 experts: China, Dollard and risky assets: what to expect post-Geneva?
Read more
05/23/2025
Reserved for pros
Reading time : 5 min.
PRESS RELEASE CORPORATE
Ostrum Asset Management announces three key appointments within its asset management teams
As part of its ongoing efforts to optimize its organization following the consolidation of all asset management and research expertise under the leadership of Gaëlle Malléjac, Global CIO, Ostrum Asset Management (Ostrum AM), an affiliate of Natixis Investment Managers, is pleased to announce three new appointments within this division.
Read more
04/29/2025
Reading time : 5 min.
NEWS CORPORATE
Two new accolades for Ostrum AM’s Actions CAC 40 strategy at the Lipper Fund Awards
Having already received the 'Best Fund over 3 Years' award in the 'Equity France' category in 2024, Ostrum AM's Actions CAC 40 Strategy was presented with two awards this year in the same category: 'Best Fund over 3 Years' and 'Best Fund over 5 Years'.
Read more
04/22/2025
See more

Join the
Ostrum community