Ossiam is a global investment management firm that develops and manages investment funds based on systematic and quantitative investment processes. The Ossiam team has extensive experience in fund management, quantitative research, data and technology, financial product design, trading and risk management. Ossiam believes that advanced research is fundamental to moving the quantitative investment industry forward and providing investors with systematic strategies that are understandable, transparent and repeatable. Ossiam’s expertise spans indexation, enhanced beta and absolute return strategies in equities and fixed income through active and passive ETFs, mutual funds, dedicated funds or bespoke solutions. As a signatory of UNPRI since 2016, Ossiam incorporates ESG data into some of its systematic investment process and implements a proxy-voting and engagement policy reflective of firm beliefs. Ossiam is an affiliate of Natixis Investment Managers and manages EUR 10.3 bn / USD 12.1 bn as of December 2025 on behalf of institutional and professional investors. Ossiam is regulated by the Autorité des marchés financiers (AMF).
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OSSIAM Questions
The OSSIAM annual revenue was $5 million in 2026.
Tristan Perret is the CIO Index Solutions and Head of Execution of OSSIAM.
50 people are employed at OSSIAM.
OSSIAM is based in Paris, Île-de-France.
The NAICS codes for OSSIAM are [5259, 525, 52, 52591].
The SIC codes for OSSIAM are [67, 672].
Top OSSIAM Employees
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21
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Aymeric Badoy
Sales Director at OSSIAM
London, GB13 -
Philippe Chanzy
Deputy CEO at OSSIAM
Paris, FR2 -
1
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Yann Yeramian
Portfolio Manager at OSSIAM
Aix-en-Provence, FR21 -
Skander Bakir
Portfolio Manager at OSSIAM
Puteaux, FR31
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