Ostrum Asset Management
Ostrum Asset Management, headquartered in Paris, France, is a leading European institutional asset manager founded in 2007. It is an affiliate of Natixis Investment Managers and part of Group BPCE. As of 2025, the firm manages over €386 billion in assets, employs approximately 382 people globally, and is recognized for its expertise in fixed income, insurance-related solutions, and responsible investment. The firm serves large institutional clients including insurers, pension funds, health insurers, and corporations, offering a range of strategies including fixed income, equities, multi-asset, and quantitative solutions.
Investment Strategy
Ostrum Asset Management specializes in fixed income and liability-driven investment solutions, combining robust quantitative analysis with in-depth team expertise. Its approach emphasizes responsible investment, integrating ESG (Environmental, Social, and Governance) considerations across all asset classes. Ostrum supports insurers and institutional clients with customized portfolios, balancing diversification with solid risk management, and seeks long-term sustainable returns by focusing on clients' life and retirement commitments. The firm pioneers in green and sustainable bonds, and a high proportion of its assets are managed with decarbonization and ESG targets.
Top Holdings
Equity Positions (567)
| Ticker | Security | Weight | Market Value | Shares | Avg Cost | Price | Change (QoQ) |
|---|---|---|---|---|---|---|---|
M MSFT | MICROSOFT CORP | 5.80% | $123.7M | 248,737 | $351.26 | $497.41 | +$31.3M |
N NVDA | NVIDIA CORPORATION | 4.44% | $94.7M | 599,120 | $79.42 | $157.99 | +$29.0M |
A AMZN | AMAZON COM INC | 4.18% | $89.1M | 406,124 | $171.89 | $219.39 | +$12.7M |
A AVGO | BROADCOM INC | 3.66% | $78.0M | 282,984 | $151.75 | $275.65 | +$30.4M |
M META | META PLATFORMS INC | 2.79% | $59.5M | 80,580 | $546.07 | $738.09 | +$13.7M |