Think Broadly.
Act decisively.

Since 1926, Loomis, Sayles & Company has helped fulfill the investment needs of institutional and mutual fund clients worldwide. The firm’s performance-driven investors integrate deep proprietary research and integrated risk analysis to make informed, judicious decisions. Using foresight and flexibility, Loomis Sayles looks far and wide for value – across traditional asset classes and alternative investments – to pursue attractive, sustainable returns for clients.

Assets Under Management

$ 282.0* billion at 12/31/2022

*Please note that fund and account values may not total to firm AUM due to rounding

Funds and their amounts
color in donut fund amount
US Mutual Funds$75.1B

US Separate Accounts$147.0B

Non-US Mutual Funds$28.5B

Non-US Separate Accounts$31.4B

Natixis Investment Managers


Natixis Investment Managers serves financial professionals with more insightful ways to construct portfolios. Powered by the expertise of more than 20 specialized investment managers globally, we apply Active Thinking® to deliver proactive solutions that help clients pursue better outcomes in all markets. Natixis ranks among the world’s largest asset management firms1 ($917.1/€802.1 billion AUM2).

Natixis Investment Managers includes all of the investment management and distribution entities affiliated with Natixis Distribution, L.P. and Natixis Investment Managers S.A. Services/products are not available to all investors in all jurisdictions.
Learn more

Office Locations

Serving Clients in 20 Countries Across 6 Continents


  • Boston
  • Detroit
  • San Francisco
  • Chicago


  • London
  • Singapore
  • Utrecht

Investment Capabilities


  • Large Cap
  • Large Cap Growth
  • All Cap Growth
  • Small Cap
  • Small Cap Growth
  • Small Cap Value
  • Global
  • Global Equity
  • Global Growth
  • Small/Mid Cap
  • Mid Cap Growth
  • Small/Mid Cap Growth
  • Small/Mid Cap Core
  • International
  • International Growth
  • Emerging Markets
  • Global Emerging
    Markets Equity


  • Multi-Asset Credit
  • Multi-Asset Income
  • Global Allocation

Fixed Income

  • Broad Market
  • Short Duration
  • Intermediate Duration
  • Core
  • Core Plus
  • Multisector
  • Global
  • Global Bond
  • Global Credit
  • Global Debt Unconstrained
  • Global High Yield
  • Emerging Markets (EM)
  • EM Corporate Debt
  • EM Debt Local Currency
  • EM Short Duration Credit
  • Asia Credit
  • EM Debt Blended
  • Sector Specific
  • Senior Loans
  • Corporates
  • High Yield
  • Inflation Protected
  • Securitized
  • Active Treasury
  • LDI Strategies
  • Custom LDI Solutions
  • Long Duration Corporate
  • Long Duration Credit
  • Long Duration Gov't Credit
  • Municipals
  • Short
  • Intermediate
  • Medium
  • Crossover


  • Absolute Return
  • Long/Short Equity
  • Risk Premia

Private Credit

  • Investment Grade Private Credit
  • Opportunistic Private Credit

LS | Loomis Sayles and THINK BROADLY. ACT DECISIVELY. are a trademark of Loomis, Sayles & Company, L.P. registered with the US Patent and Trademark Office.

Certain products are not available to all investors and may be offered only to qualified investors.