Loomis, Sayles & Company L.P. is an American investment management firm based in Boston.

As of December 31, 2023, Loomis Sayles has roughly US $335 billion in assets under management.

[2] In 2000, it was acquired by Natixis Global Asset Management.

[citation needed] Loomis Sayles has experimented with a variety of styles, notably including bottom-up, quantitative, and macro.

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