DIAM - Crafting the ideal portfolio for you.

About Us

DIAM U.S.A., INC. is a New York based institutional money management firm that manages over $3.0 billion (as of December 31, 2015) in fixed income,  equity and fund strategies for U.S. and Japanese institutional investors. The company was formed in 2000 and is a wholly owned subsidiary of DIAM Co., Ltd., which is headquartered in Tokyo, Japan.


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We provide a strong selection of fixed income and equity strategies, which capitalise on our fundamental and quantitiative capabilities.


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