About Asset Management One

Asset Management One USA Inc. (“Asset Management One USA”) is a New York based investment advisor, which is a wholly owned U.S. subsidiary of Asset Management One Co., Ltd. (“Asset Management One”), a global asset management company based in Japan.

Asset Management One was originally established in 1999 under the name of DLIBJ Asset Management Co., Ltd. as a joint venture between Mizuho Financial Group and The Dai-Ichi Lifess Insurance Company from pre-existing asset management units within each company.  The company changed its name to DIAM Co., Ltd. in 2008 to reflect its growth and increased international stature.  In October 2016,  the company adopted an entirely new name, Asset Management One, as a result of the integration of DIAM Co., Ltd., Mizuho Asset Management Co., Ltd., Shinko Asset Management Co., Ltd., and Asset Management divisions of Mizuho Trust & Banking Co., Ltd.

Asset Management One USA was originally established in 1994 under the name of Dai-ichi Life Investment Management, Co., Ltd.  The company was renamed to DLIBJ Asset Management USA, Inc. in 2000 when it was brought under control of DLIBJ Asset Management Co., Ltd.  The company was renamed again to DIAM U.S.A., Inc. in 2008 and to Asset Management One USA in October 2016, following the name changes of its parent company.
Asset Management One has 4 overseas subsidiaries including Asset Management One USA in the United States, United Kingdom, Singapore, and Hong Kong.  


Asset Management One USA acquired all interest in Mizuho Alternative Investments (“MAI”) from MAI’s parent company Mizuho Americas LLC(Bank Holding Company of Mizuho Financial Group)to become the new entity. MAI was established in New York in 2007 for the purpose of becoming part of the asset management business of Mizuho Financial Group and has been providing products with a focus on quants strategy.