Diam U.S.A., Inc. (New York)


Diam U.S.A., Inc. is a large advisory firm based in New York. It manages $3.05 billion of regulatory assets for 43 client accounts. It has been registered with the SEC as an adviser since 2008 and has operated in the jurisdiction of New York.

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Diam U.S.A. provides portfolio management for pooled investment vehicles, portfolio management for businesses and institutional clients, selection of other advisers, and information services for the parent company. It doesn't provide financial planning services to its clients. On top of advisory services, the firm doesn't engage in other business activities.

Diam U.S.A.: assets under management

The assets under management (AUM) of Diam U.S.A., Inc. is $3.05 billion. The firm's AUM has gone down by -53% since the beginning of its operation, and the company doesn't manage any assets belonging to foreign clients.


The firm manages $1.91 billion in discretionary accounts and $1.14 billion in non-discretionary accounts. On average, the discretionary accounts where all decisions are made on behalf of the client hold $59.83 million each. Non-discretionary accounts, where clients actively manage their portfolios, generally hold around $103.63 million.

Fees & Commissions

The advisory firm has several streams of revenue. Clients pay Diam U.S.A., Inc. for their services and products based on a percentage of assets under management, hourly charges, and fixed fees. Hourly charges are usually charged for consulting work and special projects. These fees don’t include brokerage commissions, interest, taxes, and other account expenses.

Careers at Diam U.S.A., Inc.

Akira Noguchi has been acting as President since 1 Apr 2011. Akitoshi Masuda joined the executive team most recently as the Director.

Direct owners and executive officers



Name Entity Date acquired Ownership Employer ID
Ltd. Diam Co. Direct parent company 1 Apr 2000 75% - 100% 110843
Ltd. Asset Management One Co. Direct parent company 1 Apr 2000 75% - 100% 110843
Ltd. Diam Asset Management Co. Direct parent company 1 Apr 2000 75% - 100% foreign
Toru Nagashima President and chief executive officer and director 1 Apr 2004 Other 4870879
Masataka Hama Director 1 Jun 2004 Other 4718364
Kenji Shimoyama Executive vice president and director 1 Sep 2004 Other 4870875
Tammy Eisenberg Chief compliance officer 1 Sep 2005 Other 1701602
Masami Ueda Director 1 Jul 2006 Other 5172417
Atsushi Miyazaki President, ceo & director 1 Apr 2008 Other 5519118
Hiroshi Ikeda Director 1 Apr 2008 Other 5519566
Akira Noguchi Director 1 Apr 2008 Other 5172418
Atushi Saito Director 1 Apr 2010 Other 5686083
Akira Noguchi Director 1 Apr 2011 Other 5172418
Watatani Eiichi President & ceo 1 Apr 2011 Other 5906123
Hajime Fukuzawa Director 1 Apr 2012 Other 6052605
Anna Timone Chief compliance officer 1 Apr 2012 Other 4683415
Mary Fegan Chief compliance officer 1 Dec 2013 Other 6282991
Kayoko Hashimoto Chief compliance officer 1 Mar 2014 Other 6311396
Michiharu Maeda President & ceo 1 Jul 2014 Other 6378033
Masahide Komatsu Executive vice president 1 Jun 2015 Other 6632167
Akitoshi Masuda Director 1 Oct 2016 Other 6712395

Indirect Owners

The SEC currently registers 4 indirect owners.

Name Entity Date acquired Ownership Employer ID
The Dai Ichi Life Insurance Company Ultimate and indirect parent 1 Jun 1994 50% - 75% foreign
The Dai Ichi Mutual Life Insurance Company Ultimate and indirect parent 1 Jun 1994 50% - 75% foreign
Mizuho Financial Group Ultimate and indirect parent 1 Mar 2003 50% - 75% foreign
Dai Ichi Life Holdings Inc. Ultimate and indirect parent 1 Oct 2016 25% - 50% foreign

Based in New York

The principal office where Diam U.S.A., Inc. performs its advisory services is located at 400 Park Avenue, New York, NY 10022, which is also the mailing address of the firm. It doesn’t run an office outside of the United States.

You can reach the main office by calling the phone number 212-350-7650 or by fax 212-354-1883. The normal business hours are 9 a.m. - 5 p.m. on Monday - Friday. You can find more information about the New York firm at diamusa.com.