Ardsley Advisory Partners (Stamford)


Ardsley Advisory Partners is a large advisory firm based in Stamford. It manages $895.32 million of regulatory assets for 7 client accounts. It has been registered with the SEC as an adviser since 2001 and has operated in the jurisdiction of Connecticut.

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Ardsley Advisory Partners provides portfolio management for pooled investment vehicles. It doesn't provide financial planning services to its clients. On top of advisory services, the firm doesn't engage in other business activities.

Ardsley Advisory Partners: assets under management

The assets under management (AUM) of Ardsley Advisory Partners is $895.32 million, all of which is managed in discretionary accounts. The firm's AUM has gone down by -26% since the beginning of its operation, and the company doesn't manage any assets belonging to foreign clients.


The firm manages $895.32 million in discretionary accounts. On average, the discretionary accounts where all decisions are made on behalf of the client hold $127.9 million each.
Ardsley Advisory Partners has custody of $122.86 million in cash and securities for 4 clients in total but doesn’t act as a qualified custodian.

Fees & Commissions

The advisory firm has several streams of revenue. Clients pay Ardsley Advisory Partners for their services and products based on a percentage of assets under management and performance-based fees. Compensation based on assets under management promotes a long-term relationship between a client and the adviser and helps align mutual interests. These fees don’t include brokerage commissions, interest, taxes, and other account expenses.

What kind of clients Ardsley Advisory Partners serves?

The only and largest group of clients of Ardsley Advisory Partners is pooled investment vehicles with 7 clients and $895.32 million of assets under management. Among the 7 most similar advisory firms, Ardsley Advisory Partners has the highest percentage of pooled investment vehicles out of all clients.


The amount of regulatory assets under management is $895.32 million for 7 clients. None of the firm’s clients are foreign persons or businesses.

Ardsley Advisory Partners also advises several private funds. Namely, eight hedge funds. The minimum investment commitment required of non-related persons is $1,000,000 for each fund.

Careers at Ardsley Advisory Partners

The company employs 13 people that are either part- or full-time employees. 54 percent of the employees work as investment advisers or researchers. No employees are registered as investment adviser representatives with the state securities authorities.

There isn’t anyone with the role of looking for and bringing in new clients on behalf of the firm. The firm doesn’t compensate employees in addition to the salary for bringing in new clients. Employees don’t receive compensation from other entities for client referrals.

Direct owners and executive officers



Name Entity Date acquired Ownership Employer ID
Philip Jay Hempleman Managing partner 1 Dec 1986 50% - 75% 1891533
Philip Hempleman Managing partner 1 Dec 1986 25% - 50% 1891533
Kevin Michael Mccormack Partner 1 Dec 1986 Other 4349001
Sean James Thomann Partner 1 May 1987 Other 1238304
Thomas M Kyle Partner 1 Jul 1993 Other 2016449
George Arthur Gorman Partner 1 Mar 1994 Other 4349014
Wayne Wilkey Partner 1 Dec 1996 Other 2319982
Joel Charles Ackerman Partner 1 Oct 1997 Other 2142792
Kirk Daniel Balzer Partner 1 Jan 1998 Other 2166167
Alexander Charles Mcaree Partner 1 Aug 2000 Other 2175495
Michael Francis Lins Partner 1 Oct 2000 Other 2838162
Suzanne Jeanne Currie Partner 1 Jan 2001 Other 844831
Steven Nicholas Napoli Partner, chief financial officer, chief compliance officer 1 Nov 2001 Other 2239285
Steven Napoli Cfo 1 Nov 2001 Other 2239285
Robert Bruce Corman Partner 1 Nov 2001 Other 3027366
Jeffrey Phillip Knightly Partner 1 Jan 2002 Other 2683623
Charles Joseph Rose Partner 1 Jun 2002 Other 730446
Andrea Lyn Dotter Partner 1 Apr 2004 Other 3005256
Spencer Jay Hempleman Partner 1 Jan 2006 Other 4011098
Spencer J Hempleman Partner 1 Jan 2006 Other 4011098
Benjamin Ian Block Partner 1 Jun 2007 Other 5956330
Zhenhai Nmn Yang Partner 1 May 2008 Other 4693579

Based in Stamford

The principal office where Ardsley Advisory Partners performs its advisory services is located at 262 Harbor Drive, Stamford, CT 06902, which is also the mailing address of the firm. An additional office of the firm is in New York, NY. It doesn’t run an office outside of the United States.

You can reach the main office by calling the phone number 203-564-4200 or by fax 203-355-0715. The normal business hours are 9:00am - 5:00pm on Monday - Friday. You can find more information about the New York firm at ardsley.com/.