Suttonbrook Capital Management LP (New York)


Suttonbrook Capital Management LP is a mid-sized advisory firm based in New York. It manages $45.9 million of regulatory assets for 4 client accounts. It has been registered with the SEC as an adviser since 2004 and has operated in the jurisdiction of New York.

Suttonbrook Capital Management 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.

Suttonbrook Capital Management: assets under management

The assets under management (AUM) of Suttonbrook Capital Management LP is $45.9 million, all of which is managed in discretionary accounts. The firm's AUM has gone down by -95% since the beginning of its operation, and the company doesn't manage any assets belonging to foreign clients.


The firm manages $45.9 million in discretionary accounts. On average, the discretionary accounts where all decisions are made on behalf of the client hold $11.47 million each.
Suttonbrook Capital Management has custody of $45.9 million in cash and securities for 4 clients in total but doesn’t act as a qualified custodian.

Careers at Suttonbrook Capital Management LP

Brett Steven Spector has been acting as President since 1 Jun 2009. Steven Matthew Weinstein joined the executive team most recently as the Member.

Direct owners and executive officers



Name Entity Date acquired Ownership Employer ID
Elizabeth Weinstein Trustee of 02/01/2002 weinstein family trust 1 Feb 2002 Other 4784722
Elizabeth Schutz Weinstein Trustee of 02/01/2002 weinstein family trust 1 Feb 2002 Other 4784722
Brett Steven Spector Chief financial officer 1 Mar 2002 Other 4783124
John Alexander London Limited partner 1 Aug 2002 50% - 75% 2269962
Steven Matthew Weinstein Limited partner 1 Aug 2002 25% - 50% 2288773
02/01/2002 Weinstein Family Trust Limited partner 1 Aug 2002 Other 12-4421146
Suttonbrook Holdings Llc General partner 1 Dec 2002 Other 27-0044029
John Robert Giordano Managing director 1 Mar 2003 Other 2182437
Douglas Erb Chief operating officer 1 Jan 2004 Other 4783147
Douglas Peter Erb Chief operating officer 1 Jan 2004 Other 4783147
Eugene Samuel Chen Managing director 1 Sep 2005 Other 2931432
David Robert Blaustein Managing director 1 Sep 2005 Other 2777418
Brett Steven Spector President 1 Jun 2009 Other 4783124
Richard John Potapchuk Chief financial officer/chief compliance officer 1 Jun 2009 Other 2207056

Indirect Owners

The SEC currently registers 3 indirect owners.

Name Entity Date acquired Ownership Employer ID
Steven Matthew Weinstein Managing member 1 Dec 2002 50% - 75% 2288773
John Alexander London Managing member 1 Dec 2002 50% - 75% 2269962
Steven Matthew Weinstein Member 1 Jun 2009 50% - 75% 2288773

Based in New York

The principal office where Suttonbrook Capital Management LP performs its advisory services is located at 110 Central Park South, New York, NY 10019, 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 917-697-0467. The normal business hours are as needed on Other.