Advantage Advisers Multi Manager, L.L.C. (New York)


Advantage Advisers Multi Manager, L.L.C. is a large advisory firm based in New York. It manages $2.45 billion of regulatory assets for 2 client accounts. It has been registered with the SEC as an adviser since 2003.

Advantage Advisers Multi Manager, L.L.C provides portfolio management for investment companies and 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.

Advantage Advisers Multi Manager, L.L.C: assets under management

The assets under management (AUM) of Advantage Advisers Multi Manager, L.L.C. is $2.45 billion, all of which is managed in discretionary accounts. The firm's AUM has grown by 1808% since the beginning of its operation, and $138.77 million of the total AUM is attributable to clients outside of the United States.


The firm manages $2.45 billion in discretionary accounts. On average, the discretionary accounts where all decisions are made on behalf of the client hold $1.23 billion each.
Advantage Advisers Multi Manager, L.L.C has custody of $134.26 million in cash and securities for 1 client in total but doesn’t act as a qualified custodian.

Fees & Commissions

The advisory firm has several streams of revenue. Clients pay Advantage Advisers Multi Manager, L.L.C. 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 Marshall Dornfeld serves?

The firm provides services to investment companies and pooled investment vehicles. The largest group of clients of Marshall Dornfeld is investment companies with 1 clients and $2.31 billion of assets under management. Among the 9 most similar advisory firms, Advantage Advisers Multi Manager, L.L.C has the highest percentage of investment companies out of all clients.


The amount of regulatory assets under management is $2.45 billion for 2 clients. 8% of the firm’s clients are foreign persons or businesses.

Advantage Advisers Multi Manager, L.L.C also advises several private funds. Namely, one hedge fund. The minimum investment commitment required of non-related persons is $150,000 for each fund.

Careers at Advantage Advisers Multi Manager, L.L.C.

The company employs 15 people that are either part- or full-time employees. 33 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.

Marshall Dornfeld has been acting as President since 1 Dec 2003. Douglas Thornley Siegel joined the executive team most recently as the Global Compliance Officer.

Direct owners and executive officers



Name Entity Date acquired Ownership Employer ID
Elaine Kells Roberts Chief financial officer 1 Oct 1983 Other 1367879
Albert Grinsfelder Lowenthal Chief executive officer 1 Oct 1985 Other 313519
Howard Marc Singer Director & managing director 1 Nov 1999 Other 2373853
Dennis Patrick Mcnamara Secretary 1 Jan 2003 Other 2938486
Oppenheimer Asset Management Inc. Managing member 1 Jun 2003 75% - 100% 105559
Bryan Edward Mckigney Chief operating officer, president 1 Jun 2003 Other 4293175
Deborah Kaback Chief legal officer 1 Jun 2003 Other 1854501
Allen Bernard Holeman Chief compliance officer 1 Aug 2003 Other 1060910
Marshall Dornfeld President 1 Dec 2003 Other 2167848
Barbara F Pires Chief compliance officer 1 Sep 2004 Other 2733185
Patrick John Kane Managing director 1 Sep 2004 Other 2065327
Stephen Charles Beach Vp, chief compliance officer 1 Feb 2005 Other 867896
Jeffrey Alfano Cfo 1 Feb 2010 Other 5127693
Jeffrey Alfano Cfo 1 Mar 2010 Other 5127693
Robert Frederick Amweg Interim chief compliance officer 1 Jan 2015 Other 6308351
James Andrew Capezzuto Cco 1 Oct 2015 Other 1845909
Douglas Thornley Siegel Global compliance officer 1 Feb 2016 Other 1143272

Indirect Owners

The SEC currently registers 2 indirect owners.

Name Entity Date acquired Ownership Employer ID
Oppenheimer Holdings Inc. Sole shareholder 1 Oct 1983 75% - 100% 98-0080034
E.A. Viner International Co. Sole shareholder 1 Oct 1986 75% - 100% 76-148280

Based in New York

The principal office where Advantage Advisers Multi Manager, L.L.C. performs its advisory services is located at 85 Broad Street, New York, NY 10004, 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 212-667-4225 or by fax 212-667-4959. The normal business hours are 9:00am - 5:00pm on Monday - Friday.