Zimmer Partners, LP (New York)


Zimmer Partners, LP is a large advisory firm based in New York. It manages $8.83 billion of regulatory assets for 8 client accounts. It has been registered with the SEC as an adviser since 2012 and has operated in the jurisdiction of Connecticut.

Zimmer 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.

Zimmer Partners: assets under management

The assets under management (AUM) of Zimmer Partners, LP is $8.83 billion, all of which is managed in discretionary accounts. The firm's AUM has grown by 1904% since the beginning of its operation, and $5.3 billion of the total AUM is attributable to clients outside of the United States.


The firm manages $8.83 billion in discretionary accounts. On average, the discretionary accounts where all decisions are made on behalf of the client hold $1.1 billion each.
Zimmer Partners has custody of $3.55 billion in cash and securities for 7 clients in total but doesn’t act as a qualified custodian.

Fees & Commissions

The advisory firm has several streams of revenue. Clients pay Zimmer Partners, LP for their services and products based on a percentage of assets under management and performance-based fees. The adviser charges an additional fee when a set benchmark is outperformed. These fees don’t include brokerage commissions, interest, taxes, and other account expenses.

What kind of clients Joseph J Dimartino serves?

The only and largest group of clients of Joseph J Dimartino is pooled investment vehicles with 8 clients and $8.83 billion of assets under management. Among the 9 most similar advisory firms, Zimmer Partners has the highest percentage of pooled investment vehicles out of all clients.


The amount of regulatory assets under management is $8.83 billion for 8 clients. 63% of the firm’s clients are foreign persons or businesses.

Zimmer Partners also advises several private funds. Namely, four hedge funds. The minimum investment commitment required of non-related persons ranges from $100,000 to $5,000,000.

Careers at Zimmer Partners, LP

The company employs 31 people that are either part- or full-time employees. 48 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.

Joseph J Dimartino has been acting as President since 1 Sep 2012. Stuart Jason Zimmer joined the executive team most recently as the Member.

Direct owners and executive officers



Name Entity Date acquired Ownership Employer ID
Stuart Jason Zimmer Limited partner 1 Sep 2012 75% - 100% 2778761
Barbara Jeanne Burger General counsel and chief compliance officer 1 Sep 2012 Other 4350683
Llc Zimmer Partners Gp General partner 1 Sep 2012 Other 46-0894365
Joseph J Dimartino President 1 Sep 2012 Other 4918735
Joseph James Dimartino President 1 Sep 2012 Other 4918735
Mitchell Brad Pressman Chief financial officer 1 Jan 2013 Other 5055798
Seqfin Iii Llc Limited partner 1 Jul 2018 75% - 100% 83-1335974

Indirect Owners

The SEC currently registers 3 indirect owners.

Name Entity Date acquired Ownership Employer ID
Stuart Jason Zimmer Member 1 Jul 2018 75% - 100% 2778761
Seqfin I Llc Sole member 1 Jul 2018 75% - 100% 83-1324397
Sequentis Financial Llc Sole member 1 Jul 2018 75% - 100% 83-1310634

Based in New York

The principal office where Zimmer Partners, LP performs its advisory services is located at 9 W. 57 Th Street, 33 Rd Floor, New York, NY 10019 2601, which is also the mailing address of the firm. An additional office of the firm is in Greenwich, CT. It doesn’t run an office outside of the United States.

You can reach the main office by calling the phone number 212-371-8688 or by fax 646-219-0702. The normal business hours are 8:30am- 5:30 pm on Monday - Friday.