Diamondback Capital Management, LLC (Stamford)


Diamondback Capital Management, LLC is a large advisory firm based in Stamford. It manages $240.08 million of regulatory assets for 4 client accounts. It has been registered with the SEC as an adviser since 2005 and has operated in the jurisdiction of Connecticut.

Diamondback 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.

Diamondback Capital Management: assets under management

The assets under management (AUM) of Diamondback Capital Management, LLC is $240.08 million, all of which is managed in discretionary accounts. The firm's AUM has gone down by -58% since the beginning of its operation, and the company doesn't manage any assets belonging to foreign clients.


The firm manages $240.08 million in discretionary accounts. On average, the discretionary accounts where all decisions are made on behalf of the client hold $60.02 million each.
Diamondback Capital Management has custody of $240.08 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 Diamondback Capital Management, LLC 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.

Indirect Owners

The SEC currently registers 8 indirect owners.

Name Entity Date acquired Ownership Employer ID
Richard Harris Schimel Limited partner 1 Jun 2005 25% - 50% 1701582
Lawrence Joseph Sapanski Limited partner 1 Jun 2005 25% - 50% 1133019
Llc Dbcm Partners General partner 1 Jun 2005 Other 20-3750348
Richard Harris Schimel Partner 1 Nov 2005 25% - 50% 1701582
Lawrence Joseph Sapanski Partner 1 Nov 2005 25% - 50% 1133019
Chad Robert Loweth Partner 1 Nov 2005 25% - 50% 734201
Larry Craig Petrella Partner 1 Nov 2005 Other 2217003
Peter Wade Limited partner 1 Jan 2006 Other 2864537

Based in Stamford

The principal office where Diamondback Capital Management, LLC performs its advisory services is located at 1 Landmark Square, Stamford, CT 06901 2601, 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 203-399-1600 or by fax 203-399-1782. The normal business hours are 8:00am to 5:00pm on Monday - Friday.