Cornerstone Acquisition & Management Company LLC (Rancho Santa Fe)


Cornerstone Acquisition & Management Company LLC is a mid-sized advisory firm based in Rancho Santa Fe. It manages $68.52 million of regulatory assets for 2 client accounts. It has been registered with the SEC as an adviser since 2005 and has operated in the jurisdictions of California and Washington.

Cornerstone Acquisition & Management Company 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.

Cornerstone Acquisition & Management Company: assets under management

The assets under management (AUM) of Cornerstone Acquisition & Management Company LLC is $68.52 million, all of which is managed in discretionary accounts. The firm's AUM has grown by 31% since the beginning of its operation, and $15.77 million of the total AUM is attributable to clients outside of the United States.

The firm manages $68.52 million in discretionary accounts. On average, the discretionary accounts where all decisions are made on behalf of the client hold $34.26 million each.
Cornerstone Acquisition & Management Company has custody of $68.52 million in cash and securities for 3 clients in total but doesn’t act as a qualified custodian.

Fees & Commissions

The advisory firm has several streams of revenue. Clients pay Cornerstone Acquisition & Management Company 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.

What kind of clients Cornerstone Acquisition & Management Company serves?

The only and largest group of clients of Cornerstone Acquisition & Management Company is pooled investment vehicles with 2 clients and $68.52 million of assets under management. Among the 5 most similar advisory firms, Cornerstone Acquisition & Management Company has the highest percentage of pooled investment vehicles out of all clients.

The amount of regulatory assets under management is $68.52 million for 2 clients. None of the firm’s clients are foreign persons or businesses.

Cornerstone Acquisition & Management Company also advises several private funds. Namely, three hedge funds. The minimum investment commitment required of non-related persons is $500,000 for each fund.

Careers at Cornerstone Acquisition & Management Company LLC

The company employs 6 people that are either part- or full-time employees. 50 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.

Grace Mary Brescia joined the executive team most recently as the Compliance Officer, Elected Manager.

Direct owners and executive officers


Name Entity Date acquired Ownership Employer ID
David Bruce Mcmahan Member, manager, chairman 1 Sep 2004 75% - 100% 829344
Jay Toby Glassman Manager 1 Sep 2004 Other 2491695
Joseph Callaghan Dwyer Chief accounting officer, manager 1 Sep 2004 Other 2676726
Norman Lewis Ziegler Manager 1 Sep 2004 Other 1010295
Harry Steven Gallack Chief compliance officer 1 Oct 2005 Other 1224624
Timothy Joseph Bowman Chief accounting officer, manager 1 Feb 2008 Other 2247374
Ronald Peter Fertig Manager, chief operating officer 1 Feb 2008 Other 2144243
Vasilis Michael Mouratoff Chief executive officer 1 May 2008 Other 2744346
Patricia Ann Ransom Manager, executive vice president 1 Jun 2008 Other 5574220
Leo Tak Cheung Chief compliance officer 1 Aug 2008 Other 2010261
Bradley William Cox Chief financial officer 1 Aug 2008 Other 4176893
Grace Mary Brescia Chief compliance officer 1 Jan 2009 Other 2103142
Derren Lee Geiger Chief operating officer, manager, cco 1 Mar 2009 Other 5613118
Grace Mary Brescia Chief compliance officer, manager 1 Jan 2013 Other 2103142
She Hwea Ngo Chief financial officer, manager 1 Jan 2015 Other 6459673
Grace Mary Brescia Compliance officer, elected manager 1 Apr 2017 Other 2103142
The Estate Of David Bruce Mcmahan Owner, member 1 Apr 2017 75% - 100% 82-6308659
Leslie Susan Perry Executor of the estate of david bruce mcmahan 1 Apr 2017 Other 6812467
Esq Trenam Law Executor Tate Taylor Executor 1 Apr 2017 75% - 100% 99-9999999

Based in Rancho Santa Fe

The principal office where Cornerstone Acquisition & Management Company LLC performs its advisory services is located at 16236 San Dieguito Road, Rancho Santa Fe, CA 92067 The mailing address of the firm is P.O. Box 8049, Rancho Santa Fe, CA 92067. It doesn’t run an office outside of the United States.

You can reach the main office by calling the phone number 858-779-5800 or by fax 858-759-5351. The normal business hours are 8:30am to 5:00 pm on Monday - Friday. You can find more information about the New York firm at cornerstoneamc.com.