List of the 500 Largest US Single Family Offices [2025]

List of 5 large US Single Family Offices

U.S. family offices play a vital role in the American investment landscape. They are major investors in financial markets, private equity, real estate, and venture capital. Hence, our list is a valuable resource for investment professionals worldwide. In the following, we are introducing you to five interesting US single-family offices that are part of our list:

1. Fremont Group (San Francisco, California)

The San Francisco-based Fremont Group is the single-family office of the Bechtel family. The Bechtel family has been active in the engineering and construction space since 1895. Through different specialized teams, the Californian single-family office is investing in various verticals. For example, FPR Partners is trading publicly traded equities for the family office. Fremont Private Holdings makes private equity investments in firms that make at least $20M in EBITDA. Fremont Macanta is a joint venture with the New York-based single-family office of Terence O’Toole.

2. Prairie Management Group (Northbrook, Illinois)

Gordon Segal, former CEO and longtime leader of the home furnishing retail chain Crate & Barrel, invests his capital through the Prairie Management Group. The Illinois-based single-family office invests in businesses and real estate opportunities. Private Equity investments of Prairie include Evereve, Gotsworld, Framebridge, and Matterport. For its real estate investments, the firm looks for value-add and opportunistic investment opportunities—for example, the family office invested in a medical office in Houston, Texas.

3. Talpion Fund Management (New York)

In 2010, Henry Swieca launched Talpion Fund Management as his private single-family office. After beginning his career at Merill Lynch and further stations at E.F. Hutton & Co., Swieca built his firm, Highbridge Capital, into a major alternative asset manager, ultimately selling it to JP Morgan. Swieca’s single-family office is focused on equities, real estate, private equity, and venture capital. Through its foundation, Talpion supports, amongst others, AIEF and Columbia University.

4. The Hillman Company (Pittsburgh, Pennsylvania)

The Pittsburgh-based Hillman family pools its wealth through the family office “The Hillman Company”. With more than 100 years of experience in private equity investing, the Pennsylvanian single-family office is heavily weighted towards this asset class. Special emphasis lies on venture capital, growth equity and energy. The capital is also invested in other asset classes. Furthermore, the family office also has a philanthropic arm, the Hillman Family Foundations, whose gifts include the Hillman Library at the University of Pittsburgh and the Hillman Center for Future-Generation Technologies at Carnegie Mellon University.

5. The Straus Group (New Jersey)

The single-family office of Daniel E. Straus is called The Straus Group. Straus was the principal investor of hundreds of deals and was the CEO of The Multicare Companies, an NYSE-traded firm. The family office has invested for 20 years in various asset classes, like hedge funds, private credit, equity and real estate. The New Jersey single-family office also invests in international properties.

Picture source: Natalie Chaney, Unsplash

Our US family office database in a nutshell

We are certain that we offer the most useful United States family office list with the highest quality. Our family office lists are developed through a yearlong process: we analyze every deal in finance, real estate, private equity, or venture capital for family office participations. We rely on a huge network of investment professionals and family offices. We crawl news and websites through sophisticated web crawlers for new family office deals. Our customers benefit from free database updates within twelve months.

Information included in our list

• Country of main location
• Company name
• Contact data (URL, address, state, e-mail, telephone number, executives)
• Serial letter columns for mailings (formal salutation, first name, last name of the first executive)
• LinkedIn profiles of the top management, if available
• Family information (Name, Estimated family assets in M€, Holding structure)
• Real Estate Focus (Yes/No) / Real Estate Focus Details / Examples of Real Estate Investments
• Venture Capital Focus (Yes/No) / Details on Venture Capital Focus / Examples of Venture Capital Investments
• Private Equity Focus (Yes/No) / Details on Private Equity Focus / Examples of Private Equity Investments
• Financial assets focus (Yes/No)
• Renewable Energy Focus (Yes/No)
• Other focus (art, philanthropy, forestry, agriculture, etc.)
• Dates of the entry creation, last check and last update

Values may be missing if some data points are not publicly available. The “largest single-family offices” are defined by the wealthiest American families who actively invest through investment vehicles and for whom reliable information is available. With regular, free updates and extensions, we constantly improve the data quality. 

What our customers say about our lists

Investment focus, family net worth, portfolio

Our customers especially value our various data points: besides contact details (general e-mail address, phone number, URL, address) executive names, family wealth, we also include many information points about the detailed investment focus. Especially, we provide you with details on the real estate, private equity and venture capital investment focus. We specify the investment style (in which kind of companies or real estate does the family office invest?) and we provide you with exemplary investments. The list can also be filtered and sorted by financial market investments (funds, equities, etc.) and renewable investments.

Contact details of investment executives

For as many single-family offices as possible, we provide you with up to two investment professionals (e.g. the Founder / CEO as well as the Chief Investment Officer). In many cases, we provide the name, the role and the LinkedIn profile of the relevant contacts.

Disclaimer: We do not offer personal contact details due to European GDPR regulations. Instead, we offer generic contact details and links to LinkedIn profiles. In case no contact details are available, the respective fields are marked with n.a.