List of the 300 largest US Multi Family Offices [2025]

List of 5 large US multi family offices

The United States is the origin of multiple family offices. These firms manage the portfolio of multiple HNWI families. There are hundreds of major multi-family investment firms that manage billions of US dollars.  In the following, we introduce you to five interesting firms from our US multi family office list.

1. Rockefeller Capital Management

The Rockefeller Global Family Office is one of the most renowned family offices in the world. It was established by the Rockefeller family in 1882. Today, the family office offers a myriad of services, from asset management to strategic advisory and general family office services. Surch has tax, trust, and estate planning services. The firm is planning to exceed the $100BN AUM number in 2023. In the United States, Rockefeller has offices in dozens of cities, for instance, New York, Austin, Boca Ration, Boston, Chicago, Los Angeles, Mountain View and Palm Beach.

Update 2023: In April 2023, IGM Financial announced the acquisition of a 20% share in Rockefeller Capital Management, thereby becoming its second-largest shareholder, to build out its family office and HNWI business.

2. Bessemer Trust

Another major US multi-family office is Bessemer Trust. The firm manages the money of over 2,500 families, the assets under management exceed $140BN. The firm was founded in 1907 by the Phipps family that was once amongst the owners of Carnegie Steel. The firm offers investment management services and regular family office services. The family office invests in real estate, private equity and hedge funds, stocks, bonds and energy holdings in the investment management sector.

3. Pathstone

Pathstone is another vital family office headquartered in Englewood, New Jersey. The firm offers investment research and investment solutions for family offices in its family office division. The firm also supports with services such as “Bill Pay” or property management and family office structuring. Pathstone manages over $75BN.

4.Alvarium Tiedemann | AlTi

In January 2023, the firms Tiedemann Group, Alvarium Investments and Cartesian Growth announced their business combination, to form a major financial services market player. Alvarium Tiedemann, AlTi, has been one of the most important US family offices for decased, with over 400 employees and $60BN AUM. As of December 2022, the firm invested $1.9B alongside its client. The firm also operates an active impact investment strategy with $3.8B committed capital.

Update 2024: AlTi Tiedemann continues its growth path: in April 2024, it acquired New York-based East End Advisors, which manage more than $5.6BN.

5. Corient Wealth

In 2023, CI Private Wealth has rebranded its US family office and investment advisory subsidiary to Corient. Coriant is a combination of the words “client-oriented”. CI Financial originally stems from Toronto, Canada, and is the largest investment management firm in the company. The needs of US high-net-worth individuals and families are catered to by the Corient family office, which manages $155BN. Over the last years, the family office has taken over several smaller, regional boutique family office firms.

What type of data is included in our list

• Contact details (address; telephone number; e-mail ; executive board)
• Subdivision by focus (asset management; consulting in asset structuring; bank-affiliated services)
• An additional focus of MFOs, if applicable (real estate; private equity; venture capital; hedge funds etc.)

Bildquelle: Ben o’ Bro, 02/08/2023, Mark Olesen