What’s the largest US family office by AUM?


Published: 2025-05-18 Source: Author:
What’s the largest US family office by AUM?

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Rated 5.00 out of 5 Deal €1.299,98 Original price was: €1.299,98.€999,99Current price is: €999,99. including VAT At familyofficehub.io, we offer the most extensive . Based on our internal database and experienced research team, we have investigated the largest US family office by Assets under Management (AUM).Upon request via contact [at] familyofficehub.io, you can receive a free preview file of the list. The experienced familyofficehub.io research team identified as the largest US single-family office by AUM. The Mercer Island (Washington)-based firm manages over $200bn in the name of Amazon founder Jeff Bezos. During our research process, we have compared the investment vehicles of the wealthiest US families and analyzed the capital allocated to them.The investment focus of Bezos ExpeditionsBezos Expeditions, founded by Jeff Bezos in 2005, manages the Amazon founder’s personal investments across a broad range of sectors. Core shareholdings of Bezos include Amazon, Blue Origin, The Washington Post and space technology firm Blue Origin. The largest US family office maintains a dedicated investment team and has built a diversified portfolio that includes technology companies such as Twitter, Airbnb, Uber, Stack Overflow, and Workday.Recent investments show a growing emphasis on artificial intelligence and robotics, with funding rounds in companies like Physical Intelligence, focused on AI models for physical robots, and , an ETH Zurich spin-off developing autonomous robotic mobility solutions.In addition to commercial ventures, Bezos Expeditions has supported philanthropic initiatives, including the Bezos Center for Neural Circuit Dynamics at Princeton University and the recovery of Apollo 11 rocket engines now displayed at the Seattle Museum of Flight. The firm also backed long-term innovation projects such as the Clock of the Long Now, designed to run for 10,000 years.Bezos’s personal investments also extend into real estate and infrastructure. He has assembled a portfolio of residential properties across locations including Miami, Beverly Hills, Washington D.C., New York, and Hawaii, alongside high-value assets such as the sailing yacht Koru.Alternative candidates for the US family office ranking by AUMWithin the scope of this research article, our familyofficehub.io expert team has also examined alternative candidate family offices. The closest competitor for the largest US single family office was Walton Enterprises, the investment vehicle of the Walton family (owners of WalMart). However, we see the AUM marginally below that of Bezos Expeditions. We note that the #1 rank can quickly change based on stock price variations of Amazon (Bezos Expeditions) and WalMart (Walton Enterprises).Another relevant candidate was the Elon Musk family office, Excession LLC, which manages stakes in Tesla, SpaceX and other investments. However, we have opted for the Jeff Bezos family office, due to the recent drop in Tesla share prices, as well as the less diversified investment portfolio. Another candidate was Marc Zuckerberg. However, his investments are spread over various entities and cannot be allocated to one single family office. Other candidates included the family office of Bill Gates, Cascade Investment, which, however, manages only half of the Microsoft founder’s fortune.Picture Source:

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