Family OfficeRIA · CRD 35844

Updated:

Cascade Investment

Cascade Investment, L.L.C. is a single-family office and private holding company controlled by William H. Gates III that manages his personal investment...

Cascade Investment logo

Cascade Investment

Cascade Investment, L.L.C. is a single-family office and private holding company controlled by William H. Gates III that manages his personal investment assets. It is overseen by Cascade Asset Management Company, which also manages the Gates Foundation Trust. Founded in 1994, Cascade applies a fundamental, long-horizon investment approach across asset classes and geographies with the mission of generating superior long-term returns to support Bill Gates and the Gates Foundation Trust (per cascadeassetmanagement.com). Cascade Asset Management Company oversees Cascade Investment, L.L.C., which holds personal assets of Bill Gates, as well as the Gates Foundation Trust, whose assets fund the Gates Foundation; the foundation has no influence on Trust investment decisions or strategies and neither Cascade nor the Trust participates in foundation grantmaking or operations (per Cascade FAQs). Headquartered in Kirkland, Washington, the firm is led by Michael Larson, who founded Cascade and serves as Chief Investment Officer overseeing strategy, capital allocation, sourcing, structuring, transaction execution, and partner relationships for both Bill Gates and the Trust (per Meet Our Leadership page). The Gates Foundation Trust reported total assets of approximately $93.2 billion and net assets of $89.2 billion as of December 31, 2025 (per audited financial statements). Cascade is overwhelmingly a direct investor and works with only a small number of third-party managers. The firm does not publicly disclose total AUM for Gates’ personal holdings.

General information

Firm type

Family Office

Year founded

1994

Location

Region

North America

Country

United States

City

Kirkland

Corporate office

Kirkland, WA, United States

Principals

Michael Larson

Chief Investment Officer and Founder

Alan Heuberger

Senior Investment Manager

Keith Traverse

Senior Investment Manager

John O'Brien

Senior Investment Manager

Mike Rodden

General Counsel

Lori Sabet

Chief HR Officer

Sector focus

Energy Transition & RenewablesAgriTech & FoodTechPropTechDigital HealthClimateTechFinTech

Frequently asked questions

What is Cascade Investment, L.L.C.?

Cascade Investment, L.L.C. is the private investment vehicle holding personal assets of William H. Gates III. It is overseen by Cascade Asset Management Company, which also manages the Gates Foundation Trust to generate long-term returns supporting Gates and the Trust’s funding of the Gates Foundation (per official website and FAQs).

When was Cascade founded and where is it headquartered?

Cascade was founded in 1994 and is headquartered in Kirkland, Washington, United States (per official website and SEC filings listing 2365 Carillon Point, Kirkland, WA).

Who leads investment decisions at Cascade?

Michael Larson, who founded Cascade in 1994, serves as Chief Investment Officer and oversees all investment activities for William H. Gates III and the Gates Foundation Trust, including strategy, capital allocation, and execution (per Meet Our Leadership page).

What is the relationship between Cascade and the Gates Foundation?

Cascade Asset Management Company manages both Cascade Investment, L.L.C. (Gates’ personal assets) and the Gates Foundation Trust (assets funding the foundation). The foundation has no influence on or visibility into Trust investment strategies, and neither Cascade nor the Trust plays a role in foundation grantmaking or operations (per Cascade FAQs).

Does Cascade disclose its assets under management?

No. Cascade does not publicly disclose total AUM for the personal assets held in Cascade Investment, L.L.C. The related Gates Foundation Trust reported approximately $89.2 billion in net assets as of December 31, 2025 (per Trust audited financial statements). The firm does not solicit outside capital.

Profile maintained by using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.

Need institutional-grade insight on family offices?

Altss delivers:

Principals with verified direct contactsAllocation history by asset classOSINT-derived deal signals
Book a demo

Prefer a guided tour?

We’ll walk you through:

Interactive funding timelinesCustom mandate & allocation filters
Book a demo

Browse by category

More Kirkland Family Office profiles