Larson Capital Management

Bill Gates personally recruited Larson in 1994 after assessing a shortlist of money managers. Larson was then a relatively unknown bond-fund manager at Putnam Investments. Gates offered him the role on the condition that he would leave Putnam, set up an independent investment office, and systematically diversify Gates's Microsoft-heavy net worth without drawing attention from markets or the press (per The Wall Street Journal, 2014).

It is a single-family office with the scale and investment posture of a large sovereign wealth fund. The firm takes no outside capital, does no marketing, and exists solely to manage the personal and philanthropic assets of Bill Gates. However, its direct deal capabilities, public-markets sophistication, and real-asset depth make it an institutional-caliber counterparty on every transaction it enters.

Larson's primary mode is direct deployment — Cascade Investment takes control stakes or significant minority positions directly, bypassing fund-manager intermediaries. Public filings show no consistent pattern of LP commitments to external private equity or venture funds, though the firm has occasionally co-invested alongside trusted operating partners. The portfolio is overwhelmingly self-managed.

Larson Capital Management manages the Bill & Melinda Gates Foundation Trust, which holds the investment assets that fund the foundation's grantmaking. The trust and Gates's personal capital are managed as separate pools with distinct objectives — the trust targets a return sufficient to fund annual grant distributions, while the personal portfolio pursues absolute return. Both sit under Larson's oversight but are walled operationally.

The firm is a generalist but has historically stayed away from sectors where Gates's personal profile creates controversy or conflicts — tobacco, defense contracting, and high-profile social media plays. There is also no public evidence of active venture-capital exposure in the traditional Sand Hill Road sense; tech allocations appear to flow through public equities or mature private deals rather than early-stage startup investing.

No public succession plan exists. Larson is the sole named decision-maker on the investment side, and the firm's structure concentrates authority in one CIO without a disclosed internal heir. That presents a genuine key-person risk, especially as both Gates and Larson enter their seventh decade. Allocators evaluating co-investment opportunities with Cascade should probe governance continuity directly.

Cascade's farmland and real estate strategy relies on a long-standing network of regional operators, brokers, and direct relationships with landowners — not competitive auction processes. The firm's willingness to move quickly without financing contingencies, paired with its permanent capital structure, makes it a preferred buyer for complex, off-market transactions, particularly in US agricultural land and hospitality.