Single Family Office

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Anthony and Marilyn Henn Trust

The Anthony and Marilyn Henn Trust operates as a private family trust with administrative nodes in four West Coast cities: Seattle, Kirkland, San...

Anthony and Marilyn Henn Trust

The Anthony and Marilyn Henn Trust operates as a private family trust with administrative nodes in four West Coast cities: Seattle, Kirkland, San Francisco, and San Diego. The trust is named for co-trustees Anthony and Marilyn Henn, a structure consistent with intergenerational wealth transfer vehicles that centralize investment decision-making in the named individuals. No public founding date, stated AUM, or investment mandate has been disclosed. Investment posture cannot be confirmed from public filings, but single-family trusts of this typology commonly allocate across traditional asset classes — public equities, fixed income, and private real estate — alongside opportunistic direct investments. The San Francisco presence hints at potential exposure to venture capital and technology, a common adjacency for West Coast family offices, though no portfolio companies have been publicly reported. The Kirkland and Seattle roots, long associated with the Henn family, suggest legacy wealth tied to the Pacific Northwest's timber, real estate, or technology ecosystems. No team size or external investment professionals have been disclosed. The trust maintains no known website, LinkedIn presence, or regulatory filings that surface headcount or deployment figures. Its multi-city footprint is atypical for a purely passive trust, implying either active direct investment oversight, co-trustee coordination across business interests, or property management responsibilities that justify physical presences in each location. Structurally, the Henn Trust functions as a closed, self-directed vehicle — no outside limited partners, no feeder funds, and no external capital-raising activities detected. This posture allows for infinite-time-horizon investing without redemption pressure, a genuine structural differentiator from institutional fund managers and multi-family offices that must answer to non-family stakeholders.

General information

Firm type

Single Family Office

Year founded

AUM

Undisclosed

Location

Region

North America

Country

United States

City

Seattle

Corporate office

Seattle, WA, United States

Additional offices

San Francisco, CA · Kirkland, WA · San Diego, CA

Principals

Anthony Henn

Trustee

Marilyn Henn

Trustee

Frequently asked questions

Who controls investment decisions at the Anthony and Marilyn Henn Trust?

Co-trustees Anthony Henn and Marilyn Henn control all investment decisions, based on the trust's naming and structure. Single-family trusts of this design typically concentrate authority in the named trustees, who may also engage external investment advisors. The absence of any publicly listed CIO or investment committee further reinforces the trustee-led model.

Is the Anthony and Marilyn Henn Trust a single-family office or does it manage outside capital?

The trust is structured as a private single-family vehicle. No regulatory filings, marketing materials, or Form ADV registrations suggest it manages outside capital. This closed architecture distinguishes it from multi-family offices and registered investment advisors that solicit third-party clients.

What is the known investment strategy of the Henn Trust?

No public investment mandate has been disclosed. Single-family trusts of this size and geographic scope typically hold diversified portfolios that include public equities, fixed income, private real estate, and direct private investments. The San Francisco office location suggests possible exposure to venture capital or technology investments, though no specific portfolio companies have been confirmed.

Where does the Henn family wealth originate?

The specific source of the Henn family wealth has not been publicly disclosed. The family's long-established presence in Kirkland and Seattle, Washington, suggests ties to the Pacific Northwest economy — which historically includes timber, real estate development, and early-stage technology. Without primary-source confirmation, the precise origin remains a matter of private family record.

Does the Anthony and Marilyn Henn Trust have any known philanthropic vehicles?

No philanthropic foundation or charitable vehicle directly linked to the Anthony and Marilyn Henn Trust has been identified in public records. Many family trusts of this type conduct charitable giving through the trust itself or donor-advised funds rather than through separately named foundations, but no filings confirm this practice.

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.

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