Updated:
Angel Island
Angel Island is a single family office based in Tiburon, California. Its wealth origin, AUM, and investment activity are not publicly documented.
Angel Island
Angel Island is a family office headquartered in Tiburon, California, a town in Marin County. The firm's founding year and founding principal are not publicly documented. Its wealth origin remains undisclosed, consistent with a family that has chosen to operate without public attribution. The firm's investment strategy, asset-class mix, and portfolio holdings are not confirmed in public sources. To date, no named portfolio companies, deals, or co-investors have been attributed to Angel Island in financial press or regulatory filings. The geographic footprint is limited to the San Francisco Bay Area based on its known HQ location. Team size, additional offices, and any adjacent vehicles — such as philanthropic foundations or operating businesses — are not publicly reported. No recent operational events have been identified in the last 24 months. The firm has no verifiable LinkedIn presence or website captured. Angel Island's primary structural differentiator is its opacity. Unlike many family offices that register with the SEC or engage in public dealmaking, this firm has left no public footprint beyond a Tiburon address. That choice reflects an operational model built entirely around privacy.
General information
Firm type
Single Family Office
Year founded
—
AUM
Undisclosed
Location
Region
North America
Country
United States
City
Tiburon
Corporate office
Tiburon, CA, United States
Frequently asked questions
Who runs investment decisions at Angel Island?
No named principals or investment professionals are publicly associated with Angel Island. The firm does not disclose leadership in any available source.
Is Angel Island structured as a single family office or multi-family office?
Based on available information, Angel Island operates as a single family office. It manages capital for one family from its Tiburon headquarters.
Where does the underlying wealth for Angel Island come from?
The wealth origin is not publicly disclosed. The firm has not attributed its capital to any specific industry, company founding, or inheritance.
Does Angel Island invest in direct deals or fund commitments?
No known direct deals, fund commitments, or co-investments have been associated with Angel Island in any public record or financial publication.
What investment stages or sectors does Angel Island target?
Angel Island's investment targets are not documented. The firm has not publicly stated preferred stages, sectors, or geographic focus.
Why is Angel Island not registered as an investment adviser?
Many single family offices qualify for exemptions from SEC registration under the Family Office Rule. Angel Island likely relies on a similar exemption.
Does Angel Island maintain a website or LinkedIn profile?
No public website or LinkedIn profile has been captured for Angel Island. The firm does not appear to have an online presence.
Profile maintained by Altss 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:
Prefer a guided tour?
We’ll walk you through: