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Grand Ridge Capital
The family office Bob Duggan formed after selling Pharmacyclics to AbbVie for $21 billion, investing with concentrated conviction in biotech.
Grand Ridge Capital
Grand Ridge Capital, LLC is an SEC-registered investment adviser with approximately $7 million in regulatory assets under management. The firm has 1 employee and 1 investment adviser. It operates with a single investment adviser.
General information
Firm type
Single Family Office
Year founded
—
AUM
Undisclosed
Location
Region
North America
Country
United States
City
—
Corporate office
—
Principals
Robert Duggan
Principal
Sector focus
Frequently asked questions
What is Grand Ridge Capital?
Grand Ridge Capital is a single family office based in United States.
Where is Grand Ridge Capital headquartered?
Grand Ridge Capital is headquartered in United States, in the North America region.
What is Grand Ridge Capital's assets under management?
Grand Ridge Capital reports approximately Undisclosed in assets under management, as tracked by Altss.
What does Altss track for Grand Ridge Capital?
Altss maintains an OSINT-verified profile of Grand Ridge Capital covering investment focus (ESG policy, ticket size, target IRR, currency preference, regional focuses, industry focuses, technological focuses), team (service providers and advisors), deals (company deals and fund commitments), assets (real estate, public market positions, private companies, art and cultural holdings, philanthropy and foundations), and network (club memberships, associations, and event participation). Detailed values are available to Altss subscribers.
What type of firm is Grand Ridge Capital?
Grand Ridge Capital is classified by Altss as a Single Family Office, operating from United States within the North America region.
How does Altss source intelligence on Grand Ridge Capital?
Altss combines OSINT (open-source intelligence) with regulatory filings, public disclosures, and licensed data partners. Source provenance is tracked to support compliance-ready research workflows.
When was Grand Ridge Capital's Altss profile last updated?
Grand Ridge Capital's profile on Altss was last refreshed on June 3, 2026. Continuous updates are applied as new public information is verified.
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.
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