AUM
Estimated $8-10B (based on net worth and fund activities)
Principals
2
Principal Net Worth
$8.9B
Data Flags
Former Blackstone COO, established family office with spinout fund
Hamilton "Tony" James Family Office
SFOHigh ConfidenceNew York, New York
Last verified: Jan 16, 2026
Details
- Website
- N/A (Private family office)
- Source of Wealth
- Finance & Investments (Blackstone)
- Assets Under Management
- Estimated $8-10B (based on net worth and fund activities)
- Source File
- research/organizations/james-family-office.md
- UID
- fo-james-family-office
Also Known As
Tony James Family OfficeHamilton James Family OfficeJames Family Office
Principals (2)
Team Members (3)
Related Entities (4)
Relationship Strength
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Sources (4)
- https://en.wikipedia.org/wiki/Hamilton_E._James
- https://www.bloomberg.com/billionaires/profiles/hamilton-e-james/
- https://www.bloomberg.com/news/articles/2025-02-18/tony-james-family-office-spinout-gets-370-million-for-pe-bets
- https://www.forbes.com/sites/mattdurot/2025/05/19/hired-hand-billionaires-2025-these-48-executives-got-rich-working-for-others/
Changelog
- 2026-01-16Enriched with full biography, Blackstone career, February 2025 family office spinout fund ($370M), updated net worth to $8.92B (Bloomberg 2025), board seats, updated confidence to High
- 2026-01-15Auto-generated from principal Hamilton James & family