AUM
Estimated $13-15B
Principals
3
Principal Net Worth
$13.4B
Data Flags
Well-documented family office through NJJ Holding
Niel Family Office (NJJ Holding)
SFOHigh ConfidenceParis, France
Last verified: Jan 16, 2026
Details
- Source of Wealth
- Telecom (Iliad/Free), Investments
- Assets Under Management
- Estimated $13-15B
- Source File
- research/organizations/niel-family-office.md
- UID
- fo-niel-family-office
Also Known As
Xavier Niel Family OfficeNJJ HoldingNiel Capital
Principals (3)
Team Members (3)
Related Entities (7)
42Subsidiary
Tuition-free coding schools
Iliad GroupSubsidiary
Telecom holding (Free brand)
Kima VenturesSubsidiary
Venture capital (prolific angel investor)
Le MondeSubsidiary
French newspaper (investor)
NJJ HoldingHolding Company
Family office and investment vehicle
Niel InvestmentsSubsidiary
Station FSubsidiary
World's largest startup campus
Relationship Strength
Loading relationships...
Sources (7)
- https://www.forbes.com/profile/xavier-niel/
- https://www.bloomberg.com/billionaires/profiles/xavier-b-niel/
- https://grokipedia.com/page/Xavier_Niel
- https://tradersunion.com/persons/xavier-niel/
- https://en.wikipedia.org/wiki/NJJ_Holding
- https://www.famcap.com/2024/11/as-xavier-niels-family-office-bails-out-gam-more-question-the-future-of-active-asset-management/
- https://cerncourier.com/a/private-donors-pledge-support-for-fcc/
Changelog
- 2026-01-16Enriched with biography, family table, NJJ Holding details, entities, GAM bailout activity. Upgraded confidence to High.
- 2026-01-15Auto-generated from principal Xavier Niel