AUM
Estimated $4-5B (based on Renco Group holdings)
Principals
2
Principal Net Worth
$3.8B
Data Flags
Industrial conglomerate owner; Hamptons mega-mansion ($268M assessed); Bloomberg Billionaires tracks
Rennert Family Office
SFOHigh ConfidenceNew York, NY, USA
Last verified: Jan 16, 2026
Details
- Source of Wealth
- Industrial Conglomerate (Renco Group)
- Assets Under Management
- Estimated $4-5B (based on Renco Group holdings)
- Source File
- research/organizations/rennert-family-office.md
- UID
- fo-rennert-family-office
Also Known As
Ira Rennert Family OfficeRennert CapitalRenco Family Office
Principals (2)
Related Entities (5)
AM General LLCSubsidiary
Military vehicle manufacturer (Humvee)
Fair Field EstateSubsidiary
Sagaponack, NY mega-mansion (110,000 sq ft)
Ingeborg & Ira Leon Rennert FoundationFoundation
Philanthropic foundation
Renco GroupSubsidiary
Industrial holding company (100% owned)
Renco MetalsSubsidiary
Metals and mining operations
Relationship Strength
Loading relationships...
Sources (5)
Changelog
- 2026-01-16VERIFICATION - Upgraded to High confidence; multi-source net worth (Forbes + Bloomberg + Wikipedia all $3.8B)
- 2026-01-16Enriched with biography, education, updated net worth to $3.8B, added Fair Field estate details, Renco Group information, philanthropy
- 2026-01-15Auto-generated from principal Ira Rennert