AUM
Estimated $8-10B (based on net worth)
Principals
3
Principal Net Worth
$2.4B
Data Flags
Fanatics founder, sports business mogul, high-profile philanthropist
Rubin Family Office
SFOHigh ConfidencePhiladelphia, Pennsylvania, USA
Last verified: Jan 17, 2026
Details
- Website
- Unknown
- Source of Wealth
- E-commerce, Sports (Fanatics, GSI Commerce)
- Assets Under Management
- Estimated $8-10B (based on net worth)
- Source File
- research/organizations/rubin-family-office.md
- UID
- fo-rubin-family-office
Also Known As
Michael Rubin Family OfficeRubin CapitalFanatics Family Office
Principals (3)
Related Entities (5)
Fanatics Betting & GamingSubsidiary
Sports betting
Fanatics CollectiblesSubsidiary
Trading cards and memorabilia
Fanatics Inc.Subsidiary
Sports merchandise & collectibles ($31B valuation)
REFORM AllianceSubsidiary
Criminal justice nonprofit (co-founder)
Rubin Family FoundationFoundation
Philanthropic foundation
Relationship Strength
Loading relationships...
Sources (5)
- https://www.forbes.com/profile/michael-rubin/
- https://www.bloomberg.com/billionaires/profiles/michael-g-rubin/
- https://www.goodreturns.in/michael-rubin-net-worth-and-biography-blnr246.html
- https://www.celebritynetworth.com/richest-businessmen/ceos/michael-rubin-net-worth/
- https://thephiladelphiacitizen.org/michael-rubins-50-million-big-bet/
Changelog
- 2026-01-17Upgraded to High confidence - Forbes ($11.5B) and Bloomberg confirm billionaire status
- 2026-01-16Enriched with biography, born July 21 1972, Fanatics/GSI history, sold 76ers/Devils (2023), REFORM Alliance, celebrity connections, updated net worth to $9.5-11.5B, updated confidence to Medium
- 2026-01-15Auto-generated from principal Michael Rubin