AUM
Estimated $5-10B (based on Valve ownership estimates)
Principals
3
Principal Net Worth
$11.0B
Data Flags
Very private; Valve/Steam privately held; $500M superyacht Leviathan; based partly in New Zealand
Newell Family Office
SFOHigh ConfidenceBellevue, Washington / New Zealand
Last verified: Jan 16, 2026
Details
- Website
- Unknown
- Source of Wealth
- Technology (Valve Corporation / Steam gaming platform)
- Assets Under Management
- Estimated $5-10B (based on Valve ownership estimates)
- Source File
- research/organizations/newell-family-office.md
- UID
- fo-newell-family-office
Also Known As
Gabe Newell Family OfficeNewell Capital
Principals (3)
Related Entities (4)
Relationship Strength
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Sources (6)
- https://en.wikipedia.org/wiki/Gabe_Newell
- https://www.forbes.com/profile/gabe-newell/
- https://half-life.fandom.com/wiki/Gabe_Newell
- https://www.msn.com/en-us/money/other/gabe-newell-s-net-worth-explained-from-harvard-dropout-to-9-5b-gaming-mogul/ar-AA1CFBdT
- https://megayachtnews.com/2025/11/yacht-leviathan-owner-gabe-newell-vision/
- https://www.boatinternational.com/features/who-is-gabe-newell-famous-for-valve-steam-oceanco
Changelog
- 2026-01-16VERIFICATION - Upgraded to High confidence. Added 4 net worth sources ($9.5-11B range). Added $500M Leviathan yacht with gaming stations and submarine garage.
- 2026-01-16Enriched with biography, education, family table, entities, recent activity. Corrected source of wealth from "Gambling & Casinos" to Technology.
- 2026-01-15Auto-generated from principal Gabe Newell