AUM
~$30-50 billion (estimated based on net worth and Amazon stake)
Principals
3
Principal Net Worth
$283.8B
Founded
2019
Data Flags
Extremely private operation; team maintains no public LinkedIn profiles; net worth verified by Forbes and Bloomberg; Giving Pledge confirmed (2019); giving figures verified via Yield Giving
Lost Horse LLC Research
SFOHigh Confidence1201 3rd Avenue, Suite 4900, Seattle, WA 98101
Last verified: Jan 17, 2026
Details
- Phone
- Not publicly available
- Source of Wealth
- Technology (Amazon, divorce settlement)
- Assets Under Management
- ~$30-50 billion (estimated based on net worth and Amazon stake)
- Source File
- research/organizations/lost-horse-llc.md
- UID
- fo-lost-horse-llc
Also Known As
Lost Horse LLCLost HorseMacKenzie Scott Family OfficeScott Family OfficeYield Giving
Principals (3)
Team Members (4)
Related Entities (2)
Known Associates (2)
Relationship Strength
Loading relationships...
Sources (7)
Changelog
- 2026-01-17Verification - net worth confirmed Forbes $34B (#68 Nov 2025); Bloomberg $40B (Dec 2025); Wikipedia $40B; upgraded to High confidence (3 sources)
- 2025-12-26Added comprehensive team details. Lost Horse LLC (Carlos Rodrigues President - joined mid-2020 from Josh Harris FO, Judy Wang key aide, Hillary Chen philanthropic consultant - former Obama admin). External advisor Jeff Bradach (Bridgespan Co-Founder). Noted Dan Jewett divorced 2022, no longer associated. Team maintains extreme privacy with no public LinkedIn profiles for core staff. Bridgespan received $40M grant late 2020.
- 2025-12-10Initial research file created
- 2025-12-11Updated 2025 giving data ($7.1B in 2025, $26B+ total)