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AUM

Estimated $12B+ (Cargill stake, personal holdings)

Principals

4

Principal Net Worth

$7.3B

Data Flags

Largest Cargill individual shareholder, multi-generational wealth

Pauline MacMillan Keinath Family Office (Cargill)

SFOHigh Confidence

Minnetonka, Minnesota / St. Louis, Missouri, USA

Last verified: Jan 16, 2026

Details

Source of Wealth
Agriculture/Food (Cargill)
Assets Under Management
Estimated $12B+ (Cargill stake, personal holdings)
Source File
research/organizations/keinath-family-office.md
UID
fo-keinath-family-office

Also Known As

Pauline MacMillan Keinath Family OfficeKeinath CapitalMacMillan Family Office

Principals (4)

Pauline MacMillan KeinathPrincipal/HeirOWNS
$7.3B
Cargill MacMillan Sr.Cargill executiveOWNS
W.W. CargillFounder of CargillOWNS
Various Cargill-MacMillan relativesCargill shareholdersOWNS

Team Members (5)

Brian SikesTitle TBD
WORKS_AT
David MacTitle TBD
WORKS_AT
Is PlacedTitle TBD
WORKS_AT
John ChidseyTitle TBD
WORKS_AT
Sam AltmanCo-Founder & Partner
WORKS_AT

Related Entities (1)

Cargill, IncorporatedSubsidiary

Estimated 13% stake; world's largest food company Various family trusts and holding entities Philanthropic vehicles (details private)

Relationship Strength

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Sources (5)

Changelog

  • 2026-01-16Enriched with biography, Cargill history (13% stake), family lineage (W.W. Cargill founder), updated net worth ($7.3B-$9.5B), updated confidence to High
  • 2026-01-15Auto-generated from principal Pauline MacMillan Keinath

Engagement & Preferences