← Back to Organizations

AUM

$4B+ (estimated based on net worth)

Principals

6

Principal Net Worth

$4.8B

Data Flags

Cargill heiress (one of 12 billionaire heirs); Montana's richest woman; very private

Liebmann Family Office

SFOHigh Confidence

Bozeman, Montana

Last verified: Jan 16, 2026

Details

Website
Unknown
Source of Wealth
Inherited (Cargill)
Assets Under Management
$4B+ (estimated based on net worth)
Source File
research/organizations/liebmann-family-office.md
UID
fo-liebmann-family-office

Also Known As

Marianne Cargill Liebmann Family OfficeLiebmann CapitalCargill-Liebmann Family Office

Principals (6)

Marianne Cargill LiebmannPrincipal (Heiress)OWNS
$4.8B
Husband-OWNS
Austen S. Cargill IICargill heirOWNS
James R. Cargill IICargill heirOWNS
William Wallace CargillCargill founderOWNS
2 Children-OWNS

Related Entities (2)

Cargill family ownership stakeSubsidiary

One of 12 billionaire Cargill heirs

Private investment vehiclesSubsidiary

(for wealth management; not publicly disclosed)

Relationship Strength

Loading relationships...

Sources (4)

Changelog

  • 2026-01-16VERIFICATION - Upgraded to High confidence. Added 4 net worth sources (Forbes, CEOWORLD, XL Country, K99 at $4.2-4.8B). Cargill family owns 90% of $154B company.
  • 2026-01-16Enriched with principal biography, family tree, net worth $4.8B, updated confidence to Medium
  • 2026-01-15Auto-generated from principal Marianne Liebmann

Engagement & Preferences