Martha MacMillan
$1.5B
Born
Oct 01, 1951
Age
74
Source of Wealth
Cargill
Residence
Orono, Minnesota
Citizenship
United States
Marital Status
Divorced
Children
5
Education
- Martha MacMillan is one of 12 billionaire heirs to Cargill, the world's biggest agriculture business.
- Her great-great-grandfather, W.W. Cargill, founded the business as a single grain warehouse on the end of an Iowa railroad line in 1865.
- The family still owns roughly 90% of Cargill, which did $154 billion in 2025 sales across food, agriculture, financial and industrial divisions.
- The Cargill-MacMillan family collects an estimated 18% of net profits as dividends every year.
| Exchange | Ticker | Company Name | Number Of Shares | Share Price | Currency Code |
|---|