#330 Billionaire
Pauline MacMillan Keinath
$9.8B
+$11M
(+0.1%)
US
· Age 92
Source of wealth: Cargill
Industry: food-beverage
Residence: St. Louis, US
{
"bio": [
"Pauline MacMillan Keinath is believed to be the largest shareholder of Cargill, the largest food company in the world, with an estimated 13% stake.",
"Her late brother Whitney MacMillan was the last member of the family to serve as CEO of the business. He retired in 1995.",
"Her 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."
],
"about": []
}
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