William MacMillan

William MacMillan (#2417)

Global Rank #2417

Country Rank #778

Country United States

William MacMillan is listed among the world billionaires tracked by Iconic Billionaires.

$ 2 B
Cargill
United States
M
72 Years

Snapshot

Quick Facts

Global Rank #2,417

Country Rank #778

Net Worth $1.7B

Previous Worth $1.7B

Worth Change +$0.0B

Country United States

Industry Cargill

Age 72 Years

Gender M

Worth As Of May 4, 2026

Residence Englewood, Colorado

Citizenship United States

World Billionaires List United States Billionaires Cargill

Profile Data

Personal Stats

Age 71

Source Of Wealth Cargill

Self Made Score 1

Residence Englewood, Colorado

Citizenship United States

Net Worth Change +$0.0B +0.0% from previous worth

Previous Net Worth $1.7B

Current Net Worth $1.7B

Worth as of May 4, 2026

About Me

William MacMillan is one of 21 billionaire heirs to Cargill, the world's biggest agriculture business. His 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.

Achievements

Forbes List Highlights

A snapshot of the list placements and rankings connected to William MacMillan.

#2386

Billionaires (2026)

Wealth Growth

Net Worth Growth Over Time

Tracking William MacMillan's net worth journey over the years, highlighting key growth phases and financial milestones.

Worth Trend Net Worth Growth

Period Change Worth Movement

Current Net Worth: $1.7B (May 4, 2026)