William MacMillan

William MacMillan

William MacMillan (#2342)

Global Rank #2342
Country Rank #759
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 #2,342
Country Rank #759
Net Worth $1.8B
Previous Worth $1.8B
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

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 $1.8B
Current Net Worth $1.8B

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: $1.8B (May 4, 2026)