David MacMillan Net Worth
Source of wealth: Cargill
$1.07B
— today
Live · · Forbes real-time
David MacMillan's net worth is $1.07 billion as of November 7, 2026, according to Forbes' real-time data, which makes David MacMillan the 3240th richest person in the world.
Lost since you opened this page
$0.00⏱ 00:00:00 on this page$6.26 per second · based on net worth growth
Spend David MacMillan's money →How much does David MacMillan lose per second, hour and day?
Per second
$6.26
Per minute
$376
Per hour
$22,551
Per day
$541,223
Per week
$3.79M
Per year
$197.7M
Basis: Forbes 2026 World's Billionaires list → Forbes Real-Time Billionaires. How we calculate this
How did David MacMillan get so rich?
David MacMillan, whose fortune comes from Cargill, has an estimated net worth of $1.07 billion. That ranks 3240th on Forbes' live list of the world's billionaires. Citizenship: United States (based in Ketchum, Idaho).
Since March 2026, when Forbes measured it at $1.2 billion, David MacMillan's fortune has shrunk by $131 million — an average of $6.26 per second, or $541,223 per day lost.
Ranked near David MacMillan
| # | Name | Net worth | Today | Per second | Country |
|---|---|---|---|---|---|
| 3240 | Anne PedreroCargill | $1.07B | — | −$6.26/s | United States |
| 3240 | Christopher MacMillanCargill | $1.07B | — | −$6.26/s | United States |
| 3240 | Daniel MacMillanCargill | $1.07B | — | −$6.26/s | United States |
| 3240 | David MacMillanCargill | $1.07B | — | −$6.26/s | United States |
| 3240 | Donald MacMillanCargill | $1.07B | — | −$6.26/s | United States |
| 3240 | John H. MacMillan IV IVCargill | $1.07B | — | −$6.26/s | United States |
| 3240 | Kate MacMillan ReedCargill | $1.07B | — | −$6.26/s | United States |
Compare David MacMillan with…
David MacMillan net worth: FAQs
What is David MacMillan's net worth?
David MacMillan's net worth is $1.07 billion as of November 7, 2026, according to Forbes' real-time data, which makes David MacMillan the 3240th richest person in the world.
How much does David MacMillan make per second?
David MacMillan is currently losing money on paper: Since March 2026, when Forbes measured it at $1.2 billion, David MacMillan's fortune has shrunk by $131 million — an average of $6.26 per second, or $541,223 per day lost. Wealth figures move with share prices, so the rate changes daily.
How did David MacMillan make their money?
The main sources of David MacMillan's wealth are: Cargill.
How long would it take an average person to earn David MacMillan's net worth?
A typical full-time US worker earning about $63,128 a year would need roughly 16,934 years to earn David MacMillan's fortune — without spending a cent.
How old is David MacMillan?
David MacMillan is 72 years old and is a citizen of United States.
Sources
- Net worth: Forbes Real-Time Billionaires (source), refreshed every 15 minutes.
- History: Forbes World's Billionaires lists, 2026–2026.
- Per-second figures are averages. See our methodology.