GiveRate / All records / Forbes 400 (Sept. 2026) / Diane Hendricks
Diane Hendricks
Under 1%
Diane Hendricks has given an estimated under 1% of current net worth ($23.6B), based on Forbes' philanthropy score.
- GiveRate
- Under 1%
- Net worth
- $23.6B
- Stated lifetime giving
- Not stated
- Forbes 400
- #48 · Building supplies · Afton, Wisconsin
- Status
- Source-reported range
- Sources
- Forbes 400 profile · Sept. 2026
The math
Forbes philanthropy score 1 of 5: lifetime giving is under 1% of current net worth. The range is Forbes' own banding; GiveRate shows it as published.
Profile
- Age
- 79
- Residence
- Afton, Wisconsin
- Industry
- Construction & Engineering
- Source of wealth
- Building supplies
- Self-made
- Yes
- Role
- Cofounder, ABC Supply
- One-year change
- $22.3B (#44) in Sept. 2025 to $23.6B (#48) in Sept. 2026, a gain of 6%.
What the range means in dollars
Forbes gives Diane Hendricks a philanthropy score of 1 out of 5, meaning lifetime giving equals under 1% of current net worth. On a $23.6B fortune, that implies lifetime giving of less than $236M. 177 of the 400 share this score and 206 score higher.
For scale: under 1% of a $50,000 household income would be under $500.
Others in Construction & Engineering
- Mike Hollingshead & family: Under 1% · $7.2B
- Robert Clark: Under 1% · $7.0B
Others in Wisconsin
- John Menard, Jr.: Under 1% · $16.0B
- Judy Faulkner: 1–5% · $9.6B
- Helen Johnson-Leipold: 1–5% · $5.2B
- H. Fisk Johnson: 1–5% · $5.1B
- S. Curtis Johnson: 1–5% · $5.1B
- James Cargill, II.: Under 1% · $4.8B
Questions
How much has Diane Hendricks given to charity?
Forbes scores Diane Hendricks 1 of 5 for philanthropy, meaning lifetime giving of under 1% of net worth, less than $236M on a $23.6B fortune.
What is Diane Hendricks' net worth?
Forbes estimates $23.6B as of September 2026, ranking #48 on the Forbes 400.
What is Diane Hendricks' GiveRate?
Under 1%. GiveRate is lifetime giving as a share of wealth, built from published Forbes figures. See giverate.org/methods/ for the method.
GiveRate is an estimate built only from the published figures above. Wealth and giving totals are themselves estimates. See methods. Spot an error? Request a correction. See all Forbes 400 (Sept. 2026) · Open in the interactive rankings · Calculate your own GiveRate