GiveRate / All records / Forbes 400 (Sept. 2026) / Gwendolyn Sontheim Meyer
Gwendolyn Sontheim Meyer
Under 1%
Gwendolyn Sontheim Meyer has given an estimated under 1% of current net worth ($5.3B), based on Forbes' philanthropy score.
- GiveRate
- Under 1%
- Net worth
- $5.3B
- Stated lifetime giving
- Not stated
- Forbes 400
- #318 · Cargill · Rancho Santa Fe, California
- 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
- 64
- Residence
- Rancho Santa Fe, California
- Industry
- Food & Beverage
- Source of wealth
- Cargill
- Self-made
- No (inherited or family wealth)
- One-year change
- $5.4B (#280) in Sept. 2025 to $5.3B (#318) in Sept. 2026, a drop of 2%.
What the range means in dollars
Forbes gives Gwendolyn Sontheim Meyer a philanthropy score of 1 out of 5, meaning lifetime giving equals under 1% of current net worth. On a $5.3B fortune, that implies lifetime giving of less than $53M. 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 Food & Beverage
- Jacqueline Mars: Not scored · $50.3B
- John Mars: Not scored · $50.3B
- Todd Graves: 1–5% · $20.0B
- J. Christopher Reyes: Under 1% · $14.3B
- Jude Reyes: Under 1% · $14.3B
- Tilman Fertitta: Under 1% · $12.6B
Others in California
- Larry Page: Under 1% · $278B
- Sergey Brin: 1–5% · $256B
- Mark Zuckerberg: 1–5% · $212B
- Jensen Huang: Under 1% · $199B
- Eric Schmidt: 5–10% · $37.8B
- Henry Samueli: 1–5% · $33.8B
Questions
How much has Gwendolyn Sontheim Meyer given to charity?
Forbes scores Gwendolyn Sontheim Meyer 1 of 5 for philanthropy, meaning lifetime giving of under 1% of net worth, less than $53M on a $5.3B fortune.
What is Gwendolyn Sontheim Meyer's net worth?
Forbes estimates $5.3B as of September 2026, ranking #318 on the Forbes 400.
What is Gwendolyn Sontheim Meyer's 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