GiveRate / All records / Forbes 400 (Sept. 2026) / Carl Cook
Carl Cook
Under 1%
Carl Cook has given an estimated under 1% of current net worth ($8.8B), based on Forbes' philanthropy score.
- GiveRate
- Under 1%
- Net worth
- $8.8B
- Stated lifetime giving
- Not stated
- Forbes 400
- #187 · Medical devices · Bloomington, Indiana
- 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
- Bloomington, Indiana
- Industry
- Healthcare
- Source of wealth
- Medical devices
- Self-made
- No (inherited or family wealth)
- One-year change
- $11.7B (#103) in Sept. 2025 to $8.8B (#187) in Sept. 2026, a drop of 25%.
What the range means in dollars
Forbes gives Carl Cook a philanthropy score of 1 out of 5, meaning lifetime giving equals under 1% of current net worth. On a $8.8B fortune, that implies lifetime giving of less than $88M. 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 Healthcare
- Thomas Frist, Jr. & family: 1–5% · $33.6B
- Robert Duggan: Under 1% · $13.4B
- Charlie Mills: Under 1% · $11.0B
- Patrick Soon-Shiong: 1–5% · $10.3B
- Li Ge: Under 1% · $10.1B
- Ronda Stryker: 5–10% · $7.1B
Others in Indiana
- Herb Simon: 1–5% · $7.7B
Questions
How much has Carl Cook given to charity?
Forbes scores Carl Cook 1 of 5 for philanthropy, meaning lifetime giving of under 1% of net worth, less than $88M on a $8.8B fortune.
What is Carl Cook's net worth?
Forbes estimates $8.8B as of September 2026, ranking #187 on the Forbes 400.
What is Carl Cook'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