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Julia Koch & family
1–5%
Julia Koch & family has given an estimated 1–5% of current net worth ($84.6B), based on Forbes' philanthropy score.
- GiveRate
- 1–5%
- Net worth
- $84.6B
- Stated lifetime giving
- Not stated
- Forbes 400
- #17 · Koch, Inc. · New York, New York
- Status
- Source-reported range
- Sources
- Forbes 400 profile · Sept. 2026
The math
Forbes philanthropy score 2 of 5: lifetime giving is 1–5% of current net worth. The range is Forbes' own banding; GiveRate shows it as published.
Profile
- Age
- 64
- Residence
- New York, New York
- Industry
- Diversified
- Source of wealth
- Koch, Inc.
- Self-made
- No (inherited or family wealth)
- One-year change
- $81.2B (#16) in Sept. 2025 to $84.6B (#17) in Sept. 2026, a gain of 4%.
What the range means in dollars
Forbes gives Julia Koch & family a philanthropy score of 2 out of 5, meaning lifetime giving equals 1% to 5% of current net worth. On a $84.6B fortune, that implies lifetime giving of roughly between $846M and $4.2B. 138 of the 400 share this score, 177 score lower and 68 score higher.
For scale: 1% to 5% of a $50,000 household income would be $500 to $2,500.
Others in Diversified
- Charles Koch & family: 1–5% · $76.9B
- Len Blavatnik: ≥2.8% · $35.2B
- Elaine Marshall & family: Under 1% · $32.2B
- Edythe Broad & family: ≥36.4% · $7.0B
- Phil Ruffin: Under 1% · $5.3B
- James Duff: Under 1% · $4.5B
Others in New York
- Michael Bloomberg: ≥21.1% · $94.9B
- Stephen Schwarzman: 1–5% · $46.4B
- Marilyn Simons & family: 20%+ · $36.6B
- Israel Englander: Under 1% · $27.6B
- Rupert Murdoch & family: Under 1% · $25.0B
- Edwin Chen: Under 1% · $18.0B
Questions
How much has Julia Koch & family given to charity?
Forbes scores Julia Koch & family 2 of 5 for philanthropy, meaning lifetime giving of 1% to 5% of net worth, roughly between $846M and $4.2B on a $84.6B fortune.
What is Julia Koch & family's net worth?
Forbes estimates $84.6B as of September 2026, ranking #17 on the Forbes 400.
What is Julia Koch & family's GiveRate?
1–5%. 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