GiveRate / All records / Forbes 400 (Sept. 2026) / Leonard Stern
Leonard Stern
Under 1%
Leonard Stern has given an estimated under 1% of current net worth ($9.0B), based on Forbes' philanthropy score.
- GiveRate
- Under 1%
- Net worth
- $9.0B
- Stated lifetime giving
- Not stated
- Forbes 400
- #181 · Real estate · New York, New York
- 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
- 88
- Residence
- New York, New York
- Industry
- Real Estate
- Source of wealth
- Real estate
- Self-made
- No (inherited or family wealth)
- Role
- Chairman and CEO, Hartz Mountain Industries, Inc.
- One-year change
- $8.3B (#166) in Sept. 2025 to $9.0B (#181) in Sept. 2026, a gain of 8%.
What the range means in dollars
Forbes gives Leonard Stern a philanthropy score of 1 out of 5, meaning lifetime giving equals under 1% of current net worth. On a $9.0B fortune, that implies lifetime giving of less than $90M. 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.
Giving on record
Many know his name thanks to his $30 million donation in1988 to New York University's business school, renamed in his honor.
From the Forbes profile (Sept. 2026).
Others in Real Estate
- Stephen Ross: 1–5% · $21.5B
- Donald Bren: 5–10% · $19.8B
- Jeff Greene: Under 1% · $10.1B
- Neil Bluhm: 1–5% · $9.9B
- Igor Olenicoff: Under 1% · $9.1B
- Ty Warner: 1–5% · $8.2B
Others in New York
- Michael Bloomberg: ≥21.1% · $94.9B
- Julia Koch & family: 1–5% · $84.6B
- 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
Questions
How much has Leonard Stern given to charity?
Forbes scores Leonard Stern 1 of 5 for philanthropy, meaning lifetime giving of under 1% of net worth, less than $90M on a $9.0B fortune.
What is Leonard Stern's net worth?
Forbes estimates $9.0B as of September 2026, ranking #181 on the Forbes 400.
What is Leonard Stern'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