GiveRate / All records / Forbes 400 (Sept. 2026) / Stephen Mandel, Jr.
Stephen Mandel, Jr.
1–5%
Stephen Mandel, Jr. has given an estimated 1–5% of current net worth ($5.7B), based on Forbes' philanthropy score.
- GiveRate
- 1–5%
- Net worth
- $5.7B
- Stated lifetime giving
- Not stated
- Forbes 400
- #302 · Hedge funds · Greenwich, Connecticut
- 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
- 70
- Residence
- Greenwich, Connecticut
- Industry
- Finance & Investments
- Source of wealth
- Hedge funds
- Self-made
- Yes
- Role
- Founder, Lone Pine Capital
- One-year change
- New to the Forbes 400 in 2026 at #302 with $5.7B.
What the range means in dollars
Forbes gives Stephen Mandel, Jr. a philanthropy score of 2 out of 5, meaning lifetime giving equals 1% to 5% of current net worth. On a $5.7B fortune, that implies lifetime giving of roughly between $57M and $285M. 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.
Giving on record
Mandel has poured hundreds of millions into his Zoom Foundation.
From the Forbes profile (Sept. 2026).
Others in Finance & Investments
- Warren Buffett: ≥33.3% · $144B
- Thomas Peterffy: Under 1% · $107B
- Michael Bloomberg: ≥21.1% · $94.9B
- Jeff Yass: Under 1% · $77.8B
- Ken Griffin: 4.3% · $60.5B
- Stephen Schwarzman: 1–5% · $46.4B
Others in Connecticut
- Steve Cohen: 5–10% · $26.7B
- Ray Dalio: ≥5.0% · $18.9B
- Brad Jacobs: Not scored · $13.3B
- Karen Pritzker: 1–5% · $8.1B
- Clifford Asness: Under 1% · $8.0B
- Ratmir Timashev: Under 1% · $5.4B
Questions
How much has Stephen Mandel, Jr. given to charity?
Forbes scores Stephen Mandel, Jr. 2 of 5 for philanthropy, meaning lifetime giving of 1% to 5% of net worth, roughly between $57M and $285M on a $5.7B fortune.
What is Stephen Mandel, Jr.'s net worth?
Forbes estimates $5.7B as of September 2026, ranking #302 on the Forbes 400.
What is Stephen Mandel, Jr.'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