Thomas L Kempner Jr Foundation Inc
Invitation OnlySouthampton, New York · EIN 13-3407819 · Private foundation
Grants paid (2024)$11.6M
Organizations funded22
Typical grant$200,000
Total assets$326.4M
Half of its grants to organizations were between $100,000 and $519,660.
From the return
How to apply
On its return for tax year 2024 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
52% of grants went outside New York.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Jewish Communal Fund | New York, NY | Daf replenishment -thomas L. kempner jr. foundation inc. fund | $3,235,000 |
| Mount Sinai Hospital | New York, NY | President's strategic initiative fund | $2,000,000 |
| Planned Parenthood Federation of America Inc | New York, NY | Provider recruitment, patient navigation & epic | $1,250,000 |
| Wildlife Conservation Society | Bronx, NY | Marine strongholds and blue carbon | $1,000,000 |
| Harlem Village Academies | New York, NY | Accelerated mathematics phase II | $944,000 |
| Open Space Institute Inc | New York, NY | Greenway trails acquisition program | $519,660 |
| Transportation Alternatives Inc | New York, NY | General operating | $400,000 |
| Businesses United in Investing Lending and Development | Redwood City, CA | Support and licensed partnerships | $350,000 |
| Achievement First Charter School | New Haven, CT | Ct general operations | $250,000 |
| American Museum of Natural History | New York, NY | Futter fund for science and society | $250,000 |
| Harvard Business School | Boston, MA | Dean's innovation fund | $250,000 |
| Rare Inc | Arlington, VA | Rare brazil's fish forever program - community-led management of the amazon coast | $200,000 |
| Bletchley Park | Bletchley, UK | Block b learning centre | $175,425 |
| Central Park Conservancy | New York, NY | Essential central park fund | $166,667 |
| Tides Center | San Francisco, CA | Da office project | $150,000 |
| Yale University | New Haven, CT | Fund for civic engagement and discourse | $100,000 |
| Yale University | New Haven, CT | Fund for yale school of engineering & applied science | $100,000 |
| Parks & Trails | Albany, NY | Greenways across new york state via the est 2.0 proposal | $90,000 |
| Stanford University Board of Trustees | Stanford, CA | Criminal justice center/three strikes project | $75,000 |
| Stanford University Board of Trustees | Stanford, CA | Sallyanne payton fellowship fund, center for racial justice and blsa fund | $45,000 |
| Yale University | New Haven, CT | Annual fund | $20,000 |
| Harvard Business School | Boston, MA | Annual fund | $5,000 |
Grants approved for future payment
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Stanford University Board of Trustees | Stanford, CA | Criminal justice center/three strikes project | $500,000 |
| Yale University | New Haven, CT | Yale | $440,000 |
| Rare | Arlington, VA | Rare brazil's fish forever program - community-led management of the amazon coast | $300,000 |
| Tides Center | San Francisco, CA | Da office project | $300,000 |
| Kabuki Syndrome Foundation | Northbrook, IL | General operating | $150,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $11,575,752 | 27 |
| 2023 | $17,594,561 | 35 |
Sources
- IRS Form 990-PF, tax year 2024, filed Nov 4, 2025 - IRS e-file batch, object ID 202543089349101329
- IRS Tax Exempt Organization Search for EIN 13-3407819
- Profile updated Nov 5, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.