Data / Foundation grants / Thomas L Kempner Jr Foundation
Thomas L Kempner Jr Foundation: 22 grants to organizations, $11.6 million (tax year ended December 2024)
Thomas L Kempner Jr Foundation, a private foundation in Southampton, NY, paid 22 grants to organizations totaling $11,575,752 in its tax year ended December 2024, according to its Form 990-PF filed with the IRS on November 4, 2025. The largest was $3,235,000 to Jewish Communal Fund in New York, NY for daf replenishment -thomas l. kempner jr. foundation inc. fund.
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- EIN
- 133407819
- Based in
- Southampton, NY
- Assets
- $326,388,820
- Grants paid
- $11,575,752
- Tax year ended
- December 2024
Grants paid, tax year ended December 2024
From the Form 990-PF filed November 4, 2025, IRS object ID 202543089349101329. It reported $11,575,752 in grants paid; 22 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| Jewish Communal Fund | New York, NY | Daf replenishment -thomas l. kempner jr. foundation inc. fund | Philanthropy, voluntarism and grantmaking foundations | $3,235,000 | apps.irs.gov |
| Mount Sinai Hospital | New York, NY | President's strategic initiative fund | Health care | $2,000,000 | apps.irs.gov |
| Planned Parenthood Federation of America Inc | New York, NY | Provider recruitment, patient navigation & epic | $1,250,000 | apps.irs.gov | |
| Wildlife Conservation Society | Bronx, NY | Marine strongholds and blue carbon | Animal-related | $1,000,000 | apps.irs.gov |
| Harlem Village Academies | New York, NY | Accelerated mathematics phase ii | $944,000 | apps.irs.gov | |
| Open Space Institute Inc | New York, NY | Greenway trails acquisition program | Environment | $519,660 | apps.irs.gov |
| Transportation Alternatives Inc | New York, NY | General operating | $400,000 | apps.irs.gov | |
| Businesses United in Investing Lending and Development | Redwood City, CA | Support and licensed partnerships | Community improvement and capacity building | $350,000 | apps.irs.gov |
| Achievement First Charter School | New Haven, CT | Ct general operations | $250,000 | apps.irs.gov | |
| American Museum of Natural History | New York, NY | Futter fund for science and society | Arts, culture and humanities | $250,000 | apps.irs.gov |
| Harvard Business School | Boston, MA | Dean's innovation fund | $250,000 | apps.irs.gov | |
| Rare Inc | Arlington, VA | Rare brazil's fish forever program - community-led management of the amazon coast | Environment | $200,000 | apps.irs.gov |
| Bletchley Park | Bletchley, UK | Block b learning centre | $175,425 | apps.irs.gov | |
| Central Park Conservancy | New York, NY | Essential central park fund | Recreation and sports | $166,667 | apps.irs.gov |
| Tides Center | San Francisco, CA | Da office project | Human services | $150,000 | apps.irs.gov |
| Yale University | New Haven, CT | Fund for civic engagement and discourse | $100,000 | apps.irs.gov | |
| Yale University | New Haven, CT | Fund for yale school of engineering & applied science | $100,000 | apps.irs.gov | |
| Parks & Trails | Albany, NY | Greenways across new york state via the est 2.0 proposal | $90,000 | apps.irs.gov | |
| Stanford University Board of Trustees | Stanford, CA | Criminal justice center/three strikes project | $75,000 | apps.irs.gov | |
| Stanford University Board of Trustees | Stanford, CA | Sallyanne payton fellowship fund, center for racial justice and blsa fund | $45,000 | apps.irs.gov | |
| Yale University | New Haven, CT | Annual fund | $20,000 | apps.irs.gov | |
| Harvard Business School | Boston, MA | Annual fund | $5,000 | apps.irs.gov |
Causes funded
From grants whose recipient has a cause.
| Cause | Granted |
|---|---|
| Philanthropy, voluntarism and grantmaking foundations | $3,235,000 |
| Health care | $2,000,000 |
| Animal-related | $1,000,000 |
| Environment | $719,660 |
| Community improvement and capacity building | $350,000 |
| Arts, culture and humanities | $250,000 |
| Recreation and sports | $166,667 |
| Human services | $150,000 |
States funded
| Recipient state | Granted |
|---|---|
| New York | $9,855,327 |
| California | $620,000 |
| Connecticut | $470,000 |
| Massachusetts | $255,000 |
| Virginia | $200,000 |
Also on SpecStream
- Who funds philanthropy, voluntarism and grantmaking foundations in New York
- Who funds health care in New York
- Who funds animal-related in New York
- Who funds environment in New York
- Who funds community improvement and capacity building in California
- Who funds arts, culture and humanities in New York
Updated November 4, 2025. Read from IRS Form 990-PF e-file data. Public domain (U.S. government work). Grants are as each foundation reported them to the IRS on its Form 990-PF. Grants to individuals are left out. A grant has a cause only where the recipient's name and city match one organization in the IRS Business Master File, and the cause is that organization's NTEE major group. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.