Data / Foundation grants / Leon Lowenstein Foundation Inc
Leon Lowenstein Foundation Inc: 103 grants to organizations, $8 million (tax year ended December 2025)
Leon Lowenstein Foundation Inc, a private foundation in Madison, CT, paid 103 grants to organizations totaling $7,960,000 in its tax year ended December 2025, according to its Form 990-PF filed with the IRS on June 17, 2026. The largest was $700,000 to Johns Hopkins University in Baltimore, MD for charitable.
SpecStream is the live web data engine for teams and agents. It reads every private foundation's Form 990-PF as the IRS publishes it, and this page is that reading. Ask for the foundations that fund your cause in your state, with the amounts and purposes, and new grants arrive in your sheet, CRM, Slack or agent as the returns are filed.
- EIN
- 136015951
- Based in
- Madison, CT
- Assets
- $218,451,414
- Grants paid
- $7,960,000
- Tax year ended
- December 2025
Grants paid, tax year ended December 2025
From the Form 990-PF filed June 17, 2026, IRS object ID 202611689349100311. It reported $7,960,000 in grants paid; 103 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| Johns Hopkins University | Baltimore, MD | Charitable | $700,000 | apps.irs.gov | |
| National Association of Community Health Centers | Bethesda, MD | Charitable | Health care | $500,000 | apps.irs.gov |
| Mobile Health Care Association | St Louis, MO | Charitable | $450,000 | apps.irs.gov | |
| Cityschools Collaborative | Washington, DC | Charitable | Education | $300,000 | apps.irs.gov |
| The Family Van - A Program of Harvard Medical School | Boston, MA | Charitable | $300,000 | apps.irs.gov | |
| Amalgamated Foundation | Washington, DC | Charitable | $250,000 | apps.irs.gov | |
| Climatehaven Inc | New Haven, CT | Charitable | Science and technology | $250,000 | apps.irs.gov |
| Coalition for Green Capital | Washington, DC | Charitable | Environment | $250,000 | apps.irs.gov |
| Groundswell | Washington, DC | Charitable | Environment | $250,000 | apps.irs.gov |
| Invest in Our Future | New York, NY | Charitable | $250,000 | apps.irs.gov | |
| Essential Hospitals Institute | Washington, DC | Charitable | $225,000 | apps.irs.gov | |
| Learn To Be Foundation | West Hollywood, CA | Charitable | Education | $225,000 | apps.irs.gov |
| Arizona State University Foundation | Tempe, AZ | Charitable | $200,000 | apps.irs.gov | |
| City Year | Boston, MA | Charitable | $200,000 | apps.irs.gov | |
| Edututorva | MC Lean, VA | Charitable | $200,000 | apps.irs.gov | |
| Inclusiv | New York, NY | Charitable | Public and societal benefit | $200,000 | apps.irs.gov |
| Lawyers for Good Government Inc | Washington, DC | Charitable | Community improvement and capacity building | $200,000 | apps.irs.gov |
| Children's Health Fund | New York, NY | Charitable | $150,000 | apps.irs.gov | |
| Grid Alternatives | Oakland, CA | Charitable | Environment | $150,000 | apps.irs.gov |
| Rare Inc | Arlington, VA | Charitable | Environment | $150,000 | apps.irs.gov |
| Schoolhouse Connection | Washington, DC | Charitable | Education | $150,000 | apps.irs.gov |
| Undauntedk12 | San Francisco, CA | Charitable | Environment | $150,000 | apps.irs.gov |
| Feeding America | Chicago, IL | Charitable | Food, agriculture and nutrition | $125,000 | apps.irs.gov |
| Sustainenergyfinance | Salt Lake City, UT | Charitable | Science and technology | $125,000 | apps.irs.gov |
| The Neurodiversity Alliance | New York, NY | Charitable | $125,000 | apps.irs.gov | |
| Wayne State University | Detroit, MI | Charitable | Education | $125,000 | apps.irs.gov |
| Peer Power Foundation | Memphis, TN | Charitable | Education | $100,000 | apps.irs.gov |
| School-Based Health Alliance | Washington, DC | Charitable | Health care | $100,000 | apps.irs.gov |
| Sacred Heart University Horizons | Fairfield, CT | Charitable | $75,000 | apps.irs.gov | |
| Throughline Learning | Providence, RI | Charitable | Human services | $75,000 | apps.irs.gov |
| Boys & Girls Club of Greenwich-For Capital Campaign | Greenwich, CT | Charitable | $50,000 | apps.irs.gov | |
| Epic Theatre Center Inc (dba Epic Theatre Ensemble) | New York, NY | Charitable | $50,000 | apps.irs.gov | |
| National Association of Rural Health Clinics | Fremont, MI | Charitable | $50,000 | apps.irs.gov | |
| National Rural Health Association | Washington, DC | Charitable | $50,000 | apps.irs.gov | |
| Institute for Nonprofit Practice | Needham, MA | Charitable | $40,000 | apps.irs.gov | |
| Rachel's Network Inc | New York, NY | Charitable | $35,000 | apps.irs.gov | |
| The Poetry Society of America | Brooklyn, NY | Charitable | Arts, culture and humanities | $35,000 | apps.irs.gov |
| World Central Kitchen | Washington, DC | Charitable | International, foreign affairs and national security | $35,000 | apps.irs.gov |
| Boys & Girls Club of Greenwich | Greenwich, CT | Charitable | Youth development | $30,000 | apps.irs.gov |
| Get Lit - Words Ignite Inc | Los Angeles, CA | Charitable | Arts, culture and humanities | $30,000 | apps.irs.gov |
| International Institute of New England | Boston, MA | Charitable | Civil rights, social action and advocacy | $30,000 | apps.irs.gov |
| Multiplier | San Francisco, CA | Charitable | Environment | $30,000 | apps.irs.gov |
| The Stronghold | Portland, OR | Charitable | $30,000 | apps.irs.gov | |
| Trustees of Tufts College | Boston, MA | Charitable | $30,000 | apps.irs.gov | |
| Venice Family Clinic | Venice, CA | Charitable | Health care | $30,000 | apps.irs.gov |
| Beth Israel Deaconess Medical Center | Boston, MA | Charitable | $25,000 | apps.irs.gov | |
| Cedars Sinai Medical Center | Los Angeles, CA | Charitable | Health care | $25,000 | apps.irs.gov |
| Conservation International | Arlington, VA | Charitable | $25,000 | apps.irs.gov | |
| Hurricane Island Foundation | Rockland, ME | Charitable | Youth development | $25,000 | apps.irs.gov |
| Jewish Community Relations Council of Greater Boston Inc | Boston, MA | Charitable | International, foreign affairs and national security | $25,000 | apps.irs.gov |
| Los Angeles Dodgers Foundation | Los Angeles, CA | Charitable | Recreation and sports | $25,000 | apps.irs.gov |
| Los Angeles Fire Department Foundation | Los Angeles, CA | Charitable | Public safety, disaster preparedness and relief | $25,000 | apps.irs.gov |
| New England Friends of the March of the Living | Sharon, MA | Charitable | Philanthropy, voluntarism and grantmaking foundations | $25,000 | apps.irs.gov |
| North Suburban JCC | Peabody, MA | Charitable | $25,000 | apps.irs.gov | |
| Riverside Park Conservancy | New York, NY | Charitable | Environment | $25,000 | apps.irs.gov |
| Soul | New Orleans, LA | Charitable | $25,000 | apps.irs.gov | |
| The Jewish Community Center in Manhattan | New York, NY | Charitable | Human services | $25,000 | apps.irs.gov |
| Urban Acheivers Safe Schools | Boston, MA | Charitable | $25,000 | apps.irs.gov | |
| Usc Marshall | Los Angeles, CA | Charitable | $25,000 | apps.irs.gov | |
| Wallis Annenberg Center for the Performing Arts | Beverly Hills, CA | Charitable | Arts, culture and humanities | $25,000 | apps.irs.gov |
| Year Up United | Boston, MA | Charitable | $25,000 | apps.irs.gov | |
| American Jewish Committee | New York, NY | Charitable | Civil rights, social action and advocacy | $20,000 | apps.irs.gov |
| Building Relationships Inc Dba Spill the Honey | Southfield, MI | Charitable | $20,000 | apps.irs.gov | |
| Endicott College | Beverly, MA | Charitable | Education | $20,000 | apps.irs.gov |
| Williams-Mystic | Mystic, CT | Charitable | $20,000 | apps.irs.gov | |
| Barrington Stage Company Inc | Pittsfield, MA | Charitable | Education | $15,000 | apps.irs.gov |
| Children's Museum of Manhattan | New York, NY | Charitable | $15,000 | apps.irs.gov | |
| Crossroads Rhode Island - 2 | Providence, RI | Charitable | $15,000 | apps.irs.gov | |
| Hour Children Inc | Long Island City, NY | Charitable | Human services | $15,000 | apps.irs.gov |
| Trustees of Columbia University | New York City, NY | Charitable | Education | $15,000 | apps.irs.gov |
| West Side Campaign Against Hunger | New York City, NY | Charitable | $15,000 | apps.irs.gov | |
| A Leadership Journey | Providence, RI | Charitable | Youth development | $10,000 | apps.irs.gov |
| Amanda James Incorporated | New York, NY | Charitable | $10,000 | apps.irs.gov | |
| Beverly Hills Police Foundation | Beverly Hills, CA | Charitable | $10,000 | apps.irs.gov | |
| Child Mind Institute | New York, NY | Charitable | Mental health and crisis intervention | $10,000 | apps.irs.gov |
| Coffee for Good Inc | Greenwich, CT | Charitable | Employment | $10,000 | apps.irs.gov |
| Common Sense Media | San Francisco, CA | Charitable | Arts, culture and humanities | $10,000 | apps.irs.gov |
| Friends of the High Line | New York, NY | Charitable | Arts, culture and humanities | $10,000 | apps.irs.gov |
| Hackley School | Tarrytown, NY | Charitable | Health care | $10,000 | apps.irs.gov |
| Irish Repertory Theatre | New York, NY | Charitable | $10,000 | apps.irs.gov | |
| Israel On Campus Coalition | Washington, DC | Charitable | Education | $10,000 | apps.irs.gov |
| Jewish Alliance of Greater Rhode Island | Providence, RI | Charitable | Human services | $10,000 | apps.irs.gov |
| Mosaic Interfaith Youth Action | Newton Highlands, MA | Charitable | Youth development | $10,000 | apps.irs.gov |
| New York Eye and Ear Infirmary | New York City, NY | Charitable | Health care | $10,000 | apps.irs.gov |
| Pen America | New York, NY | Charitable | $10,000 | apps.irs.gov | |
| Proeco Azuero | East Hampton, NY | Charitable | $10,000 | apps.irs.gov | |
| Public Counsel | Los Angeles, CA | Charitable | Crime and legal-related | $10,000 | apps.irs.gov |
| Rhode Island Community Foundation | Providence, RI | Charitable | Philanthropy, voluntarism and grantmaking foundations | $10,000 | apps.irs.gov |
| Save the Children | Fairfield, CT | Charitable | $10,000 | apps.irs.gov | |
| Step Up Tutoring | Santa Monica, CA | Charitable | Education | $10,000 | apps.irs.gov |
| The American Exchange Project Inc | Chestnut Hill, MA | Charitable | $10,000 | apps.irs.gov | |
| The Jar | Boston, MA | Charitable | $10,000 | apps.irs.gov | |
| The Salem Pantry Inc | Salem, MA | Charitable | Food, agriculture and nutrition | $10,000 | apps.irs.gov |
| Vildwerk Foundation Inc | New York, NY | Charitable | $10,000 | apps.irs.gov | |
| World Jewish Relief USA | New York, NY | Charitable | Religion-related | $10,000 | apps.irs.gov |
| Rhode Island Community Food Bank | Providence, RI | Charitable | $7,500 | apps.irs.gov | |
| The Fly Initiative | Cranston, RI | Charitable | $7,500 | apps.irs.gov | |
| Israeli-American Council of New England | Newton, MA | Charitable | $5,000 | apps.irs.gov | |
| Ons Foundation for Clinical Research & Education Inc | Greenwich, CT | Charitable | Health care | $5,000 | apps.irs.gov |
| Save the Bay | Providence, RI | Charitable | Environment | $5,000 | apps.irs.gov |
| Squash Haven | New Haven, CT | Charitable | Human services | $5,000 | apps.irs.gov |
| The Harvey School | Katonah, NY | Charitable | Education | $5,000 | apps.irs.gov |
| YWCA Greenwich Connecticut Inc | Greenwich, CT | Charitable | Human services | $5,000 | apps.irs.gov |
Grants paid, tax year ended December 2024
From the Form 990-PF filed July 15, 2025, IRS object ID 202531969349101003. It reported $6,495,000 in grants paid; 86 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| Johns Hopkins University | Baltimore, MD | Charitable | $700,000 | apps.irs.gov | |
| President and Fellows of Harvard College | Boston, MA | Charitable | $537,500 | apps.irs.gov | |
| National Association of Community Health Centers | Bethesda, MD | Charitable | Health care | $300,000 | apps.irs.gov |
| Mobile Health Care Association | St Louis, MO | Charitable | $287,500 | apps.irs.gov | |
| Camp Fire National Headquarters | Columbia, MO | Charitable | $250,000 | apps.irs.gov | |
| City Tutor DC | Washington, DC | Charitable | $250,000 | apps.irs.gov | |
| Community Health Center Capital Fund | Boston, MA | Charitable | Health care | $250,000 | apps.irs.gov |
| National Mentoring Partnership | Boston, MA | Charitable | Youth development | $250,000 | apps.irs.gov |
| Clean Energy Group Inc | Montpelier, VT | Charitable | Environment | $240,000 | apps.irs.gov |
| Grid Alternatives | Oakland, CA | Charitable | Environment | $240,000 | apps.irs.gov |
| Capital Good Fund | Providence, RI | Charitable | Community improvement and capacity building | $225,000 | apps.irs.gov |
| Center On Health Insurance Reforms Georgetown University | Washington, DC | Charitable | $225,000 | apps.irs.gov | |
| Scan Group | Long Beach, CA | Charitable | Human services | $225,000 | apps.irs.gov |
| Windward Fund | Washington, DC | Charitable | Environment | $220,000 | apps.irs.gov |
| Inclusiv | New York, NY | Charitable | Public and societal benefit | $215,000 | apps.irs.gov |
| Schoolhouse Connection | Washington, DC | Charitable | Education | $180,000 | apps.irs.gov |
| The Neurodiversity Alliance | New York, NY | Charitable | $170,000 | apps.irs.gov | |
| Environmental Defense Fund Incorporated | New York, NY | Charitable | Environment | $150,000 | apps.irs.gov |
| Coalition for Green Capital | Washington, DC | Charitable | Environment | $125,000 | apps.irs.gov |
| Arizona State University Foundation | Tempe, AZ | Charitable | $100,000 | apps.irs.gov | |
| School-Based Health Alliance | Washington, DC | Charitable | Health care | $100,000 | apps.irs.gov |
| Boys & Girls Club of Greenwich | Greenwich, CT | Charitable | Youth development | $75,000 | apps.irs.gov |
| Throughline Learning | Providence, RI | Charitable | Human services | $75,000 | apps.irs.gov |
| Urban Sustainability Directors Network | Port Washington, WI | Charitable | $60,000 | apps.irs.gov | |
| American Jewish Committee | New York, NY | Charitable | Civil rights, social action and advocacy | $50,000 | apps.irs.gov |
| Epic Theatre Center Inc (dba Epic Theatre Ensemble) | New York, NY | Charitable | $50,000 | apps.irs.gov | |
| Institute for Nonprofit Practice | Needham, MA | Charitable | $40,000 | apps.irs.gov | |
| Hurricane Island Foundation | Rockland, ME | Charitable | Youth development | $35,000 | apps.irs.gov |
| The Jewish Community Center in Manhattan | New York, NY | Charitable | Human services | $30,000 | apps.irs.gov |
| The Wharton School of the University of Pennsylvania | Philadelphia, PA | Charitable | $30,000 | apps.irs.gov | |
| Year Up | Washington, DC | Charitable | $30,000 | apps.irs.gov | |
| Anti-Defamation League | New York, NY | Charitable | Civil rights, social action and advocacy | $25,000 | apps.irs.gov |
| Barrington Stage Company Inc | Pittsfield, MA | Charitable | Education | $25,000 | apps.irs.gov |
| Beth Israel Deaconess Medical Center | Boston, MA | Charitable | $25,000 | apps.irs.gov | |
| Cedars Sinai Medical Center | Los Angeles, CA | Charitable | Health care | $25,000 | apps.irs.gov |
| Eva's Heroes | San Antonio, TX | Charitable | $25,000 | apps.irs.gov | |
| Ohana One | Los Angeles, CA | Charitable | $25,000 | apps.irs.gov | |
| Rachel's Network Inc | New York, NY | Charitable | $25,000 | apps.irs.gov | |
| Riverside Park Conservancy | New York, NY | Charitable | Environment | $25,000 | apps.irs.gov |
| University of Washington | Seattle, WA | Charitable | Employment | $25,000 | apps.irs.gov |
| Usc Marshall School of Business | Los Angeles, CA | Charitable | $25,000 | apps.irs.gov | |
| Wallis Annenberg Center for the Performing Arts | Beverly Hills, CA | Charitable | Arts, culture and humanities | $25,000 | apps.irs.gov |
| West Side Center for Community Life Inc | New York, NY | Charitable | Youth development | $25,000 | apps.irs.gov |
| Urban Acheivers Safe Schools | Boston, MA | Charitable | $23,000 | apps.irs.gov | |
| North Suburban JCC | Peabody, MA | Charitable | $20,000 | apps.irs.gov | |
| The Poetry Society of America | Brooklyn, NY | Charitable | Arts, culture and humanities | $20,000 | apps.irs.gov |
| Trustees of Columbia University of Ny | New York, NY | Charitable | $20,000 | apps.irs.gov | |
| Child Mind Institute | New York, NY | Charitable | Mental health and crisis intervention | $15,000 | apps.irs.gov |
| Children's Museum of Manhattan | New York, NY | Charitable | $15,000 | apps.irs.gov | |
| Conservation International | Arlington, VA | Charitable | $15,000 | apps.irs.gov | |
| Crossroads Rhode Island | New York, NY | Charitable | $15,000 | apps.irs.gov | |
| Friends of the High Line | New York, NY | Charitable | Arts, culture and humanities | $15,000 | apps.irs.gov |
| Hackley School | Tarrytown, NY | Charitable | Health care | $15,000 | apps.irs.gov |
| Project Renewal Inc | New York, NY | Charitable | Mental health and crisis intervention | $15,000 | apps.irs.gov |
| Safe Surfin | Floyd, VA | Charitable | $15,000 | apps.irs.gov | |
| School On Wheels Inc | Los Angeles, CA | Charitable | $15,000 | apps.irs.gov | |
| The Salem Pantry Inc | Salem, MA | Charitable | Food, agriculture and nutrition | $15,000 | apps.irs.gov |
| Trees Water & People | Fort Collins, CO | Charitable | Environment | $15,000 | apps.irs.gov |
| Georges River Land Trust | Rockland, ME | Charitable | Environment | $12,000 | apps.irs.gov |
| A Leadership Journey | Providence, RI | Charitable | Youth development | $10,000 | apps.irs.gov |
| Amanda James Incorporated | New York, NY | Charitable | $10,000 | apps.irs.gov | |
| Beverly Hills Police Foundation | Beverly Hills, CA | Charitable | $10,000 | apps.irs.gov | |
| Coffee for Good Inc | Greenwich, CT | Charitable | Employment | $10,000 | apps.irs.gov |
| Endicott College | Beverly, MA | Charitable | Education | $10,000 | apps.irs.gov |
| Irish Repertory Theatre | New York, NY | Charitable | $10,000 | apps.irs.gov | |
| New York Botanical Garden | Bronx, NY | Charitable | Environment | $10,000 | apps.irs.gov |
| Pen America | New York, NY | Charitable | $10,000 | apps.irs.gov | |
| Rhode Island Community Food Bank | Providence, RI | Charitable | $10,000 | apps.irs.gov | |
| Rhode Island Community Foundtion | Providence, RI | Charitable | $10,000 | apps.irs.gov | |
| Stamford Health | Stamford, CT | Charitable | Health care | $10,000 | apps.irs.gov |
| The Public Theater | New York, NY | Charitable | $10,000 | apps.irs.gov | |
| Trustees of Tufts College | Boston, MA | Charitable | $10,000 | apps.irs.gov | |
| Vildwerk Foundation Inc | New York, NY | Charitable | $10,000 | apps.irs.gov | |
| Visual Echo | New York City, NY | Charitable | Arts, culture and humanities | $10,000 | apps.irs.gov |
| World Central Kitchen | Washington, DC | Charitable | International, foreign affairs and national security | $10,000 | apps.irs.gov |
| World Jewish Relief USA | New York, NY | Charitable | Religion-related | $10,000 | apps.irs.gov |
| Girls With Impact | Greenwich, CT | Charitable | Education | $5,000 | apps.irs.gov |
| Israeli-American Council of New England | Newton, MA | Charitable | $5,000 | apps.irs.gov | |
| Jewish Alliance of Greater Rhode Island | Providence, RI | Charitable | Human services | $5,000 | apps.irs.gov |
| Kids in Crisis Inc | Cos Cob, CT | Charitable | $5,000 | apps.irs.gov | |
| Ons Foundation for Clinical Research & Education Inc | Greenwich, CT | Charitable | Health care | $5,000 | apps.irs.gov |
| Save the Bay | Providence, RI | Charitable | Environment | $5,000 | apps.irs.gov |
| Squash Haven | New Haven, CT | Charitable | Human services | $5,000 | apps.irs.gov |
| The Center for Wellbeing-Centro Bienestar Inc | Stamford, CT | Charitable | Mental health and crisis intervention | $5,000 | apps.irs.gov |
| The Fly Initiative | Cranston, RI | Charitable | $5,000 | apps.irs.gov | |
| YWCA Greenwich Connecticut Inc | Greenwich, CT | Charitable | Human services | $5,000 | apps.irs.gov |
Causes funded
From grants whose recipient has a cause.
| Cause | Granted |
|---|---|
| Environment | $2,052,000 |
| Health care | $1,385,000 |
| Education | $1,195,000 |
| Human services | $480,000 |
| Youth development | $470,000 |
| Community improvement and capacity building | $425,000 |
| Public and societal benefit | $415,000 |
| Science and technology | $375,000 |
States funded
| Recipient state | Granted |
|---|---|
| District of Columbia | $2,960,000 |
| Maryland | $2,200,000 |
| New York | $2,055,000 |
| Massachusetts | $2,040,500 |
| California | $1,370,000 |
| Missouri | $987,500 |
| Connecticut | $585,000 |
| Rhode Island | $485,000 |
Also on SpecStream
- Who funds environment in District of Columbia
- Who funds health care in Maryland
- Who funds education in District of Columbia
- Who funds environment in California
- Who funds public and societal benefit in New York
- Who funds youth development in Massachusetts
Updated June 17, 2026. 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.