Leon Lowenstein Foundation Inc
Invitation OnlyMadison, Connecticut · EIN 13-6015951 · Private foundation
Grants paid (2025)$8M
Organizations funded103
Typical grant$25,000
Total assets$218.5M
Half of its grants to organizations were between $10,000 and $125,000.
From the return
How to apply
On its return for tax year 2025 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
90% of grants went outside Connecticut.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Johns Hopkins University | Baltimore, MD | Charitable | $700,000 |
| National Association of Community Health Centers | Bethesda, MD | Charitable | $500,000 |
| Mobile Health Care Association | St Louis, MO | Charitable | $450,000 |
| CitySchools Collaborative | Washington, DC | Charitable | $300,000 |
| The Family Van - A Program of Harvard Medical School | Boston, MA | Charitable | $300,000 |
| Amalgamated Foundation | Washington, DC | Charitable | $250,000 |
| ClimateHaven Inc | New Haven, CT | Charitable | $250,000 |
| Coalition for Green Capital | Washington, DC | Charitable | $250,000 |
| Groundswell | Washington, DC | Charitable | $250,000 |
| Invest in Our Future | New York, NY | Charitable | $250,000 |
| Essential Hospitals Institute | Washington, DC | Charitable | $225,000 |
| Learn to Be Foundation | West Hollywood, CA | Charitable | $225,000 |
| Arizona State University Foundation | Tempe, AZ | Charitable | $200,000 |
| City Year | Boston, MA | Charitable | $200,000 |
| EduTutorVA | Mc Lean, VA | Charitable | $200,000 |
| Inclusiv | New York, NY | Charitable | $200,000 |
| Lawyers for Good Government Inc | Washington, DC | Charitable | $200,000 |
| Children's Health Fund | New York, NY | Charitable | $150,000 |
| Grid Alternatives | Oakland, CA | Charitable | $150,000 |
| Rare Inc | Arlington, VA | Charitable | $150,000 |
| Schoolhouse Connection | Washington, DC | Charitable | $150,000 |
| UndauntedK12 | San Francisco, CA | Charitable | $150,000 |
| Feeding America | Chicago, IL | Charitable | $125,000 |
| SustainEnergyFinance | Salt Lake City, UT | Charitable | $125,000 |
| The Neurodiversity Alliance | New York, NY | Charitable | $125,000 |
| Wayne State University | Detroit, MI | Charitable | $125,000 |
| Peer Power Foundation | Memphis, TN | Charitable | $100,000 |
| School-Based Health Alliance | Washington, DC | Charitable | $100,000 |
| Sacred Heart University Horizons | Fairfield, CT | Charitable | $75,000 |
| Throughline Learning | Providence, RI | Charitable | $75,000 |
| Boys & Girls Club of Greenwich-For Capital Campaign | Greenwich, CT | Charitable | $50,000 |
| Epic Theatre Center Inc (dba Epic Theatre Ensemble) | New York, NY | Charitable | $50,000 |
| National Association of Rural Health Clinics | Fremont, MI | Charitable | $50,000 |
| National Rural Health Association | Washington, DC | Charitable | $50,000 |
| Institute for Nonprofit Practice | Needham, MA | Charitable | $40,000 |
| Rachel's Network Inc | New York, NY | Charitable | $35,000 |
| The Poetry Society of America | Brooklyn, NY | Charitable | $35,000 |
| World Central Kitchen | Washington, DC | Charitable | $35,000 |
| Boys & Girls Club of Greenwich | Greenwich, CT | Charitable | $30,000 |
| Get Lit - Words Ignite Inc | Los Angeles, CA | Charitable | $30,000 |
| International Institute of New England | Boston, MA | Charitable | $30,000 |
| Multiplier | San Francisco, CA | Charitable | $30,000 |
| The Stronghold | Portland, OR | Charitable | $30,000 |
| Trustees of Tufts College | Boston, MA | Charitable | $30,000 |
| Venice Family Clinic | Venice, CA | Charitable | $30,000 |
| Beth Israel Deaconess Medical Center | Boston, MA | Charitable | $25,000 |
| Cedars Sinai Medical Center | Los Angeles, CA | Charitable | $25,000 |
| Conservation International | Arlington, VA | Charitable | $25,000 |
| Hurricane Island Foundation | Rockland, ME | Charitable | $25,000 |
| Jewish Community Relations Council of Greater Boston Inc | Boston, MA | Charitable | $25,000 |
| Los Angeles Dodgers Foundation | Los Angeles, CA | Charitable | $25,000 |
| Los Angeles Fire Department Foundation | Los Angeles, CA | Charitable | $25,000 |
| New England Friends of the March of the Living | Sharon, MA | Charitable | $25,000 |
| North Suburban JCC | Peabody, MA | Charitable | $25,000 |
| Riverside Park Conservancy | New York, NY | Charitable | $25,000 |
| Soul | New Orleans, LA | Charitable | $25,000 |
| The Jewish Community Center in Manhattan | New York, NY | Charitable | $25,000 |
| Urban Acheivers SAFE Schools | Boston, MA | Charitable | $25,000 |
| USC Marshall | Los Angeles, CA | Charitable | $25,000 |
| Wallis Annenberg Center for the Performing Arts | Beverly Hills, CA | Charitable | $25,000 |
Showing the 60 largest of 103 grants to organizations.
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $7,960,000 | 103 |
| 2024 | $6,495,000 | 86 |
| 2023 | $6,920,000 | 86 |
Sources
- IRS Form 990-PF, tax year 2025, filed Jun 17, 2026 - IRS e-file batch, object ID 202611689349100311
- IRS Tax Exempt Organization Search for EIN 13-6015951
- 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.