Funding search · EIN 136015951 · Madison, CT

Leon Lowenstein Foundation

Name: Leon Lowenstein Foundation grants, 2022–2025
Creator: PaperOrbit
License: https://www.irs.gov/charities-non-profits/exempt-organization-public-disclosure-and-availability-requirements

A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.

376
grants reported: $28.8M
total given: 2022–2025
filing years: $25,000
median grant

Based on grants this organization reported to the IRS for tax years 2022–2025. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.

Full IRS filings ↗How this is built Report an error

Funding pattern

What this funder pays for, at what size, and how to position adjacent work. Read from their filings, with every number checked against the record.

Top recipients

Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.

Johns Hopkins University4 grants · $2.4M
Mobile Health Care Association4 grants · $2.3M
National Association of Community Health Centers4 grants · $1.4M
The Family Van - a Program of Harvard Medical Scho2 grants · $1.2M
Coalition for Green Capital4 grants · $700,000
Inclusiv3 grants · $565,000
President and Fellows of Harvard College1 grant · $537,500
Solar United Neighbors2 grants · $515,000
Camp Fire National Headquarters2 grants · $500,000
Citybridge Education2 grants · $500,000

Giving over time

$7.5M

2022

$6.9M

2023

$6.5M

2024

$8.0M

2025

Grant history

The 100 largest of 376 grants.

$980,000
Mobile Health Care Association · St Louis, MO · 2022
Charitable
$700,000
Johns Hopkins University · Baltimore, MD · 2025
Charitable
$700,000
Johns Hopkins University · Baltimore, MD · 2024
Charitable
$700,000
Johns Hopkins University · Baltimore, MD · 2023
Charitable
$600,000
The Family Van - a Program of Harvard Medical Scho · Boston, MA · 2022
Charitable
$562,500
Mobile Health Care Association · St Louis, MO · 2023
Charitable
$562,500
The Family Van - a Program of Harvard Medical Scho · Boston, MA · 2023
Charitable
$537,500
President and Fellows of Harvard College · Boston, MA · 2024
Charitable
$500,000
National Association of Community Health Centers · Bethesda, MD · 2025
Charitable
$450,000
Mobile Health Care Association · St Louis, MO · 2025
Charitable
$400,000
National Association of Community Health Centers · Bethesda, MD · 2023
Charitable
$300,000
Cityschools Collaborative · Washington, DC · 2025
Charitable
$300,000
The Family Van - a Program of Harvard Medical School · Boston, MA · 2025
Charitable
$300,000
National Association of Community Health Centers · Bethesda, MD · 2024
Charitable
$300,000
Natural Resources Defense Council (Nrdc) · New York, NY · 2022
Charitable
$287,500
Mobile Health Care Association · St Louis, MO · 2024
Charitable
$265,000
Solar United Neighbors · Washington, DC · 2022
Charitable
$250,000
Amalgamated Foundation · Washington, DC · 2025
Charitable
$250,000
Climatehaven · New Haven, CT · 2025
Charitable
$250,000
Coalition for Green Capital · Washington, DC · 2025
Charitable
$250,000
Groundswell · Washington, DC · 2025
Charitable
$250,000
Invest in Our Future · New York, NY · 2025
Charitable
$250,000
Camp Fire National Headquarters · Columbia, MO · 2024
Charitable
$250,000
City Tutor Dc · Washington, DC · 2024
Charitable
$250,000
Community Health Center Capital Fund · Boston, MA · 2024
Charitable
$250,000
National Mentoring Partnership · Boston, MA · 2024
Charitable
$250,000
Camp Fire National Headquarters · Columbia, MO · 2023
Charitable
$250,000
Capital Good Fund · Providence, RI · 2023
Charitable
$250,000
Citybridge Education · Washington, DC · 2023
Charitable
$250,000
Essential Hospitals Institute · Washington, DC · 2023
Charitable
$250,000
Feeding America · Chicago, IL · 2023
Charitable
$250,000
Puerto Rico Green Energy Trust · San Juan, PR · 2023
Charitable
$250,000
Rocky Mountain Institute · Basalt, CO · 2023
Charitable
$250,000
Solar United Neighbors · Washington, DC · 2023
Charitable
$250,000
Citybridge Education · Washington, DC · 2022
Charitable
$250,000
Health Resources in Action · Boston, MA · 2022
Charitable
$250,000
Johns Hopkins University · Baltimore, MD · 2022
Charitable
$240,000
Clean Energy Group · Montpelier, VT · 2024
Charitable
$240,000
Grid Alternatives · Oakland, CA · 2024
Charitable
$240,000
Rocky Mountain Institute · Basalt, CO · 2022
Charitable
$225,000
Essential Hospitals Institute · Washington, DC · 2025
Charitable
$225,000
Learn To Be Foundation · West Hollywood, CA · 2025
Charitable
$225,000
Capital Good Fund · Providence, RI · 2024
Charitable
$225,000
Center On Health Insurance Reforms Georgetown University · Washington, DC · 2024
Charitable
$225,000
Scan Group · Long Beach, CA · 2024
Charitable
$225,000
Mighty Writers · Philadelphia, PA · 2023
Charitable
$225,000
National Mentoring Partnership · Boston, MA · 2023
Charitable
$225,000
Scan Group · Long Beach, CA · 2023
Charitable
$220,000
Windward Fund · Washington, DC · 2024
Charitable
$220,000
National Association of Community Health Centers · Bethesda, MD · 2022
Charitable
$215,000
Inclusiv · New York, NY · 2024
Charitable
$200,000
Arizona State University Foundation · Tempe, AZ · 2025
Charitable
$200,000
City Year · Boston, MA · 2025
Charitable
$200,000
Edututorva · Mc Lean, VA · 2025
Charitable
$200,000
Inclusiv · New York, NY · 2025
Charitable
$200,000
Lawyers for Good Government · Washington, DC · 2025
Charitable
$200,000
Coalition for Green Capital · Washington, DC · 2022
Charitable
$200,000
School-Based Health Alliance · Washington, DC · 2022
Charitable
$195,000
Literacy Trust · New York, NY · 2022
Charitable
$190,000
Urban Sustainability Directors Network · Port Washington, WI · 2023
Charitable
$190,000
Mighty Writers · Philadelphia, PA · 2022
Charitable
$180,000
Schoolhouse Connection · Washington, DC · 2024
Charitable
$175,000
Education Evolving · St Paul, MN · 2022
Charitable
$175,000
Leap Innovations · Chicago, IL · 2022
Charitable
$175,000
Partnership for Los Angeles Schools · Los Angeles, CA · 2022
Charitable
$175,000
Powermylearning · New York, NY · 2022
Charitable
$170,000
The Neurodiversity Alliance · New York, NY · 2024
Charitable
$165,000
Climate Access Fund Corporation · Baltimore, MD · 2022
Charitable
$150,000
Children'S Health Fund · New York, NY · 2025
Charitable
$150,000
Grid Alternatives · Oakland, CA · 2025
Charitable
$150,000
Rare · Arlington, VA · 2025
Charitable
$150,000
Schoolhouse Connection · Washington, DC · 2025
Charitable
$150,000
Undauntedk12 · San Francisco, CA · 2025
Charitable
$150,000
Environmental Defense Fund Incorporated · New York, NY · 2024
Charitable
$150,000
Achieve Miami · Coral Gables, FL · 2022
Charitable
$150,000
Eye To Eye · New York, NY · 2022
Charitable
$150,000
Inclusiv · New York, NY · 2022
Charitable
$150,000
Tntp · New York, NY · 2022
Charitable
$135,000
Knowledgeworks Foundation · Cincinnati, OH · 2022
Charitable
$125,000
Feeding America · Chicago, IL · 2025
Charitable
$125,000
Sustainenergyfinance · Salt Lake City, UT · 2025
Charitable
$125,000
The Neurodiversity Alliance · New York, NY · 2025
Charitable
$125,000
Wayne State University · Detroit, MI · 2025
Charitable
$125,000
Coalition for Green Capital · Washington, DC · 2024
Charitable
$125,000
A Healthier Democracylink Health · Boston, MA · 2023
Charitable
$125,000
Coalition for Green Capital · Washington, DC · 2023
Charitable
$125,000
Teachers Supporting Teachers · Chicago, IL · 2022
Charitable
$123,000
Urban Sustainability Directors Network · Port Washington, WI · 2022
Charitable
$100,000
Peer Power Foundation · Memphis, TN · 2025
Charitable
$100,000
School-Based Health Alliance · Washington, DC · 2025
Charitable
$100,000
Arizona State University Foundation · Tempe, AZ · 2024
Charitable
$100,000
School-Based Health Alliance · Washington, DC · 2024
Charitable
$100,000
Interstate Renewable Energy Council · Albany, NY · 2023
Charitable
$100,000
Milken Institute · Santa Monica, CA · 2023
Charitable
$100,000
Empowered · Washington, DC · 2022
Charitable
$80,000
Eye To Eye · New York, NY · 2023
Charitable
$75,000
Sacred Heart University Horizons · Fairfield, CT · 2025
Charitable
$75,000
Throughline Learning · Providence, RI · 2025
Charitable
$75,000
Boys & Girls Club of Greenwich · Greenwich, CT · 2024
Charitable
$75,000
Throughline Learning · Providence, RI · 2024
Charitable

View all 376 grants →

Who else funds this kind of work

Same state

Yale University1,336 grants · $494.6M
Steven & Alexandra Cohen Foundation581 grants · $363.4M
Dalio Family Fund502 grants · $220.1M

Similar grant size

The Ayco Charitable Foundation15,303 grants · $2.05B
Ohio Child Care Resource and Referral16,278 grants · $1.08B
Gs Donor Advised Philanthropy Fund19,135 grants · $6.79B

Grants already paid are the record; PaperOrbit reads your paper and finds the funders whose record matches it — then explains why.

Search funders like this one

Source: IRS Form 990-PF, Part XV, as filed by the foundation. These are grants already paid — a record of what this funder backs, not an open call.