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Funding search · EIN 263060699 · Los Angeles, CA

The Sondheimer Foundation

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

89
grants reported: $2.5M
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.

What they fund

medical educational

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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.

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Top recipients

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

Americares4 grants · $325,000
World Central Kitchen4 grants · $300,000
Planned Parenthood Los Angeles4 grants · $225,000
Aclu Foundation4 grants · $225,000
Center for Reproductive Rights4 grants · $200,000
International Rescue Committee4 grants · $190,000
Cedars-Sinai4 grants · $140,000
Los Angeles Food Bank4 grants · $125,000
Center Theatre Group4 grants · $120,000
Nrdc4 grants · $120,000

Giving over time

$571,020

2022

$564,150

2023

$600,070

2024

$720,825

2025

Grant history

All 89 reported grants, largest first.

$100,000
Americares · Stamford, CT · 2025
Charitable
$100,000
International Rescue Committee · New York, NY · 2025
Charitable
$75,000
Aclu Foundation · New York, NY · 2025
Charitable
$75,000
Planned Parenthood Los Angeles · Los Angeles, CA · 2025
Charitable
$75,000
World Central Kitchen · Washington, DC · 2025
Charitable
$75,000
Americares · Stamford, CT · 2024
Charitable
$75,000
World Central Kitchen · Washington, DC · 2024
Charitable
$75,000
Americares · Stamford, CT · 2023
Charitable
$75,000
World Central Kitchen · Washington, DC · 2023
Charitable
$75,000
Americares · Stamford, CT · 2022
Charitable
$75,000
World Central Kitchen · Washington, DC · 2022
Charitable
$50,000
Center for Reproductive Rights · New York, NY · 2025
Charitable
$50,000
Los Angeles Food Bank · Los Angeles, CA · 2025
Charitable
$50,000
Aclu Foundation · New York, NY · 2024
Charitable
$50,000
Center for Reproductive Rights · New York, NY · 2024
Charitable
$50,000
Planned Parenthood Los Angeles · Los Angeles, CA · 2024
Charitable
$50,000
Southern Vision Alliance · Durham, NC · 2024
Charitable
$50,000
Aclu Foundation · New York, NY · 2023
Charitable
$50,000
Center for Reproductive Rights · New York, NY · 2023
Charitable
$50,000
Planned Parenthood Los Angeles · Los Angeles, CA · 2023
Charitable
$50,000
Voter Participation Center · Washington, DC · 2023
Charitable
$50,000
Aclu Foundation · New York, NY · 2022
Charitable
$50,000
Center for Reproductive Rights · New York, NY · 2022
Charitable
$50,000
Planned Parenthood Los Angeles · Los Angeles, CA · 2022
Charitable
$50,000
Voter Participation Center · Washington, DC · 2022
Charitable
$35,000
Cedars-Sinai · Los Angeles, CA · 2025
Medical
$35,000
Cedars-Sinai · Los Angeles, CA · 2024
Medical
$35,000
Cedars-Sinai · Los Angeles, CA · 2023
Medical
$35,000
Cedars-Sinai · Los Angeles, CA · 2022
Medical
$30,000
Center Theatre Group · Los Angeles, CA · 2025
Charitable
$30,000
Nrdc · New York, NY · 2025
Charitable
$30,000
Center Theatre Group · Los Angeles, CA · 2024
Charitable
$30,000
International Rescue Committee · New York, NY · 2024
Charitable
$30,000
Nrdc · New York, NY · 2024
Charitable
$30,000
Center Theatre Group · Los Angeles, CA · 2023
Charitable
$30,000
International Rescue Committee · New York, NY · 2023
Charitable
$30,000
Nrdc · New York, NY · 2023
Charitable
$30,000
Center Theatre Group · Los Angeles, CA · 2022
Charitable
$30,000
International Rescue Committee · New York, NY · 2022
Charitable
$30,000
Nrdc · New York, NY · 2022
Charitable
$25,000
Accelerate Change · Boston, MA · 2024
Charitable
$25,000
Focus for Democracy Fund · Washington, DC · 2024
Charitable
$25,000
Los Angeles Food Bank · Los Angeles, CA · 2024
Charitable
$25,000
Los Angeles Food Bank · Los Angeles, CA · 2023
Charitable
$25,000
Los Angeles Food Bank · Los Angeles, CA · 2022
Charitable
$15,000
Los Angeles Philharmonic · Los Angeles, CA · 2025
Charitable
$15,000
Los Angeles Philharmonic · Los Angeles, CA · 2024
Charitable
$15,000
Los Angeles Philharmonic · Los Angeles, CA · 2023
Charitable
$15,000
Los Angeles Philharmonic · Los Angeles, CA · 2022
Charitable
$10,070
Wilshire Boulevard Temple · Los Angeles, CA · 2024
Charitable
$10,000
Children'S Hospital Los Angeles · Los Angeles, CA · 2025
Medical
$10,000
Kcet · Costa Mesa, CA · 2025
Charitable
$10,000
Kcrw · Santa Monica, CA · 2025
Charitable
$10,000
Pbs Socal · Costa Mesa, CA · 2025
Charitable
$10,000
Southern California Public Radio · Pasadena, CA · 2025
Charitable
$10,000
UCLA Foundation · Los Angeles, CA · 2022
Educational
$7,500
Geffen Playhouse · Westwood Village, CA · 2023
Charitable
$7,500
Geffen Playhouse · Westwood Village, CA · 2022
Charitable
$6,400
Wilshire Boulevard Temple · Los Angeles, CA · 2022
Charitable
$5,800
Wilshire Boulevard Temple · Los Angeles, CA · 2025
Charitable
$5,400
Wilshire Boulevard Temple · Los Angeles, CA · 2023
Charitable
$5,250
Children'S Hospital Los Angeles · Los Angeles, CA · 2023
Medical
$5,000
Baby2baby · Los Angeles, CA · 2025
Charitable
$5,000
La Fires · Sacramento, CA · 2025
Charitable
$5,000
Lafd · Los Angeles, CA · 2025
Charitable
$5,000
Naacp Legal Defense Fund · New York, NY · 2025
Charitable
$5,000
Ncjwla · Los Angeles, CA · 2025
Charitable
$5,000
Children'S Hospital Los Angeles · Los Angeles, CA · 2024
Medical
$5,000
Geffen Playhouse · Westwood Village, CA · 2024
Charitable
$5,000
Kcet · Costa Mesa, CA · 2024
Charitable
$5,000
Kcrw · Santa Monica, CA · 2024
Charitable
$5,000
Southern California Public Radio · Pasadena, CA · 2024
Charitable
$5,000
American Friends of Magen David Adom · New York, NY · 2023
Charitable
$5,000
Kcet · Costa Mesa, CA · 2023
Charitable
$5,000
Kcrw · Santa Monica, CA · 2023
Charitable
$5,000
Naacp Ldf · New York, NY · 2023
Charitable
$5,000
Southern California Public Radio · Pasadena, CA · 2023
Charitable
$5,000
UCLA Foundation · Los Angeles, CA · 2023
Educational
$5,000
Children'S Hospital Los Angeles · Los Angeles, CA · 2022
Medical
$5,000
Kcet · Costa Mesa, CA · 2022
Charitable
$5,000
Kcrw · Santa Monica, CA · 2022
Charitable
$5,000
Naacp Ldf · New York, NY · 2022
Charitable
$5,000
Southern California Public Radio · Pasadena, CA · 2022
Charitable
$5,000
The Bail Project · Pasadena, CA · 2022
Charitable
$3,000
Geffen Playhouse · Westwood Village, CA · 2025
Charitable
$2,120
Givebutter Foundation · Wilmington, DE · 2022
Charitable
$1,025
Equity Arc · Cincinnati, OH · 2025
Charitable
$1,000
American Public Media · St Paul, MN · 2025
Charitable
$1,000
Hawaii Community Foundation · Honolulu, HI · 2023
Charitable

Who else funds this kind of work

Same state

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Tides Foundation9,402 grants · $1.86B
UCLA Foundation276 grants · $1.75B

Similar purposes

The Ayco Charitable Foundation15,303 grants · $2.05B
Gs Donor Advised Philanthropy Fund19,135 grants · $6.79B
Dignity Health978 grants · $1.25B

Similar grant size

Ohio Child Care Resource and Referral16,278 grants · $1.08B

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.