Funding search · EIN 133661341 · New York, NY

The Derfner Foundation

Name: The Derfner Foundation grants, 2022–2024
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.

180
grants reported: $21.0M
total given: 2022–2024
filing years: $30,000
median grant

Based on grants this organization reported to the IRS for tax years 2022–2024. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.

What they fund

unretricted

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.

Mount Sinai Dept of Surgery3 grants · $3.5M
Hebrew Home for the Aged3 grants · $3.0M
Hospital for Special Surgery3 grants · $3.0M
Southampton Hospital Foundation2 grants · $1.1M
Mirman School2 grants · $1.0M
Green 4 Kids2 grants · $1.0M
Baby2baby3 grants · $750,000
Kessler Foundation3 grants · $750,000
Southhampton Hospital Foundation1 grant · $500,000
Metropolitan Council On Jewish Poverty3 grants · $300,000

Giving over time

$6.6M

2022

$7.3M

2023

$7.1M

2024

Grant history

The 100 largest of 180 grants.

$1.5M
Mount Sinai Dept of Surgery · New York, NY · 2024
Unrestricted use
$1.0M
Hebrew Home for the Aged · Riverdale, NY · 2024
Unrestricted use
$1.0M
Hospital for Special Surgery · New York, NY · 2024
Unrestricted use
$1.0M
Hebrew Home for the Aged · Riverdale, NY · 2023
Unrestricted use
$1.0M
Hospital for Special Surgery · New York, NY · 2023
Unrestricted use
$1.0M
Mount Sinai Dept of Surgery · New York, NY · 2023
Unrestricted use
$1.0M
Hebrew Home for the Aged · Riverdale, NY · 2022
Unrestricted use
$1.0M
Hospital for Special Surgery · New York, NY · 2022
Unrestricted use
$1.0M
Mount Sinai Dept of Surgery · New York, NY · 2022
Unrestricted use
$600,000
Southampton Hospital Foundation · Southampton, NY · 2023
Unretricted use
$550,000
Southampton Hospital Foundation · Southampton, NY · 2024
Unretricted use
$500,000
Green 4 Kids · North Hollywood, CA · 2024
Unrestricted use
$500,000
Green 4 Kids · North Hollywood, CA · 2023
Unrestricted use
$500,000
Mirman School · Los Angeles, CA · 2023
Unrestricted use
$500,000
Mirman School · Los Angeles, CA · 2022
Unrestricted use
$500,000
Southhampton Hospital Foundation · Southhampton, NY · 2022
Unrestricted use
$250,000
Baby2baby · Los Angeles, CA · 2024
Unrestricted use
$250,000
Kessler Foundation · East Hanover, NJ · 2024
Unrestricted use
$250,000
Baby2baby · Los Angeles, CA · 2023
Unrestricted use
$250,000
Kessler Foundation · East Hanover, NJ · 2023
Unrestricted use
$250,000
Baby2baby · Los Angeles, CA · 2022
Unrestricted use
$250,000
Kessler Foundation · East Hanover, NJ · 2022
Unrestricted use
$200,000
Sharewell · Santa Monica, CA · 2022
Unrestricted use
$150,000
Red Autismo Foundation · San Diego, CA · 2024
Unrestricted use
$150,000
The Giving Back Fund · Boston, MA · 2023
Unrestricted use
$100,000
American Museum of Natural History · New York, NY · 2024
Unrestricted use
$100,000
Basser Research Center for Brca · Philadelphia, PA · 2024
Unrestricted use
$100,000
Foundation for Gender Specific Medicine · New York, NY · 2024
Unrestricted use
$100,000
Metropolitan Council On Jewish Poverty · New York, NY · 2024
Unrestricted use
$100,000
Museum of Jewish Heritage · New York, NY · 2024
Unrestricted use
$100,000
Uja Federation of Ny · New York, NY · 2024
Unrestricted use
$100,000
American Museum of Natural History · New York, NY · 2023
Unrestricted use
$100,000
Basser Research Center for Brca · Philadelphia, PA · 2023
Unrestricted use
$100,000
Foundation for Gender Specific Medicine · New York, NY · 2023
Unrestricted use
$100,000
Inspire Mexico Foundation · Newport Beach, CA · 2023
Unrestricted use
$100,000
Metropolitan Council On Jewish Poverty · New York, NY · 2023
Unrestricted use
$100,000
Museum of Jewish Heritage · New York, NY · 2023
Unrestricted use
$100,000
Sharewell · Santa Monica, CA · 2023
Unrestricted use
$100,000
Uja Federation of Ny · New York, NY · 2023
Unrestricted use
$100,000
American Museum of Natural History · New York, NY · 2022
Unrestricted use
$100,000
Basser Research Center for Brca · Philadelphia, PA · 2022
Unrestricted use
$100,000
Foundation for Gender Specific Medicine · New York, NY · 2022
Unrestricted use
$100,000
Metropolitan Council On Jewish Poverty · New York, NY · 2022
Unrestricted use
$100,000
Uja Federation of Ny · New York, NY · 2022
Unrestricted use
$75,000
Children'S Hospital Los Angeles · Los Angeles, CA · 2024
Unrestricted use
$75,000
Multiple Myeloma Research Fdn · Norwalk, CT · 2024
Unrestricted use
$75,000
Children'S Hospital Los Angeles · Los Angeles, CA · 2023
Unrestricted use
$75,000
Jewish Center of the Hamptons · East Hampton, NY · 2023
Unrestricted use
$75,000
Multiple Myeloma Research Fdn · Norwalk, CT · 2023
Unrestricted use
$75,000
Children'S Hospital Los Angeles · Los Angeles, CA · 2022
Unrestricted use
$75,000
Jewish Center of the Hamptons · East Hampton, NY · 2022
Unrestricted use
$75,000
Multiple Myeloma Research Fdn · Norwalk, CT · 2022
Unrestricted use
$50,000
92nd Street Lexington Ave Y · New York, NY · 2024
Unrestricted use
$50,000
Bicol Clinic Foundation · Boca Raton, FL · 2024
Unrestricted use
$50,000
Brentwood School · Los Angeles, CA · 2024
Unrestricted use
$50,000
Crohn'S Colitis Foundation of America · New York, NY · 2024
Unrestricted use
$50,000
Hearing Health Foundation · New York, NY · 2024
Unrestricted use
$50,000
Jewish Center of the Hamptons · East Hampton, NY · 2024
Unrestricted use
$50,000
Laurence School · Van Nuys, CA · 2024
Unrestricted use
$50,000
Memorial Sloan Kettering Cancer Center · New York, NY · 2024
Unrestricted use
$50,000
Nica Photo · Norwalk, CT · 2024
Unrestricted use
$50,000
Riverdale Ymhaywha · Riverdale, NY · 2024
Unrestricted use
$50,000
Travis Mills Foundation · Hallowell, ME · 2024
Unrestricted use
$50,000
Wayfinder Family Services · Los Angeles, CA · 2024
Unrestricted use
$50,000
92nd Street Lexington Ave Y · New York, NY · 2023
Unrestricted use
$50,000
Bicol Clinic Foundation · Boca Raton, FL · 2023
Unrestricted use
$50,000
Crohn'S Colitis Foundation of America · New York, NY · 2023
Unrestricted use
$50,000
Hearing Health Foundation · New York, NY · 2023
Unrestricted use
$50,000
Laurence School · Van Nuys, CA · 2023
Unrestricted use
$50,000
Nica Photo · Norwalk, CT · 2023
Unrestricted use
$50,000
Riverdale Ymhaywha · Riverdale, NY · 2023
Unrestricted use
$50,000
Travis Mills Foundation · Hallowell, ME · 2023
Unrestricted use
$50,000
Wayfinder Family Services · Los Angeles, CA · 2023
Unrestricted use
$50,000
92nd Street Lexington Ave Y · New York, NY · 2022
Unrestricted use
$50,000
Bicol Clinic Foundation · Boca Raton, FL · 2022
Unrestricted use
$50,000
Caringkind · New York, NY · 2022
Unretricted use
$50,000
Crohn'S Colitis Foundation of America · New York, NY · 2022
Unrestricted use
$50,000
Hearing Health Foundation · New York, NY · 2022
Unrestricted use
$50,000
Laurence School · Van Nuys, CA · 2022
Unrestricted use
$50,000
Memorial Sloan Kettering Cancer Center · New York, NY · 2022
Unrestricted use
$50,000
Museum of Jewish Heritage · New York, NY · 2022
Unrestricted use
$50,000
Nica Photo · Norwalk, CT · 2022
Unrestricted use
$50,000
Ny Foundation for the Arts · New York, NY · 2022
Unrestricted use
$50,000
Riverdale Ymhaywha · Riverdale, NY · 2022
Unrestricted use
$50,000
Wayfinder Family Services · Los Angeles, CA · 2022
Unrestricted use
$45,000
The American Hospital of Paris Foundation · New York, NY · 2024
Unrestricted use
$30,000
Children'S Tumor Foundation · New York, NY · 2024
Unrestricted use
$30,000
City Meals On Wheels · New York, NY · 2024
Unrestricted use
$30,000
Mazon a Jewish Response for Hunger · Los Angeles, CA · 2024
Unrestricted use
$30,000
Children'S Tumor Foundation · New York, NY · 2023
Unrestricted use
$30,000
Mazon a Jewish Response for Hunger · Los Angeles, CA · 2023
Unrestricted use
$30,000
Children'S Tumor Foundation · New York, NY · 2022
Unrestricted use
$30,000
Mazon a Jewish Response for Hunger · Los Angeles, CA · 2022
Unrestricted use
$25,000
Ahrc Nyc Foundation · New York, NY · 2024
Unrestricted use
$25,000
Ideal School of Manhattan · New York, NY · 2024
Unrestricted use
$25,000
Institute for Educational Achievement · New Milford, NJ · 2024
Unrestricted use
$25,000
International Community Foundation · National City, CA · 2024
Unrestricted use
$25,000
Melanoma Research Alliance · Washington, DC · 2024
Unrestricted use
$25,000
Save the Children · Fairfield, CT · 2024
Unrestricted use
$25,000
Stockbridge Bowl Assn · Stockbridge, MA · 2024
Unrestricted use

View all 180 grants →

Who else funds this kind of work

Same state

The Bloomberg Family Foundation815 grants · $3.00B
Pfizer Patient Assistance Foundation134 grants · $5.49B

Similar purposes

Edelman Foundation155 grants · $564,000
The Negaunee Foundation326 grants · $96.2M
James E and Betty J74 grants · $945,372

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.