Funding search · EIN 222231640 · Palm Beach, FL
Martin & Toni Sosnoff 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.
- 84
- grants reported
- $13.0M
- total given
- 2021–2024
- filing years
- $25,000
- median grant
Based on grants this organization reported to the IRS for tax years 2021–2024. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.
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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.
- Bard College4 grants · $5.1M
- Mount Sinai Health System3 grants · $1.7M
- Icahn School of Medicine at Mount Sinai3 grants · $1.1M
- American Ballet Theatre2 grants · $1.1M
- New York Philharmonic3 grants · $1.0M
- Palm Beach Opera4 grants · $570,100
- The New York Eye & Ear Infirmary of Mount Sinai3 grants · $484,448
- Ndh Foundation1 grant · $400,000
- Boca Raton Regional Hospital Foundation2 grants · $300,000
- Chamber Music Society of Palm Beach4 grants · $209,644
Giving over time
Grant history
All 84 reported grants, largest first.
- $4.3M
Bard College · Annandaleonhudson, NY · 2022
Charitable
- $700,000
Mount Sinai Health System · New York, NY · 2023
Charitable
- $575,000
Mount Sinai Health System · New York, NY · 2024
Charitable
- $575,000
American Ballet Theatre · New York, NY · 2021
Charitable
- $500,000
American Ballet Theatre · New York, NY · 2022
Charitable
- $450,000
Mount Sinai Health System · New York, NY · 2022
Charitable
- $425,000
Icahn School of Medicine at Mount Sinai · New York, NY · 2022
Charitable
- $425,000
Icahn School of Medicine at Mount Sinai · New York, NY · 2021
Charitable
- $400,000
Ndh Foundation · Rhinebeck, NY · 2024
Charitable
- $334,000
New York Philharmonic · New York, NY · 2024
Charitable
- $333,000
New York Philharmonic · New York, NY · 2023
Charitable
- $333,000
New York Philharmonic · New York, NY · 2022
Charitable
- $284,448
The New York Eye & Ear Infirmary of Mount Sinai · New York, NY · 2023
Charitable
- $268,500
Bard College · Annandaleonhudson, NY · 2021
Charitable
- $250,000
Bard College · Annandaleonhudson, NY · 2024
Charitable
- $250,000
Icahn School of Medicine at Mount Sinai · New York, NY · 2024
Charitable
- $250,000
Bard College · Annandaleonhudson, NY · 2023
Charitable
- $200,000
Boca Raton Regional Hospital Foundation · Boca Raton, FL · 2023
Charitable
- $170,000
Palm Beach Opera · West Palm Beach, FL · 2024
Charitable
- $163,400
Palm Beach Opera · West Palm Beach, FL · 2022
Charitable
- $161,700
Palm Beach Opera · West Palm Beach, FL · 2023
Charitable
- $150,000
The New York Eye & Ear Infirmary of Mount Sinai · New York, NY · 2021
Charitable
- $100,000
Boca Raton Regional Hospital Foundation · Boca Raton, FL · 2021
Charitable
- $100,000
Town of Palm Beach United Way · Palm Beach, FL · 2021
Charitable
- $75,000
Chamber Music Society of Palm Beach · West Palm Beach, FL · 2021
Charitable
- $75,000
Palm Beach Opera · West Palm Beach, FL · 2021
Charitable
- $66,600
Palm Beach Dramaworks · West Palm Beach, FL · 2023
Charitable
- $54,644
Chamber Music Society of Palm Beach · West Palm Beach, FL · 2023
Charitable
- $50,000
The New York Eye & Ear Infirmary of Mount Sinai · New York, NY · 2022
Charitable
- $50,000
Miami City Ballet · Miami Beach, FL · 2021
Charitable
- $50,000
Northern Dutchess Hospital Foundation · Rhinebeck, NY · 2021
Charitable
- $45,000
Palm Beach Dramaworks · West Palm Beach, FL · 2022
Charitable
- $40,000
Chamber Music Society of Palm Beach · West Palm Beach, FL · 2024
Charitable
- $40,000
Chamber Music Society of Palm Beach · West Palm Beach, FL · 2022
Charitable
- $38,000
Norton Museum of Art · West Palm Beach, FL · 2024
Charitable
- $35,000
Palm Beach Dramaworks · West Palm Beach, FL · 2021
Charitable
- $34,000
New York Presbyterian · New York, NY · 2022
Charitable
- $33,000
New York Presbyterian · New York, NY · 2021
Charitable
- $30,000
Palm Beach Dramaworks · West Palm Beach, FL · 2024
Charitable
- $25,000
Aspca · New York, NY · 2024
Charitable
- $25,000
Kravis Center for the Performing Arts · West Palm Beach, FL · 2024
Charitable
- $25,000
Miami City Ballet · Miami Beach, FL · 2024
Charitable
- $25,000
Kravis Center for the Performing Arts · West Palm Beach, FL · 2023
Charitable
- $25,000
Miami City Ballet · Miami Beach, FL · 2023
Charitable
- $25,000
Town of Palm Beach United Way · Palm Beach, FL · 2023
Charitable
- $25,000
Kravis Center for the Performing Arts · West Palm Beach, FL · 2022
Charitable
- $25,000
Town of Palm Beach United Way · Palm Beach, FL · 2022
Charitable
- $25,000
Kravis Center for the Performing Arts · West Palm Beach, FL · 2021
Charitable
- $20,000
The Eye Cancer Foundation · New York, NY · 2024
Charitable
- $20,000
The Elf Cancer Foundation · Los Angeles, CA · 2023
Charitable
- $20,000
The Eye Cancer Foundation · New York, NY · 2023
Charitable
- $20,000
The Eye Cancer Foundation · New York, NY · 2021
Charitable
- $15,000
Hofstra University · Hempstead, NY · 2024
Charitable
- $15,000
Hofstra University · Hempstead, NY · 2023
Charitable
- $15,000
Hofstra University · Hempstead, NY · 2022
Charitable
- $15,000
Hofstra University · Hempstead, NY · 2021
Charitable
- $14,436
Aspca · New York, NY · 2023
Charitable
- $13,500
Norton Museum of Art · West Palm Beach, FL · 2023
Charitable
- $13,250
Norton Museum of Art · West Palm Beach, FL · 2022
Charitable
- $13,200
Norton Museum of Art · West Palm Beach, FL · 2021
Charitable
- $10,000
Alzheimer Drug Discoery Foundation · New York, NY · 2024
Charitable
- $10,000
Alzheimer Drug Discoery Foundation · New York, NY · 2022
Charitable
- $10,000
Luzerne Music Center · Lake Luzerne, NY · 2022
Charitable
- $10,000
Alzheimer Drug Discoery Foundation · New York, NY · 2021
Charitable
- $10,000
Luzerne Music Center · Lake Luzerne, NY · 2021
Charitable
- $7,600
Alzheimer Drug Discoery Foundation · New York, NY · 2023
Charitable
- $7,000
Saint Ann'S School · Brooklyn, NY · 2024
Charitable
- $7,000
Saint Ann'S School · Brooklyn, NY · 2023
Charitable
- $7,000
Saint Ann'S School · Brooklyn, NY · 2022
Charitable
- $5,000
Boscobel Restoration · Garrison, NY · 2021
Charitable
- $3,000
The Perlman Music Program · New York, NY · 2021
Charitable
- $2,500
Palm Beach and Treasure Coast · Riviera Beach, FL · 2023
Charitable
- $1,500
Hopper Heritage Foundation · Madison, NC · 2024
Charitable
- $1,500
Georgetown Day School · Washington, DC · 2023
Charitable
- $1,500
Georgetown Day School · Washington, DC · 2022
Charitable
- $1,100
Georgetown Day School · Washington, DC · 2021
Charitable
- $1,000
Alzheimer'S Association · New York, NY · 2023
Charitable
- $1,000
Alzheimer'S Association · New York, NY · 2022
Charitable
- $1,000
United Hospital Fund · New York, NY · 2022
Charitable
- $1,000
Friends of New Bolton Center · Kennett Square, PA · 2021
Charitable
- $500
Extraordinary Charities · West Palm Beach, FL · 2023
Charitable
- $500
Bcrf · New York, NY · 2022
Charitable
- $350
Extraordinary Charities · West Palm Beach, FL · 2022
Charitable
- $150
Dutchess County Volunteer Firefighters Association · Poughkeepsie, NY · 2024
Charitable
Who else funds this kind of work
Same state
- Dechomai Foundation224 grants · $1.36B
- Ncf Charitable Trust43 grants · $1.44B
- Baptist Health South Florida510 grants · $1.14B
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 oneSource: 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.

