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 20212024. 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

$2.0M
2021
$6.5M
2022
$2.2M
2023
$2.2M
2024

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

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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.