Martin & Toni Sosnoff Foundation

Foundation · Grantmaker PALM BEACH, FL EIN: 22-2231640

The Martin & Toni Sosnoff Foundation is a private family foundation based in Palm Beach, Florida. Established in 1978 in New York, the foundation operates as a 501(c)(3) tax-exempt organization and has been tax-exempt since October 1993.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$5.0M

-26.7% YoY

Annual Giving

$2.2M

-65.7% YoY

Grant Count

22

+0.0% YoY

Avg Grant Size

$101K

-65.7% YoY

Under IRS private-foundation payout rules, Martin & Toni Sosnoff Foundation reported a distributable amount of $190K for 2024 — the minimum it must pay out in qualifying distributions.

Research compiled by Grantable AI from public sources. Last updated April 2026.

Mission & Focus Areas

The foundation gives primarily for the performing arts, as well as for medical school education and hospital support. Specific funding interests include:

Arts and Culture

  • Performing arts
  • Dance and ballet

Education

  • Graduate and professional education
  • Medical education

Health

  • In-patient medical care
  • Hospital care

Grantmaking

The foundation does not appear to have published application guidelines or open grant opportunities in the available sources.

Grant Range

$350 to $4,350,000

Average Grant

$350 to $4,350,000

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Geographic Focus

Where this funder awards grants

The foundation funds initiatives across multiple U.S. states and regions, with documented activity in:

  • New York
  • Florida
  • Pennsylvania
  • District of Columbia

Specific cities where grants have been awarded include Annandale-on-Hudson, Boca Raton, Brooklyn, Rhinebeck, and Palm Beach.

Grant Distribution by State

6states

Cities

AnnandaleonhudsonBoca RatonBrooklynGarrisonHempsteadKennett SquareLake LuzerneLincolnLos AngelesMiami BeachNew YorkPalm BeachRhinebeckRiviera BeachWashingtonWest Palm Beach

Financial History

Multi-year comparison from IRS filings

Most Recent Financial Data (2023)

  • Total assets: $6,864,234
  • Total revenue: $2,178,920
  • Total expenses: $6,631,972
  • Total liabilities: $0

Alternative Year Data (2024)

  • Total assets: $5,032,316
  • Total giving: $2,228,428

The foundation's expenses exceed its annual revenue, indicating it draws from accumulated assets to support its grantmaking activities.

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$3M$6M$9M$12M20202021202220232024
Metric202420232022
Total Assets$5,032,316$6,864,234$10,829,342
Revenue$492,949$2,178,920$603,047
Expenses$2,268,970$6,631,972$2,119,768
Qualifying Distributions$2,228,428$6,536,129$2,052,253
Net Investment Income$491,519$494,479$535,533
Distributable Amount$189,704$404,840$571,132

Giving Over Time

Total grant dollars and number of grants per year

$0$2M$3M$5M$7M28 grants202020 grants202122 grants202222 grants202322 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

MOUNT SINAI HEALTH SYSTEM$700KNEW YORK PHILHARMONIC$333KTHE NEW YORK EYE & EAR I…$284KBARD COLLEGE$250KBOCA RATON REGIONAL HOSP…$200KPALM BEACH OPERA$162KPALM BEACH DRAMAWORKS$67KCHAMBER MUSIC SOCIETY OF…$55KKRAVIS CENTER FOR THE PE…$25KMIAMI CITY BALLET$25K

Grant Size Distribution

114 grants across all recorded years

69<$50K12$50–100K13$100–250K14$250–500K5$500K–1M1$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest include Mount Sinai Health System ($700,000), New York Philharmonic ($333,000), The New York Eye & Ear Infirmary of Mount Sinai ($284,448).

RecipientPurposeAmount
ALZHEIMER DRUG DISCOERY FOUNDATION NEW YORK, NYCHARITABLE$7,600
ALZHEIMER'S ASSOCIATION NEW YORK, NYCHARITABLE$1,000
BARD COLLEGE ANNANDALEONHUDSON, NYCHARITABLE$250,000
BOCA RATON REGIONAL HOSPITAL FOUNDATION BOCA RATON, FLCHARITABLE$200,000
CHAMBER MUSIC SOCIETY OF PALM BEACH WEST PALM BEACH, FLCHARITABLE$54,644
EXTRAORDINARY CHARITIES WEST PALM BEACH, FLCHARITABLE$500
GEORGETOWN DAY SCHOOL WASHINGTON, DCCHARITABLE$1,500
HOFSTRA UNIVERSITY HEMPSTEAD, NYCHARITABLE$15,000
KRAVIS CENTER FOR THE PERFORMING ARTS WEST PALM BEACH, FLCHARITABLE$25,000
MIAMI CITY BALLET MIAMI BEACH, FLCHARITABLE$25,000

Leadership & Key People

Leadership team and compensation from IRS filings

The foundation is managed by trustees:

  • Martin Sosnoff — Trustee (serves without compensation)
  • Toni Sosnoff — Trustee (serves without compensation)

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
MARTIN SOSNOFFTRUSTEE1
TONI SOSNOFFTRUSTEE1

Recent News & Activity

Recent developments and announcements

The foundation has made significant contributions to healthcare institutions and educational programs:

Supported Northern Dutchess Hospital's $10 million capital campaign with a $2 million gift

NDH FOUNDATION LAUNCHES $10 MILLION CAPITAL CAMPAIGN WITH $2 MILLION GIFT

Made a $1 million gift to Boca Raton Regional Hospital

Martin and Toni Sosnoff Make $1 Million Gift to Boca Raton Regional Hospital

Provided funding to SOS Outreach for outdoor-based mentorship program scholarships

SOS Outreach to award $45,000 in scholarships for its outdoor-based mentorship

Subject Areas

Focus areas based on grantmaking activity

Frequently Asked Questions

What does Martin & Toni Sosnoff Foundation fund?

The foundation gives primarily for the performing arts, as well as for medical school education and hospital support. Specific funding interests include: **Arts and Culture** • Performing arts • Dance and ballet **Education** • Graduate and professional education • Medical education **Health** • In-patient medical care • Hospital care

How do I apply for a grant from Martin & Toni Sosnoff Foundation?

**Financial Capacity** • Total assets: $5,032,316 to $6,864,234 (depending on filing year) • Total annual giving: $2,178,920 to $2,228,428 • Average grant size: $350 to $4,350,000 • Typical awards range from $1,000 to larger institutional gifts **Recent Major Gifts** • $2 million gift to Northern Dutchess Hospital Foundation (2014) — described as the single largest gift in the hospital's history • $1 million gift to Boca Raton Regional Hospital The foundation does not appear to have published a…

Where does Martin & Toni Sosnoff Foundation make grants?

The foundation funds initiatives across multiple U.S. states and regions, with documented activity in: • New York • Florida • Pennsylvania • District of Columbia Specific cities where grants have been awarded include Annandale-on-Hudson, Boca Raton, Brooklyn, Rhinebeck, and Palm Beach.

What size grants does Martin & Toni Sosnoff Foundation award?

In 2024, Martin & Toni Sosnoff Foundation awarded 22 grants totaling $2.2M — an average of about $101K per grant, based on its IRS Form 990 filings.

How much is Martin & Toni Sosnoff Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, Martin & Toni Sosnoff Foundation reported a distributable amount of $190K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is Martin & Toni Sosnoff Foundation's EIN?

Martin & Toni Sosnoff Foundation's EIN (Employer Identification Number) is 22-2231640. IRS Form 990 filing data is available on this page for 2020–2024.

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Data last updated June 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.

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