Martin & Toni Sosnoff Foundation
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.
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
Cities
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.
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| 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
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
Grant Size Distribution
114 grants across all recorded years
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).
| Recipient | Purpose | Amount |
|---|---|---|
| ALZHEIMER DRUG DISCOERY FOUNDATION NEW YORK, NY | CHARITABLE | $7,600 |
| ALZHEIMER'S ASSOCIATION NEW YORK, NY | CHARITABLE | $1,000 |
| BARD COLLEGE ANNANDALEONHUDSON, NY | CHARITABLE | $250,000 |
| BOCA RATON REGIONAL HOSPITAL FOUNDATION BOCA RATON, FL | CHARITABLE | $200,000 |
| CHAMBER MUSIC SOCIETY OF PALM BEACH WEST PALM BEACH, FL | CHARITABLE | $54,644 |
| EXTRAORDINARY CHARITIES WEST PALM BEACH, FL | CHARITABLE | $500 |
| GEORGETOWN DAY SCHOOL WASHINGTON, DC | CHARITABLE | $1,500 |
| HOFSTRA UNIVERSITY HEMPSTEAD, NY | CHARITABLE | $15,000 |
| KRAVIS CENTER FOR THE PERFORMING ARTS WEST PALM BEACH, FL | CHARITABLE | $25,000 |
| MIAMI CITY BALLET MIAMI BEACH, FL | CHARITABLE | $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
| Name | Title | Hours | Compensation |
|---|---|---|---|
| MARTIN SOSNOFF | TRUSTEE | 1 | — |
| TONI SOSNOFF | TRUSTEE | 1 | — |
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 GIFTMade a $1 million gift to Boca Raton Regional Hospital
Martin and Toni Sosnoff Make $1 Million Gift to Boca Raton Regional HospitalProvided funding to SOS Outreach for outdoor-based mentorship program scholarships
SOS Outreach to award $45,000 in scholarships for its outdoor-based mentorshipSubject 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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