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
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
No grants recorded for .
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 mentorshipRelated Funders
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Data last updated April 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.
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