Sontag Foundation
The Sontag Foundation is a private grantmaking foundation established in 2000 and based in Ponte Vedra Beach, Florida. The organization is dedicated to advancing brain cancer research by investing in brilliant scientists who are committed to pursuing bold, innovative, and transformative ideas.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$219.6M
+17.1% YoY
Annual Giving
$7.2M
+26.7% YoY
Grant Count
35
-27.1% YoY
Avg Grant Size
$204K
+73.7% YoY
Mission & Focus Areas
Mission: The Sontag Foundation is dedicated to advancing brain cancer research by investing in brilliant scientists who are committed to the pursuit of bold, innovative, and transformative ideas.
Primary Focus: Brain cancer and brain tumor research. The foundation was started by a family from Northeast Florida who wanted to make a difference in the lives of those affected by brain cancer through the power of medical research.
Grantmaking
The foundation has made substantial investments in brain cancer research:
How to Apply
The foundation does not accept unsolicited grant proposals. Interested applicants must respond to published Requests for Applications.
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Geographic Focus
Where this funder awards grants
North America
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
As of 2023:
- Total Assets: $187,565,405
- Total Revenue: $6,862,500
- Total Expenses: $9,190,581
- Total Liabilities: $146,000
- Number of Employees: 1
Cumulative Impact: Over $85 million invested to advance scientific discoveries and treatment breakthroughs in brain cancer research
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $219,583,987 | $187,565,405 | $171,598,285 |
| Revenue | $24,608,122 | $6,862,500 | $106,551,695 |
| Expenses | $10,044,071 | $9,190,581 | $8,565,078 |
| Qualifying Distributions | $9,836,210 | $9,358,430 | $7,524,924 |
| Net Investment Income | $11,271,684 | $4,449,831 | $639,798 |
| Distributable Amount | $9,762,156 | $8,640,591 | $6,643,703 |
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
164 grants across all recorded years
Open Grants
1 open opportunity from Sontag Foundation
Giving History
Grant recipients and amounts by year
No grants recorded for .
Leadership & Key People
Leadership team and compensation from IRS filings
Principal Officer: Frederick B. Sontag
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| FREDERICK B SONTAG | DIRECTOR | 1 | — |
| BRADLEY D MOTTIER | DIRECTOR | 1 | $8,000 |
| GRANT M CONWAY | DIRECTOR | 1 | $8,000 |
| DANIEL M RYAN | DIRECTOR | 1 | $8,000 |
| JENNIFER H LEVINSON | DIRECTOR | 1 | $8,000 |
| JEFFREY E BERNARDO | DIRECTOR | 1 | $8,000 |
| BEN CHATRAW | DIRECTOR | 1 | $8,000 |
| CAROLYN MATHIS | DIRECTOR | 1 | $8,000 |
| KATHERINE VERBLE | DIRECTOR | 1 | $8,000 |
| CLAY TOUSEY III | DIRECTOR | 1 | $8,000 |
Recent News & Activity
Recent developments and announcements
The foundation has been actively engaged in advancing brain tumor research through collaborative efforts and significant grant distributions. Recent initiatives include leading a coalition with The Mark Foundation to propel novel brain tumor therapy research with $4 million in new grants. The foundation continues to award annual Distinguished Scientist Awards recognizing outstanding early-career researchers committed to brain tumor research.
The Mark Foundation and The Sontag Foundation Lead Coalition to Propel NovelContact Information
Address: 816 A1A North, Suite 201, Ponte Vedra Beach, FL 32082
Phone: 904-273-8755
Email: info@sontagfoundation.org
Website: sontagfoundation.org
Subject Areas
Focus areas based on grantmaking activity
Data last updated April 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.
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