Marmot Foundation
The Marmot Foundation is a private family foundation established in 1968 and based in Rehoboth Beach, Delaware. The foundation is affiliated with the DuPont family and is managed by the Wilmington Trust Company. It has been a significant contributor to various philanthropic initiatives, particularly those addressing community needs in its home state.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$21.2M
-6.5% YoY
Annual Giving
$2.8M
+38.2% YoY
Grant Count
2
-95.6% YoY
Avg Grant Size
$1.4M
+3009.3% YoY
Under IRS private-foundation payout rules, Marmot Foundation reported a distributable amount of $2.1M for 2024 — the minimum it must pay out in qualifying distributions.
Mission & Focus Areas
The Marmot Foundation supports health, education, culture, youth, human services, and the environment. The foundation has been a major contributor to health initiatives that address damages caused by chemical leaks at DuPont facilities and their surrounding communities.
Grantmaking
The foundation does not maintain a formal application process or website. Grantseekers can submit written proposals to the foundation's mailing address in Rehoboth Beach, Delaware, directed to the attention of Willis H. du Pont. The foundation requests that organizations submit proposals in April or October, as it makes grant determinations in May and November. No formal application documents are required.
Grant Range
s & Activity:**
How to Apply
**
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Geographic Focus
Where this funder awards grants
The foundation primarily funds initiatives in Delaware, where the DuPont company is headquartered. While the foundation's grantmaking interests are fairly broad, it keeps most of its grants close to home, with the majority of funding directed to Delaware-based organizations.
Grant Distribution by State
Cities
Financial History
Multi-year comparison from IRS filings
As of Most Recent Filing (2023):
- Total assets: $22,656,676
- Total revenues: $1,077,130
- Total expenses: $2,189,209
- Investment income and dividends: $713,785
- Net gain from sale of non-inventory assets: $330,404
Historical Assets (2024):
- Total assets: $21,182,193
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $21,182,193 | $22,656,676 | $23,760,729 |
| Revenue | $1,455,185 | $1,077,130 | $725,886 |
| Expenses | $2,954,642 | $2,189,209 | $2,238,777 |
| Qualifying Distributions | $2,750,000 | $1,990,000 | $2,050,000 |
| Net Investment Income | $1,263,437 | $885,457 | $815,248 |
| Distributable Amount | $2,059,143 | $1,692,571 | $1,706,107 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 2 recipients in 2024
Grant Size Distribution
183 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2024 grants, the largest include National Philanthropic Trust Torque Foundation ($2,700,000), New Hope Charities Inc ($50,000).
| Recipient | Purpose | Amount |
|---|---|---|
| NATIONAL PHILANTHROPIC TRUST TORQUE FOUNDATION JENKINTOWN, PA | GENERAL/EDUCATIONAL | $2,700,000 |
| NEW HOPE CHARITIES INC WEST PALM BEACH, FL | GENERAL/EDUCATIONAL | $50,000 |
Leadership & Key People
Leadership team and compensation from IRS filings
- Willis H. du Pont — Chairman
- Charles F. Gummey Jr. — Trustee
- Lammot J. du Pont — Trustee
Other DuPont family members serve as trustees.
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| WILLIS H DUPONT | CHAIRMAN | 2 | — |
| LAMMOT J DUPONT | TRUSTEE | 2 | — |
| MIREN DEA DUPONT | TRUSTEE | 2 | — |
| MIREN DUPONT SANCHEZ | TRUSTEE | 2 | — |
Contact Information
Mailing Address: PO Box 323 Rehoboth Beach, DE 19971-0323
Frequently Asked Questions
What does Marmot Foundation fund?
The Marmot Foundation supports health, education, culture, youth, human services, and the environment. The foundation has been a major contributor to health initiatives that address damages caused by chemical leaks at DuPont facilities and their surrounding communities.
How do I apply for a grant from Marmot Foundation?
**Grant Sizes & Activity:** • Total annual giving: $2,750,000 • Typical award range: $5,000–$2,700,000 • Recent grants (2023) include: • Hospital for Special Surgery (HSS): $110,000 • Sun Valley Community School: $75,000 • St Luke's Wood River Foundation: $60,000 • Made 86 grants in the most recent reporting year **Application Process:** The foundation does not maintain a formal application process or website. Grantseekers can submit written proposals to the foundation's mailing address in Reho…
Where does Marmot Foundation make grants?
The foundation primarily funds initiatives in Delaware, where the DuPont company is headquartered. While the foundation's grantmaking interests are fairly broad, it keeps most of its grants close to home, with the majority of funding directed to Delaware-based organizations.
What size grants does Marmot Foundation award?
In 2024, Marmot Foundation awarded 2 grants totaling $2.8M — an average of about $1.4M per grant, based on its IRS Form 990 filings.
How much is Marmot Foundation required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2024, Marmot Foundation reported a distributable amount of $2.1M on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is Marmot Foundation's EIN?
Marmot Foundation's EIN (Employer Identification Number) is 51-6022487. IRS Form 990 filing data is available on this page for 2020–2024.
Explore Open Grants
Browse active grant opportunities in Marmot Foundation's focus areas in our free grants database
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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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