The Endurance Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in BOSTON, MA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $1.6M in total assets. In 2024, it awarded 4 grants totaling $80K. Net investment income was $166K.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$1.6M
+8.8% YoY
Annual Giving
$80K
-7.0% YoY
Grant Count
4
-20.0% YoY
Avg Grant Size
$20K
+16.3% YoY
Under IRS private-foundation payout rules, The Endurance Foundation reported a distributable amount of $84K for 2024 — the minimum it must pay out in qualifying distributions.
About The Endurance Foundation
Based on IRS filings
The Endurance Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in BOSTON, MA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $1.6M in total assets. In 2024, it awarded 4 grants totaling $80K. Net investment income was $166K.
Focus Areas
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $1,553,396 | $1,427,978 | $1,524,278 |
| Revenue | $197,943 | $30,103 | $75,253 |
| Expenses | $111,523 | $115,010 | $121,050 |
| Qualifying Distributions | $80,000 | $86,000 | $93,000 |
| Net Investment Income | $166,448 | $5,865 | $47,203 |
| Distributable Amount | $83,658 | $79,266 | $86,177 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 4 recipients in 2024
Grant Size Distribution
18 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2024 grants, the largest include Marine Biological Laboratories ($20,000), Pine Street Inn ($20,000), Sea Education Assistance ($20,000).
| Recipient | Purpose | Amount |
|---|---|---|
| MARINE BIOLOGICAL LABORATORIES WOODS HOLE, MA | CELLULAR, DEVELOPMENTAL, AND REPRODUCTIVE BIOLOGY; MOLECULAR BIOLOGY AND EVOLUTION RESEARCH | $20,000 |
| PINE STREET INN BOSTON, MA | INNOVATIVE, SOLUTION-ORIENTED PROGRAMS TO HELP HOMELESS INDIVIDUALS MOVE BEYOND SHELTER | $20,000 |
| SEA EDUCATION ASSISTANCE BOSTON, MA | GENERAL CHARITABLE PURPOSES | $20,000 |
| WOODS HOLE RESEARCH CENTER FALMOUTH, MA | SCIENTIFIC AND EDUCATIONAL RESEARCH | $20,000 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| MATTHEW A BERLIN | TRUSTEE | 0.5 | — |
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What is The Endurance Foundation?
The Endurance Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in BOSTON, MA. It holds $1.6M in total assets as of 2024.
How large is The Endurance Foundation?
As of 2024, The Endurance Foundation holds $1.6M in total assets with $198K in annual revenue. It awarded 4 grants totaling $80K in 2024.
Where does The Endurance Foundation operate?
The Endurance Foundation has awarded grants in Massachusetts.
What size grants does The Endurance Foundation award?
In 2024, The Endurance Foundation awarded 4 grants totaling $80K — an average of about $20K per grant, based on its IRS Form 990 filings.
How much is The Endurance Foundation required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2024, The Endurance Foundation reported a distributable amount of $84K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is The Endurance Foundation's EIN?
The Endurance Foundation's EIN (Employer Identification Number) is 35-2435568. IRS Form 990 filing data is available on this page for 2020–2024.
Explore Open Grants
Browse active grant opportunities in The Endurance Foundation's focus areas in our free grants database
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.
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