The Diomedes Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in CONCORD, MA. IRS filing data is available from 2020 through 2024. In 2024, it awarded 14 grants totaling $361K.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
—
Annual Giving
$361K
-1.9% YoY
Grant Count
14
+7.7% YoY
Avg Grant Size
$26K
-8.9% YoY
About The Diomedes Foundation
Based on IRS filings
The Diomedes Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in CONCORD, MA. IRS filing data is available from 2020 through 2024. In 2024, it awarded 14 grants totaling $361K.
Focus Areas
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | — | — | — |
| Revenue | — | — | — |
| Expenses | — | — | — |
| Qualifying Distributions | — | — | — |
| Net Investment Income | — | — | — |
| Distributable Amount | — | — | — |
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
74 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2024 grants, the largest include Emerson Health Foundation ($115,000), Northeast Harbor Sailing School ($50,000), Trustees of Hamilton College ($35,000).
| Recipient | Purpose | Amount |
|---|---|---|
| CONCORD250 CONCORD, MA | CHARITABLE | $25,000 |
| CONCORD CENTER FOR THE VISUAL ARTS CONCORD, MA | CHARITABLE | $10,000 |
| CONCORD FREE PUBLIC LIBRARY CORP CONCORD, MA | CHARITABLE | $20,000 |
| ISLAND HOUSING TRUST VINEYARD HAVEN, MA | CHARITABLE | $25,000 |
| ST PAUL'S SCHOOL CONCORD, NH | CHARITABLE | $10,000 |
| HARVARD VARSITY CLUB INC BOSTON, MA | CHARITABLE | $25,000 |
| DEACONESS ABUNDANT LIFE COMMUNITIES CONCORD, MA | CHARITABLE | $5,000 |
| EMERSON HEALTH FOUNDATION CONCORD, MA | CHARITABLE | $115,000 |
| NORTHEAST HARBOR SAILING SCHOOL NORTHEAST HARBOR, ME | CHARITABLE | $50,000 |
| THE CHILDRENS ROOM ARLINGTON, MA | CHARITABLE | $10,000 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| JOHN W BOYNTON IV | TRUSTEE | 1 | — |
| JOHANNA N BOYNTON | TRUSTEE | 1 | — |
| JAMES E GOWEN II | TRUSTEE | 1 | — |
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What is The Diomedes Foundation?
The Diomedes Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in CONCORD, MA. It holds — in total assets as of 2024.
Where does The Diomedes Foundation operate?
The Diomedes Foundation has awarded grants in California, Colorado, Massachusetts, Maine, New Hampshire, New York.
What size grants does The Diomedes Foundation award?
In 2024, The Diomedes Foundation awarded 14 grants totaling $361K — an average of about $26K per grant, based on its IRS Form 990 filings.
What is The Diomedes Foundation's EIN?
The Diomedes Foundation's EIN (Employer Identification Number) is 46-1451480. IRS Form 990 filing data is available on this page for 2020–2024.
Explore Open Grants
Browse active grant opportunities in The Diomedes 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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