Diomedes Foundation
Grantmaking foundation in Concord, Massachusetts · EIN 46-1451480
- Massachusetts
- Concord
- Philanthropy, Voluntarism and Grantmaking Foundations
- Philanthropy, Voluntarism and Grantmaking Foundations in Massachusetts
- Grants itemized on the 990
- $2.3MTax year 2025
- Grants made
- 18Tax year 2025
- Total assets
- $2.1MLatest reported
- Latest IRS filing
- 2025Form 990 / 990-PF
Giving by year
Totals by tax year, rounded to two significant figures. Years without a reported total show the sum of grants itemized on the filing.
Top recipients
| Recipient | Amount | Tax year |
|---|---|---|
| Boynton Fmaily Fund - Fidelity Charitable | $1.5M | 2025 |
| Harvard University | $290K | 2025 |
| Emerson Health | $130K | 2025 |
| Middlesex School | $95K | 2025 |
| Renaissance Charitable Foundation Inc - Theodora Park Fund | $50K | 2025 |
Amounts are rounded. The full grantee list (18 grants in 2025) is available with a free account.
See the full profile. All grants with amounts and years, board and officers, contact details, giving patterns and your organization's fit score are available with a free GrantAuthority account.
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Source: IRS Form 990 and 990-PF filings, tax year 2025. Also see this organization on ProPublica Nonprofit Explorer.