Private foundation · Concord, MA

The Diomedes Foundation

View org profile →Find similar funders →Invitation only
Typical grant size
$1K – $10K – $25K
25th · median · 75th percentile
Unique recipients
33
Repeat grantees
18
funded 2+ years

Application procedures · from 2024 990-PF

Leadership · from 2024 990-PF

John W Boynton IV
TRUSTEE
Johanna N Boynton
TRUSTEE
James E Gowen II
TRUSTEE

Source: IRS Form 990-PF, Part VII. Officers, directors, and trustees as reported by the foundation.

Payout rate · TY 2024
17.1%
grants paid ÷ assets · ~5% IRS minimum
'17
'18
'19
'20
'21
'22
'23
'24
117
Total grants awarded
$3.3M
Total amount
$28K
Average grant
$286K
Largest grant

Giving by year

2024
$361K
14 grants
2023
$368K
13 grants
2022
$319K
11 grants
2021
$498K
21 grants
2020
$227K
15 grants
2019
$178K
27 grants
2018
$359K
5 grants
2017
$504K
4 grants
2016
$200K
2 grants
2015
$303K
5 grants

Top recipients

7 grants · MA · ≈ likely match
$667K
3 grants · MA · ✓ Exact match
$370K
2 grants · MA · ≈ likely match
$312K
1 grant · MA · ✓ Exact match
$286K
3 grants · MA · ✓ Exact match
$211K
Concord Museum
5 grants · MA
$166K
5 grants · MA · ✓ Exact match
$137K
Emerson Health Foundation
1 grant · MA
$115K
The Umbrella Community Arts Center
3 grants · MA
$106K
3 grants · ME · ✓ Exact match
$101K

Recipient names are as reported on the 990-PF. ✓ Exact match = EIN matched to IRS records by exact name + state; ≈ likely match = EIN inferred from a closely similar name. The recipient EIN is never stated on the form — it is DoubleNine’s match.

Recent grants · most recent filings first

Emerson Health Foundation
CHARITABLE
MA · TY 2024
$115K
Northeast Harbor Sailing School
CHARITABLE
ME · TY 2024
$50K
Trustees of Hamilton College
CHARITABLE
NY · TY 2024
$35K
Concord250
CHARITABLE
MA · TY 2024
$25K
Island Housing Trust
CHARITABLE
MA · TY 2024
$25K
Harvard Varsity Club Inc
CHARITABLE
MA · TY 2024
$25K
Concord Free Public Library Corp
CHARITABLE
MA · TY 2024
$20K
California Community Foundation
CHARITABLE
CA · TY 2024
$16K
The Childrens Room
CHARITABLE
MA · TY 2024
$10K
Axium Education
CHARITABLE
TY 2024
$10K
St Paul's School
CHARITABLE
NH · TY 2024
$10K
Concord Center for the Visual Arts
CHARITABLE
MA · TY 2024
$10K
The Neighborhood House
CHARITABLE
CA · TY 2024
$5K
Deaconess Abundant Life Communities
CHARITABLE
MA · TY 2024
$5K
Emerson Hospital
CHARITABLE
MA · TY 2023
$110K
Harvard College Fund
CHARITABLE
MA · TY 2023
$100K
Northeast Harbor Sailing School
CHARITABLE
ME · TY 2023
$50K
Harvard Varsity Club Inc
CHARITABLE
MA · TY 2023
$25K
California Community Foundation
CHARITABLE
CA · TY 2023
$15K
Middlesex School
CHARITABLE
MA · TY 2023
$10K
The Childrens Room
CHARITABLE
MA · TY 2023
$10K
Mt Desert Community Development Corp
CHARITABLE
ME · TY 2023
$10K
Carnegie Initiative
CHARITABLE
MA · TY 2023
$10K
Trustees of Hamilton College
CHARITABLE
NY · TY 2023
$10K
American Promise Inc
CHARITABLE
MA · TY 2023
$10K
Umbrella Arts Center
CHARITABLE
MA · TY 2023
$5K
Concord Fee Public Library Corp
CHARITABLE
MA · TY 2023
$3K
Emerson Hospital
CHARITABLE
MA · TY 2022
$100K
President and Fellow of Harvard College
CHARITABLE
MA · TY 2022
$75K
Middlesex School
CHARITABLE
MA · TY 2022
$31K
Harvard Varsity Club Inc
CHARITABLE
MA · TY 2022
$25K
Wonmen's Sport Foundation
CHARITABLE
NY · TY 2022
$25K
Island Housing Trust
CHARITABLE
ME · TY 2022
$25K
California Community Foundation
CHARITABLE
CA · TY 2022
$15K
The Childrens Room
CHARITABLE
MA · TY 2022
$10K
Ubuntu Global Connections Inc
CHARITABLE
MA · TY 2022
$5K
Positive Coaching Alliance
CHARITABLE
CA · TY 2022
$5K
Sports Museum of Ne Inc
CHARITABLE
MA · TY 2022
$3K
Concord Free Public Library
CHARITABLE
MA · TY 2021
$100K
Theodora Park Foundation Co Carlos Byrne Bny Mellon Charitable Gift Fund
CHARITABLE
MA · TY 2021
$100K
President and Fellows of Harvard College
CHARITABLE
MA · TY 2021
$75K
Island Housing Trust
CHARITABLE
MA · TY 2021
$50K
Harvard College Fund Co Harvard University
CHARITABLE
MA · TY 2021
$35K
Middlesex School
CHARITABLE
MA · TY 2021
$25K
USA Hockey Foundation
CHARITABLE
CO · TY 2021
$25K
Harvard University
CHARITABLE
MA · TY 2021
$11K
Harlem Lacrosse
CHARITABLE
NY · TY 2021
$10K
The Childrens Room
CHARITABLE
MA · TY 2021
$10K
Steppingstone Foundation
CHARITABLE
MA · TY 2021
$10K
Harvard Varsity Club
CHARITABLE
MA · TY 2021
$10K

Source: IRS Form 990-PF, Part XV. Up to 50 most recent grants shown.