Funders › MA › The Diomedes Foundation C/O John W Boynton IV Firehouse Capital › 2021
Grants paid by The Diomedes Foundation C/O John W Boynton IV Firehouse Capital, tax year 2021
EIN 46-1451480 · Concord, MA · Form 990-PF, Part XV · NTEE T20
In tax year 2021, The Diomedes Foundation C/O John W Boynton IV Firehouse Capital (EIN 46-1451480) reported 21 grants paid totaling $498,375. Dataset version 2026.09.0, built 2026-09-03.
Every grant, 2021
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2021 | Theodora Park Foundation Co Carlos Byrne Bny Mellon Charitable Gift Fund Boston, MA | U | $100,000 | paid | CHARITABLE | 202231479349100108 |
| 2021 | Concord Free Public Library Concord, MA | C | $100,000 | paid | CHARITABLE | 202231479349100108 |
| 2021 | President and Fellows of Harvard College Boston, MA | C | $75,000 | paid | CHARITABLE | 202231479349100108 |
| 2021 | Island Housing Trust West Tisbury, MA | C | $50,000 | paid | CHARITABLE | 202231479349100108 |
| 2021 | Harvard College Fund Co Harvard University Boston, MA | U | $35,000 | paid | CHARITABLE | 202231479349100108 |
| 2021 | Middlesex School Concord, MA | B | $25,000 | paid | CHARITABLE | 202231479349100108 |
| 2021 | USA Hockey Foundation Colorado Springs, CO | B | $25,000 | paid | CHARITABLE | 202231479349100108 |
| 2021 | Harvard University Cambridge, MA | C | $11,375 | paid | CHARITABLE | 202231479349100108 |
| 2021 | The Childrens Room Arlington, MA | D | $10,000 | paid | CHARITABLE | 202231479349100108 |
| 2021 | Steppingstone Foundation Boston, MA | C | $10,000 | paid | CHARITABLE | 202231479349100108 |
| 2021 | Harvard Varsity Club Boston, MA | B | $10,000 | paid | CHARITABLE | 202231479349100108 |
| 2021 | Harlem Lacrosse New York, NY | U | $10,000 | paid | CHARITABLE | 202231479349100108 |
| 2021 | California Community Foundation Los Angeles, CA | B | $7,500 | paid | CHARITABLE | 202231479349100108 |
| 2021 | Town of Concord Concord, MA | U | $5,000 | paid | CHARITABLE | 202231479349100108 |
| 2021 | The Umbrella Community Arts Center Concord, MA | U | $5,000 | paid | CHARITABLE | 202231479349100108 |
| 2021 | Concord-Carlisle Community Chest Concord, MA | U | $5,000 | paid | CHARITABLE | 202231479349100108 |
| 2021 | Lookup Incubator Inc Concord, MA | B | $5,000 | paid | CHARITABLE | 202231479349100108 |
| 2021 | Hasty Pudding Theatricals Cambridge, MA | U | $5,000 | paid | CHARITABLE | 202231479349100108 |
| 2021 | Citizen Schools Boston, MA | B | $2,500 | paid | CHARITABLE | 202231479349100108 |
| 2021 | Concord Museum Concord, MA | D | $1,000 | paid | CHARITABLE | 202231479349100108 |
| 2021 | Thinkgive Concord, MA | B | $1,000 | paid | CHARITABLE | 202231479349100108 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Recipient matching for this dataset version has not yet completed its independent precision check. Tier A rows carry the EIN the filer reported; tiers B–D are the matcher's inference and should be read as leads until the check is published on the methodology page.
Derived from IRS Form 990-PF e-file XML. Dataset version 2026.09.0, built 2026-09-03. All years for this funder.
The same organization elsewhere in the program: exempt status and filing health · federal awards · grant guidance · open opportunities.
This is informational only, derived from public data on the dates shown. It is not an eligibility determination, and not legal, tax, or accounting advice. Verify against the official source before relying on it.