funder-graph › Recipients
Who funds Mattachine Society of Washington
EIN 45-4584473 · Washington, DC · NTEE B82
Mattachine Society of Washington of Washington, DC (EIN 45-4584473) was named as a grant recipient by 6 funders in 11 grants paid totaling $167,500 in tax years 2018–2025, as reported on the funders' Forms 990-PF and 990 Schedule I. Each edge was resolved to this EIN at the match tier shown. Dataset version 2026.09.0, built 2026-09-03.
Grants received
$167,500
11 grants paid
Funders
6
distinct grantmakers
Tax years
2018–2025
as reported by funders
Approved for future payment
$30,000
not included in grants received
Funders
| Funder | State | Match | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| The Philadelphia Foundation 23-1581832 | PA | A | 2 | $50,000 | 2020 |
| Arcus Foundation 38-3332791 | NY | B | 5 | $40,000 | 2024 |
| Mc Dermott Will and Emery Charitable Foundation 36-3172396 | IL | A | 1 | $37,500 | 2020 |
| Mrm Foundation Inc C/O Julia Greenblatt 11-3243133 | NY | D | 1 | $25,000 | 2019 |
| Surdna Foundation Inc 13-6108163 | NY | D | 1 | $10,000 | 2025 |
| The Small Change Foundation 94-3271247 | CA | B | 1 | $5,000 | 2018 |
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.
Grants
The 14 most recent grants naming this organization.
| Tax year | Funder | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|---|
| 2025 | Surdna Foundation Inc | Mattachine Society Washington, DC | D | $10,000 | paid | GENERAL SUPPORT | 202601359349100805 |
| 2024 | Arcus Foundation | Mattachine Society of Washington Washington, DC | B | $10,000 | paid | GENERAL OPERATING SUPPORT | 202523109349101372 |
| 2023 | Arcus Foundation | Mattachine Society of Washington Washington, DC | B | $10,000 | paid | GENERAL OPERATING SUPPORT TO CONDUCT ORIGINAL ARCHIVAL RESEARCH AND EDUCATIONAL OUTREACH THAT FOCUSES ON GAY AND LESBIAN LEGAL, POLITICAL, AND POLICY HISTORY OFTEN HIDDEN, LOCKED AWAY, OR DESTROYED. | 202443029349100409 |
| 2023 | Arcus Foundation | Mattachine Society of Washington Washington, DC | B | $10,000 | paid | GENERAL OPERATING SUPPORT TO CONDUCT ORIGINAL ARCHIVAL RESEARCH AND EDUCATIONAL OUTREACH THAT FOCUSES ON GAY AND LESBIAN LEGAL, POLITICAL, AND POLICY HISTORY OFTEN HIDDEN, LOCKED AWAY, OR DESTROYED. | 202443029349100409 |
| 2022 | Arcus Foundation | The Mattachine Society of Washington Washington, DC | B | $10,000 | approved, future | GENERAL OPERATING SUPPORT | 202411369349105341 |
| 2022 | Arcus Foundation | The Mattachine Society of Washington Washington, DC | B | $10,000 | approved, future | GENERAL OPERATING SUPPORT | 202323109349100847 |
| 2022 | Arcus Foundation | The Mattachine Society of Washington Washington, DC | B | $5,000 | paid | GENERAL OPERATING SUPPORT | 202323109349100847 |
| 2022 | Arcus Foundation | The Mattachine Society of Washington Washington, DC | B | $5,000 | paid | GENERAL OPERATING SUPPORT | 202411369349105341 |
| 2020 | Mc Dermott Will and Emery Charitable Foundation | Mattachine Society of Washington DC Washington, DC | A | $37,500 | paid | 202103159349304330 | |
| 2020 | The Philadelphia Foundation | Mattachine Society of Washington Washington, DC | A | $25,000 | paid | CURED | 202143189349301314 |
| 2020 | Arcus Foundation | The Mattachine Society of Washington DC Washington, DC | C | $10,000 | approved, future | GENERAL OPERATING SUPPORT | 202133029349100543 |
| 2019 | Mrm Foundation Inc C/O Julia Greenblatt | Mattachine Society of Washington DC Washington, DC | D | $25,000 | paid | GENERAL | 202041209349101419 |
| 2019 | The Philadelphia Foundation | Mattachine Society of Washington Washington, DC | A | $25,000 | paid | CURED DOCUMENTARY FILM PROJECT | 202122219349300642 |
| 2018 | The Small Change Foundation | Mattachine Society of Washington Washington, DC | B | $5,000 | paid | THE MATTACHINE SOCIETY CONDUCTS AND FUNDS ARCHIVES OF ACTIVISM, IDENTIFYING, CONSERVING AND INTERPRETING THE LGBT HISTORICAL RECORD. | 201930289349100363 |
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 inferred and should be read as leads until the check is published on the methodology page.
Derived from IRS Form 990-PF and Form 990 Schedule I e-file XML filed by the funders shown; this organization's identity from the IRS Exempt Organizations Business Master File. Dataset version 2026.09.0, built 2026-09-03. The rows as Parquet: manifest.
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.