funder-graph › Recipients
Who funds Seattle Universal Math Museum
EIN 84-2800368 · Seattle, WA · NTEE A50
Seattle Universal Math Museum of Seattle, WA (EIN 84-2800368) was named as a grant recipient by 18 funders in 41 grants paid totaling $1,260,677 in tax years 2020–2025, 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
$1,260,677
41 grants paid
Funders
18
distinct grantmakers
Tax years
2020–2025
as reported by funders
Approved for future payment
$300,000
not included in grants received
Funders
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 43 most recent grants naming this organization.
| Tax year | Funder | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|---|
| 2025 | Vanguard Charitable Endowment Program | Seattle Universal Math Museum Seattle, WA | A | $65,925 | paid | FOR RECIPIENT'S EXEMPT PURPOSE | 202621329349306657 |
| 2025 | American Online Giving Foundation Inc | Seattle Universal Math Museum Seattle, WA | A | $43,077 | paid | GENERAL SUPPORT | 202641969349302754 |
| 2025 | American Online Giving Foundation Inc | Seattle Universal Math Museum Seattle, WA | A | $43,077 | paid | GENERAL SUPPORT | 202533509349301608 |
| 2025 | Donor Advised Charitable Giving Inc | Seattle Universal Math Museum Seattle, WA | A | $18,475 | paid | ARTS, CULTURE & HUMANITIES | 202611199349300601 |
| 2025 | Mary P Dolciani Halloran Foundation C/O Pkf O'connor Davies Advisory LLC | Seattle Universal Math Museum Seattle, WA | B | $15,000 | paid | GENERAL OPERATING SUPPORT | 202601189349101510 |
| 2025 | Fidelity Investments Charitable Gift Fund | Seattle Universal Math Museum Seattle, WA | A | $12,725 | paid | For grant recipient's exempt purposes | 202601389349301700 |
| 2025 | Pitch Your Peers Seattle Inc | Seattle Universal Math Museum Seattle, WA | C | $6,650 | paid | 202601359349301805 | |
| 2025 | Frontstream Global Fund | Seattle Universal Math Museum Seattle, WA | A | $5,206 | paid | Contribution | 202611119349300311 |
| 2024 | M J Murdock Charitable Trust | Seattle Universal Math Museum Seattle, WA | C | $225,000 | approved, future | NEW EXECUTIVE DIRECTOR | 202513189349104056 |
| 2024 | M J Murdock Charitable Trust | Seattle Universal Math Museum Seattle, WA | C | $225,000 | paid | NEW EXECUTIVE DIRECTOR | 202513189349104056 |
| 2024 | The Simons Foundation Inc | Seattle Universal Math Museum Seattle, WA | B | $75,000 | approved, future | SUMM + ZENO FAMILY MATH FUN 2025 | 202503179349103885 |
| 2024 | American Online Giving Foundation Inc | Seattle Universal Math Museum Mercer Island, WA | A | $35,787 | paid | GENERAL SUPPORT | 202530159349302758 |
| 2024 | Vanguard Charitable Endowment Program | Seattle Universal Math Museum Seattle, WA | A | $32,500 | paid | FOR RECIPIENT'S EXEMPT PURPOSE | 202511349349313096 |
| 2024 | The Mathenaeum Foundation | Seattle Universal Math Museum Seattle, WA | B | $30,000 | paid | to support the development and operation of in-house programs to serve the local community | 202503189349102805 |
| 2024 | The Mathenaeum Foundation | Seattle Universal Math Museum Seattle, WA | B | $25,000 | paid | Executive Director Employment Fund | 202503189349102805 |
| 2024 | Pitch Your Peers Seattle Inc | Seattle Universal Math Museum Seattle, WA | C | $13,302 | paid | 202521299349302552 | |
| 2024 | Silicon Valley Community Foundation | Seattle Universal Math Museum Seattle, WA | A | $10,000 | paid | Sciences | 202543149349305759 |
| 2024 | The Mathenaeum Foundation | Seattle Universal Math Museum Seattle, WA | B | $10,000 | paid | General & Unrestricted | 202503189349102805 |
| 2024 | Fidelity Investments Charitable Gift Fund | Seattle Universal Math Museum Mercer Island, WA | A | $6,675 | paid | For grant recipient's exempt purposes | 202521349349310887 |
| 2024 | Donor Advised Charitable Giving Inc | Seattle Universal Math Museum Seattle, WA | A | $5,050 | paid | ARTS, CULTURE & HUMANITIES | 202541069349300729 |
| 2024 | The Allen & Eve Foundation Inc C/O Acadia Family Office | Seattle Universal Math Museum Mercer Island, WA | C | $5,000 | paid | GENERAL SUPPORT | 202511349349101851 |
| 2024 | Anthony-Maymudes Family Foundation | Seattle Universal Math Museum Seattle, WA | C | $5,000 | paid | General operating support | 202501349349100605 |
| 2023 | The Mathenaeum Foundation | Seattle Universal Math Museum Mercer Island, WA | C | $222,500 | paid | Director's Compensation Fund, Studio Infinity programs, and general support | 202433169349102063 |
| 2023 | The Simons Foundation Inc | Seattle Universal Math Museum Seattle, WA | C | $72,000 | paid | SUMM + ZENO FAMILY MATH FUN GIFT | 202433189349101913 |
| 2023 | The Allen & Eve Foundation Inc C/O Acadia Family Office | Seattle Universal Math Museum Mercer Island, WA | C | $67,200 | paid | GENERAL SUPPORT | 202402139349101110 |
| 2023 | American Online Giving Foundation Inc | Seattle Universal Math Museum Mercer Island, WA | A | $45,082 | paid | GENERAL SUPPORT | 202410469349300741 |
| 2023 | The Mathenaeum Foundation | Seattle Universal Math Museum Mercer Island, WA | C | $25,000 | paid | Executive Director Employment Fund | 202433169349102063 |
| 2023 | Credit Unions in the State of Washington | Seattle Universal Math Museum Mercer Island, WA | A | $15,000 | paid | DONATION | 202403209349317690 |
| 2023 | Artsfund | Seattle Universal Math Museum Seattle, WA | A | $11,900 | paid | GENERAL SUPPORT | 202412259349302801 |
| 2023 | The Norcliffe Foundation | Seattle Universal Math Museum Seattle, WA | C | $10,000 | paid | THE SUMMOBILE | 202412439349100601 |
| 2023 | Fidelity Investments Charitable Gift Fund | Seattle Universal Math Museum Mercer Island, WA | A | $7,088 | paid | For grant recipient's exempt purposes | 202441369349301334 |
| 2023 | Vanguard Charitable Endowment Program | Seattle Universal Math Museum Mercer Island, WA | A | $6,600 | paid | FOR RECIPIENT'S EXEMPT PURPOSE | 202441359349309439 |
| 2023 | Anthony-Maymudes Family Foundation | Seattle Universal Math Museum Seattle, WA | C | $5,000 | paid | General Operating Support | 202401159349100005 |
| 2023 | The Mathenaeum Foundation | Seattle Universal Math Museum Mercer Island, WA | C | $475 | paid | General & Unrestricted | 202433169349102063 |
| 2023 | Amazonsmile Foundation | Seattle Universal Math Museum Seattle, WA | C | $158 | paid | GENERAL SUPPORT | 202540919349100629 |
| 2022 | The Simons Foundation Inc | Seattle Universal Math Museum Seattle, WA | C | $65,000 | paid | SUMM + ZENO FAMILY MATH FUN | 202333149349102308 |
| 2022 | American Online Giving Foundation Inc | Seattle Universal Math Museum Mercer Island, WA | A | $31,960 | paid | GENERAL SUPPORT | 202340469349301209 |
| 2022 | The Mathenaeum Foundation | Seattle Universal Math Museum Mercer Island, WA | C | $25,000 | paid | The recruitment and hiring of SUMM's new Executive Director | 202323199349110002 |
| 2022 | The Mathenaeum Foundation | Seattle Universal Math Museum Mercer Island, WA | C | $20,000 | paid | General & Unrestricted | 202323199349110002 |
| 2022 | National Philanthropic Trust | Seattle Universal Math Museum Mercer Island, WA | A | $10,000 | paid | CULTURE & ARTS | 202311359349313966 |
| 2022 | Amazonsmile Foundation | Seattle Universal Math Museum Seattle, WA | C | $161 | paid | GENERAL SUPPORT | 202313119349100141 |
| 2021 | American Online Giving Foundation Inc | Seattle Universal Math Museum Mercer Island, WA | A | $7,077 | paid | GENERAL SUPPORT | 202240469349301419 |
| 2020 | Amazonsmile Foundation | Seattle Universal Math Museum Mercer Island, WA | C | $27 | paid | GENERAL SUPPORT | 202113199349100901 |
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.