funder-graph › Recipients
Who funds Whose Knowledge Question Mark
EIN 87-1925489 · San Diego, CA · NTEE R99
Whose Knowledge Question Mark of San Diego, CA (EIN 87-1925489) was named as a grant recipient by 6 funders in 15 grants paid totaling $3,214,112 in tax years 2022–2025, 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
$3,214,112
15 grants paid
Funders
6
distinct grantmakers
Tax years
2022–2025
as reported by funders
Approved for future payment
$1,350,000
not included in grants received
Funders
| Funder | State | Match | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| The Andrew W Mellon Foundation 13-1879954 | NY | D | 2 | $1,915,000 | 2024 |
| Wikimedia Foundation Inc 20-0049703 | CA | A | 4 | $781,612 | 2025 |
| Foundation for a Just Society 27-3345774 | NY | D | 5 | $250,000 | 2024 |
| Mozilla Foundation 20-0097189 | CA | A | 2 | $100,000 | 2023 |
| Peace Development Fund 04-2738794 | MA | A | 1 | $92,500 | 2023 |
| Wellspring Philanthropic Fund Inc 22-3692921 | NY | B | 1 | $75,000 | 2024 |
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 18 most recent grants naming this organization.
| Tax year | Funder | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|---|
| 2025 | Wikimedia Foundation Inc | Whose Knowledge San Diego, CA | A | $216,300 | paid | MULTI-YEAR GRANT FOR SUPPORT OF WHOSE KNOWLEDGE? ANNUAL PLAN FOR THE 2024 - 2026 PERIOD | 202611339349306831 |
| 2024 | The Andrew W Mellon Foundation | Whose Knowledge San Diego, CA | D | $1,250,000 | paid | TO SUPPORT GENERAL OPERATIONS | 202523189349104752 |
| 2024 | The Andrew W Mellon Foundation | Whose Knowledge San Diego, CA | D | $1,250,000 | approved, future | TO SUPPORT GENERAL OPERATIONS | 202523189349104752 |
| 2024 | Wikimedia Foundation Inc | Whose Knowledge San Diego, CA | A | $200,000 | paid | MULTI-YEAR GRANT FOR SUPPORT OF WHOSE KNOWLEDGE? ANNUAL PLAN FOR THE 2024 - 2026 PERIOD | 202511199349301026 |
| 2024 | Wellspring Philanthropic Fund Inc | Whose Knowledge Question Mark San Diego, CA | B | $75,000 | paid | GENERAL OPERATING SUPPORT | 202532889349100533 |
| 2024 | Foundation for a Just Society | Whose Knowledge San Diego, CA | D | $75,000 | paid | TO PROVIDE GENERAL OPERATING SUPPORT | 202523109349101872 |
| 2024 | Foundation for a Just Society | Whose Knowledge San Diego, CA | D | $25,000 | paid | TO PROVIDE ACCOMPANIMENT SUPPORT FOR HOLISTIC SAFETY AND COLLECTIVE CARE | 202523109349101872 |
| 2023 | The Andrew W Mellon Foundation | Whose Knowledge San Diego, CA | D | $665,000 | paid | TO SUPPORT A MULTIPRONGED EFFORT TO CENTER THE KNOWLEDGE AND LANGUAGES OF MARGINALIZED COMMUNITIES ON THE INTERNET | 202413199349106571 |
| 2023 | Wikimedia Foundation Inc | Whose Knowledge San Diego, CA | A | $196,434 | paid | TO SUPPORT WORK TO FURTHER MISSION. | 202431349349306233 |
| 2023 | Peace Development Fund | Whose Knowledge San Diego, CA | A | $92,500 | paid | General Support | 202343419349300914 |
| 2023 | Foundation for a Just Society | Whose Knowledge San Diego, CA | D | $75,000 | approved, future | TO PROVIDE GENERAL OPERATING SUPPORT | 202443179349102599 |
| 2023 | Foundation for a Just Society | Whose Knowledge San Diego, CA | D | $75,000 | paid | TO PROVIDE GENERAL OPERATING SUPPORT | 202443179349102599 |
| 2023 | Mozilla Foundation | Whose Knowledge San Diego, CA | A | $50,000 | paid | PROJECT SUPPORT TO INTEGRATE RESPONSIBLE COMPUTING AND ETHICS. | 202443209349319444 |
| 2023 | Foundation for a Just Society | Whose Knowledge San Diego, CA | D | $25,000 | approved, future | TO PROVIDE ACCOMPANIMENT SUPPORT FOR HOLISTIC SAFETY AND COLLECTIVE CARE | 202443179349102599 |
| 2023 | Foundation for a Just Society | Whose Knowledge San Diego, CA | D | $25,000 | paid | TO PROVIDE ACCOMPANIMENT SUPPORT FOR HOLISTIC SAFETY AND COLLECTIVE CARE | 202443179349102599 |
| 2022 | Wikimedia Foundation Inc | Whose Knowledge San Diego, CA | A | $168,878 | paid | TO SUPPORT WORK TO FURTHER MISSION. | 202311249349301126 |
| 2022 | Mozilla Foundation | Whose Knowledge San Diego, CA | A | $50,000 | paid | GENERAL OPERATING SUPPORT FOR LANGUAGE JUSTICE WORK. | 202313199349323576 |
| 2022 | Foundation for a Just Society | Whose Knowledge San Diego, CA | D | $50,000 | paid | TO PROVIDE GENERAL OPERATING SUPPORT TO WHOSE KNOWLEDGE | 202313069349101766 |
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.