Wikimedia Foundation Inc
San Francisco, CA ·EIN 20-0049703 ·Grant funding profile from IRS 990 filings
Wikimedia Foundation Inc also makes grants — see its funder profile →
Who funds Wikimedia Foundation Inc?
Wikimedia Foundation Inc is funded by 187 grantmakers, led by Wikimedia Endowment ($2.6M), Vanguard Charitable Endowment Program ($812K), Alfred P Sloan Foundation ($715K). In total, IRS Form 990 filings record $7.6M in grants to Wikimedia Foundation Inc between 2024–2025.
| Funder | Total given | Grants | Years |
|---|---|---|---|
| Wikimedia Endowment | $2,600,000 | 1 | 2024 |
| Vanguard Charitable Endowment Program | $811,819 | 1 | 2024 |
| Alfred P Sloan Foundation | $715,000 | 1 | 2024 |
| George D Smith Fund Inc | $350,000 | 1 | 2024 |
| The Rockefeller Foundation | $300,000 | 1 | 2024 |
| Morgan Stanley Global Impact Funding Trust Inc | $250,000 | 2 | 2024 |
| Kaphan Foundation | $248,234 | 1 | 2024 |
| National Philanthropic Trust | $244,520 | 1 | 2024 |
| The Benificus Foundation | $100,000 | 1 | 2024 |
| MathWorks Foundation Inc | $100,000 | 1 | 2024 |
| The Simons Foundation Inc | $80,000 | 1 | 2024 |
| Iw Foundation Inc | $75,000 | 1 | 2024 |
| Robert J Bauer Family Foundation | $60,000 | 2 | 2024 |
| Greater Horizons | $50,242 | 1 | 2024 |
| Gold Family Charitable Trust | $50,000 | 1 | 2024 |
| Fulcrum Foundation | $50,000 | 1 | 2024 |
| Crankstart Foundation | $50,000 | 1 | 2024 |
| Sauerland Foundation | $40,000 | 1 | 2024 |
| Mary H Storer Foundation | $40,000 | 1 | 2024 |
| The Chris and Melody Malachowsky | $35,000 | 1 | 2024 |
| Silverleaf Foundation Inc | $30,460 | 1 | 2024 |
| Strypemonde Foundation | $30,000 | 2 | 2024–2025 |
| Cottonwood Spring | $30,000 | 1 | 2024 |
| John Jewett & Helen Chandler Garland Fou | $30,000 | 1 | 2024 |
| Bozie Foundation | $30,000 | 1 | 2024 |
Show all 187 funders
What grants has Wikimedia Foundation Inc received?
Individual grants from IRS Form 990 filings, newest first
| Year | Funder | Purpose | Amount |
|---|---|---|---|
| 2025 | Strypemonde Foundation | GENERAL PURPOSES | $15,000 |
| 2025 | The Minneapolis Foundation | DONOR ADVISED, EDUCATION | $11,025 |
| 2025 | Comerica Charitable Trust | FOR THE ORGANIZATION'S GENERAL CHARITABLE PURPOSES | $10,000 |
| 2025 | The George & Wilma Leonard Charitable | ELEEMOSYNARY | $6,000 |
| 2025 | The Aber D Unger Foundation Inc | FOR USE IN ACCORDANCE WITH THE ESTABLISHED PURPOSE OF THE RECIPIENT ORGANIZATION | $5,000 |
| 2025 | Cooper E Etal Ttees C-s Fam Fdn-agy | GENERAL OPERATING | $5,000 |
| 2025 | John and Rachel King Foundation Inc | GENERAL DONATION | $3,000 |
| 2025 | The Franz W Sichel Foundation | GENERAL OPERATING PURPOSES | $2,000 |
| 2025 | Weathertop Foundation | GENERAL SUPPORT | $1,000 |
| 2025 | The Blum Family Foundation Inc | EDUCATIONAL | $1,000 |
| 2025 | The Edlow Family Fund Inc | To help it accomplish its stated mission. | $1,000 |
| 2025 | Madigan Family Foundation | CHARITABLE PURPOSE | $1,000 |
| 2025 | The Harriette Steelman and Charles | CHARITABLE FOR EDUCATION | $1,000 |
| 2025 | Bridgewood Fieldwater Foundation | GENERAL | $500 |
| 2025 | Dale & Laura Kutnick Foundation Inc | UNRESTRICTED GENERAL | $500 |
| 2025 | The Johnson-Kazar Charitable Foundation Inc | Donation | $500 |
| 2025 | The Bruce & Erica Greer Family Foundation | General Fund | $500 |
| 2025 | Caithness Foundation | PUBLIC RADIO/TV | $500 |
| 2025 | Henry C & Karin J Barkhorn Foundation | GENERAL SUPPORT | $500 |
| 2025 | Bridgewood Fieldwater Foundation | GENERAL | $500 |
| 2025 | Swajan Foundation | Public Benefit | $500 |
| 2025 | The Johnson-Kazar Charitable Foundation Inc | Donation | $500 |
| 2025 | Wallace H Jerome Foundation | OPERATING | $250 |
| 2025 | Educational Ventures Inc | GENERAL SUPPORT | $200 |
| 2025 | Luna Foundation Inc | GENERAL OPERATING SUPPORT | $120 |
| 2025 | Judy and Nick Kauser Foundation | UNRESTRICTED GENERAL | $100 |
| 2025 | Joanne and Frank Collins Charitable | CHARITABLE | $100 |
| 2025 | Han and Jiang Family Foundation | To ensure that Wikipedia remains independent, ad-free | $100 |
| 2025 | The Commonwealth Fund | Matching gifts for general operating support | $78 |
| 2025 | Virginia G Piper Charitable Trust | An employee matching grant to provide general support | $64 |
Showing 30 most recent of 200 recorded grants.
Frequently Asked Questions
Who funds Wikimedia Foundation Inc?
Wikimedia Foundation Inc is funded by 187 grantmakers, led by Wikimedia Endowment ($2.6M), Vanguard Charitable Endowment Program ($812K), Alfred P Sloan Foundation ($715K). In total, IRS Form 990 filings record $7.6M in grants to Wikimedia Foundation Inc between 2024–2025.
Who is Wikimedia Foundation Inc's largest funder?
Wikimedia Endowment is the largest recorded funder of Wikimedia Foundation Inc, with $2.6M across 1 grant (2024).
How much grant funding has Wikimedia Foundation Inc received?
IRS 990 filings record $7.6M in grants to Wikimedia Foundation Inc across 200 grants from 187 funders between 2024–2025. Filings are published on a delay, so recent grants may not appear yet.
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Grant data is drawn from IRS Form 990 filings via Grantable's GrantGraph™. Filings are published on a delay; recent grants may not appear yet.