Well Told Grants

Nonprofits / California

Who funds Wikimedia Foundation?

San Francisco, California

195 private foundations reported grants to Wikimedia Foundation in San Francisco, California totaling $2.5 million across 201 grants in tax years 2023 to 2025. The largest funder was Alfred P Sloan Foundation, with $715,000.

From the funders' IRS Form 990-PF filings.

Funders of Wikimedia Foundation that accept applications

If your organization does similar work, these foundations are prospects: they already fund work like Wikimedia Foundation's and say in their IRS filings that they accept applications.

More prospects in the funder finder, filtered to foundations that give in California.

Foundations that fund Wikimedia Foundation

The 100 largest of 195 funders, by amount
FoundationPurpose givenGrantsAmount
Alfred P Sloan Foundation
New York · 2024 · accepts applications
To leverage ai for the benefit of wikipedias readers and contributors, including tools to address vandalism1$715,000
The Rockefeller Foundation
New York · 2024
Toward the costs of building infrastructure to allow for the seamless and automatic translation of wikipedia entries into a range of languages globally and make knowledge more equitably accessible.1$300,000
Foundation for A Better World Inc
Georgia · 2024
Program expenses1$250,000
Kaphan Foundation
Washington · 2024
General support1$248,234
Hfo Foundation
Pennsylvania · 2024
General2$100,000
The Benificus Foundation
California · 2024
General purpose1$100,000
The Simons Foundation Inc
New York · 2024
Wikimedia foundation gift1$80,000
Iw Foundation Inc
New York · 2025
Program grant1$75,000
DW Gore Family Foundation
Delaware · 2024
Educational research1$75,000
Fulcrum Foundation
Colorado · 2025
To fund the recipient's operating budget1$50,000
Crankstart Foundation
California · 2024
General support1$50,000
Silverleaf Foundation Inc
Connecticut · 2024
General1$30,460
Bozie Foundation
Arkansas · 2024
To assist with ongoing operations of the charity.1$30,000
John Jewett & Helen Chandler Garland Foundation
California · 2025
General1$30,000
The Argosy Foundation
Wisconsin · 2024
General support1$25,000
The David S Howe Foundation
New York · 2024
Donee's exempt purpose1$25,000
The Whalley Foundation
Texas · 2025
Fund programs1$20,000
Macdonald-Peterson Foundation
Texas · 2024
General fund1$20,000
Strypemonde Foundation
New York · 2024
General purposes1$15,000
Alson Foundation Fka the Neil Barsky and Joan S Davidson Foundation
New York · 2025
General1$10,000
The Charles Spear Charitable Foundation
New York · 2025
Charitable1$10,000
John Sperling Foundation
Arizona · 2024
For general support1$10,000
Sustainable Futures Fund
California · 2024
Support civic information1$10,000
The John A Moran Charitable Trust
Florida · 2025 · accepts applications
Unrestricted contribution1$10,000
The Shanbrom Family Foundation
California · 2025 · accepts applications
Educational grant1$10,000
Children Count Foundation
Washington · 2024
Education1$9,000
Ridge Road Foundation
Washington · 2025 · accepts applications
Contribution to be used for charitable purposes1$7,500
Valhalla Foundation
California · 2024
General support - public interest media1$6,300
The Altschul Foundation
New York · 2024
General charitable,benevolent, scientific& educational purposes1$6,000
The George & Wilma Leonard Charitable Foundation
California · 2025
Eleemosynary1$6,000
Dunn Family Charitable Foundation
Massachusetts · 2024
Unrestricted gift1$5,000
The Rice Family Foundation
New York · 2025
General support1$5,000
David & Candace Weir Foundation
New York · 2024
General charitable needs1$5,000
Ka Zankel Foundation
New York · 2024
General support1$5,000
Rick and Susan Goings Foundation
New York · 2024
General exempt purpose1$5,000
The Howard and Sarah D Solomon Foundation
New York · 2025
General support1$5,000
Leon Levy Foundation
New York · 2024
General support1$5,000
The Reis Foundation Inc
Maryland · 2024
General Support1$5,000
Cooper E Etal Ttees C-S Fam Fdn-Agy
Pennsylvania · 2024 · accepts applications
General operating1$5,000
The Robert E Gallagher Charitable Trust
Illinois · 2024
General1$5,000
Eric Anderson Foundation
Washington · 2024
General support1$5,000
Fred Craves Family Foundation
California · 2024
No specific purpose1$5,000
Westwind Foundation
Connecticut · 2024
To fund operating needs1$5,000
Gipson Family Foundation
North Carolina · 2025 · accepts applications
General activities1$5,000
The Wanda Bobowski Fund
California · 2024
General Support1$5,000
Wisdom for the World Inc
Florida · 2024
To Further Education1$5,000
The Fred & Charlotte Parrill Foundation
Texas · 2024 · accepts applications
Provide financial support on operation1$4,000
Graves Technologies Foundation
Arizona · 2024
Charitable, educational & scientific1$4,000
The Fine and Greenwald Foundation
Florida · 2024
Media1$3,000
The Nord Family Foundation
Ohio · 2024 · accepts applications
Grant for match1$3,000
Sumner Roy Kates Charitable Trust
Massachusetts · 2025
General fund1$3,000
Mark and Victoria Drozdov Foundation
New York · 2025
Charitable purposes1$3,000
Charles M & Gloria Parrish Foundation
Washington · 2024
N/a1$3,000
Hazard Family Foundation
Massachusetts · 2024
Unrestricted1$2,500
Panwy Foundation Inc
Connecticut · 2024
Charitable donation1$2,500
Dennis and Pamela Mudd Charitable Foundation
California · 2024 · accepts applications
Charitable1$2,500
The William & Flora Hewlett Foundation
California · 2024 · accepts applications
Matching gift of staff and board members1$2,400
The Stolper Family Foundation
Texas · 2024
To further charitable purposes1$2,040
Syncopation Foundation
New York · 2024
General use1$2,040
The Franz W Sichel Foundation
Massachusetts · 2024
General operating purposes1$2,000
Tao Jones Charitable Foundation Inc
Florida · 2024
General support1$2,000
Offerdahl Family Foundation
Nevada · 2025
The mission of the wikimedia foundation is to empower and engage people around the world to collect and develop educational content under a free license or in the public domain, and to disseminate it effectively and globally.1$2,000
Leibowitz and Greenway Family Charitable Foundation
New York · 2024
Unrestricted1$2,000
Shoba Foundation
Tennessee · 2025
Donation1$2,000
Verizon Foundation
New Jersey · 2024
Other civic / community2$1,700
Linda P & Edward P Williams Family Foundation
Virginia · 2025
General1$1,500
The Shack Sackler Foundation
New York · 2024
Unrestricted1$1,500
Marian L Freeman Foundation
Illinois · 2025
To further the exempt purpose of the recipient.1$1,464
Gavlin Family Foundation
Illinois · 2025
General assistance1$1,254
Sympraxis
North Carolina · 2023
Annual giving1$1,100
The Kyra Gebhardt Charitable Foundation
Oklahoma · 2024
General Support1$1,100
Susan and Elihu Rose Foundation Inc
New York · 2024
General operating support1$1,040
Ralph & Marsha Guggenheim Family Foundation
California · 2025
General Support1$1,040
Amateur Radio Digital Communications
California · 2025
The nonprofit wikimedia foundation provides the essential infrastructure for free knowledge. We host wikipedia, the free online encyclopedia, created, edited, and verified by volunteers around the world, as well as many other vital community projects.1$1,040
The Williamson Foundation
Texas · 2025
For the orgs chartiable purpose1$1,040
The Scarbro Family Foundation
Massachusetts · 2025
General fund1$1,000
The Kite Key Foundation
California · 2025
General operating support1$1,000
Middle Road Foundation
New York · 2024
General purpose1$1,000
Henry C & Karin J Barkhorn Foundation
New York · 2025
General support1$1,000
Sandpiper Fund Inc
New York · 2025
To further donee's exempt purpose1$1,000
The Zausner Foundation Inc
New York · 2025
General support1$1,000
Ripples A Not-For-Profit Corporati
Illinois · 2025
Charitable1$1,000
Brown and Kunze Foundation
Ohio · 2024
General1$1,000
The Hamilton Foundation
New York · 2025
General support1$1,000
The Medway Charitable Trust
Maryland · 2025
Program support1$1,000
Litow Family Foundation
Delaware · 2024
Financial support1$1,000
Berger Family Foundation
New York · 2024
For charitable purpose of organization1$1,000
Ballard Miller Foundation
Utah · 2025
General support1$1,000
Zamichow Jabs Foundation
California · 2024
Charitable1$1,000
Pope-Brown Foundation
South Carolina · 2025 · accepts applications
Charitable1$1,000
Michael and Chandra Rudd Foundation Inc
Florida · 2024 · accepts applications
Support people and technology with delivering reliable information to the world1$1,000
Johnson and Louise H Clark Charitable Foundation
California · 2023
To encourage growth, development and distribution of free, multilingual, educational content and provide full content of wiki-based projects to public free of charge.1$1,000
The Hallick Family Foundation
Illinois · 2024
General support1$1,000
Weller Investment Company
Colorado · 2025
Aid to community1$1,000
Singal Family Foundation
Virginia · 2025
Cash contribution for support1$1,000
JK Family Foundation
Nevada · 2024
To support Wikimedia its sister projects and the Wikimeida community to help the world share in free knowlege.1$600
Shimmersky Foundation
California · 2023
Public charitable purposes.1$520
Highland Avenue Foundation
New Jersey · 2025
Charitable1$520
Marvin M Tenberg Charitable Foundation
Florida · 2025 · accepts applications
Provide knowledge free to the world1$520
Bridging Nations Foundation
Colorado · 2025 · accepts applications
Education/Social1$501

Amounts are grants paid as each foundation reported them. Names are matched across filings, so a grant written under a different name for the same organization may be missing.

Using this list

A foundation that already gives to Wikimedia Foundation gives in its field and region, so the list doubles as a prospect list for similar organizations in San Francisco. Open a foundation to see its application rules, typical grant and every other grant it paid.

Questions people ask

Who funds Wikimedia Foundation?

Alfred P Sloan Foundation, The Rockefeller Foundation, Foundation for A Better World Inc, Kaphan Foundation and Hfo Foundation, and 190 more, according to their IRS Form 990-PF filings.

How much does Wikimedia Foundation get from foundations?

$2.5 million in 201 reported grants from 195 private foundations in tax years 2023 to 2025. Government grants and gifts from individuals are not included.

Which of these funders accept applications?

Alfred P Sloan Foundation, The John A Moran Charitable Trust, The Shanbrom Family Foundation, Ridge Road Foundation and Cooper E Etal Ttees C-S Fam Fdn-Agy say in their filings that they accept applications.

Other funded organizations in San Francisco