Public Charity

WIKIMEDIA FOUNDATION INC

WIKIMEDIA FOUNDATION INC, of SAN FRANCISCO, CA, is a Public Charity tracked in Imperigo's IRS 990 database. The 2025 filing shows $205.4M in revenue, $189.7M in expenses, $310.8M in total assets. 369 publicly reported grants to this organization, totaling roughly $84.8M, appear in IRS filings.

EIN: 200049703 SAN FRANCISCO, CA Adult Education NTEE: B60 Latest filing: 2025
Total Revenue$205.4M
Total Expenses$189.7M
Total Assets$310.8M
Grant Records369
Funding Total$84.8M
Filing Years2021–2025

Mission

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. (SEE SCHEDULE O)IN COORDINATION WITH A NETWORK OF INDIVIDUAL VOLUNTEERS AND OUR INDEPENDENT MOVEMENT ORGANIZATIONS, INCLUDING RECOGNIZED CHAPTERS, THEMATIC ORGANIZATIONS, USER GROUPS, AND PARTNERS, THE FOUNDATION PROVIDES THE ESSENTIAL INFRASTRUCTURE AND AN ORGANIZATIONAL FRAMEWORK FOR THE SUPPORT AND DEVELOPMENT OF MULTILINGUAL WIKI PROJECTS AND OTHER ENDEAVORS WHICH SERVE THIS MISSION. THE FOUNDATION WILL MAKE AND KEEP USEFUL INFORMATION FROM ITS PROJECTS AVAILABLE ON THE INTERNET FREE OF CHARGE.

Sample Grants Received

2024
For grant recipient's exempt purposes
$3,448,487
2024
FOR ABSTRACT WIKIPEDIA, AI AND MACHINE LEARNING INFRASTRUCTURE, WIKIMEDIA COMMONS, AND WIKIDATA
$3,100,000
$2,621,550
$1,698,339
2024
FOR RECIPIENT'S EXEMPT PURPOSE
$950,752

Showing up to 5 of 369 total records — full history available with membership.

Officers & Directors

DEPUTY GENERAL COUNSEL Aeryn Palmer
CHIEF COMMUNICATIONS OFFICER Anusha Alikhan
TRUSTEE (BEG 12/2024) Christel Steigenberger
CHIEF PEOPLE OFFICER Courtney Bass Sherizen
TRUSTEE (THRU 01/25) Dariusz Jemielniak
PRINCIPAL INVESTMENT MANAGER Dhaval Patel

Officer compensation and complete director data available with membership.

Top Grant Purposes

For grant recipient's exempt purposes
$27,458,792 9 grants
GENERAL SUPPORT
$21,384,332 55 grants
EDUCATION
$6,645,575 29 grants
HEALTHY INDIVIDUALS AND COMMUNITIES
$4,298,620 2 grants
FOR RECIPIENT'S EXEMPT PURPOSE
$3,245,864 6 grants

Financial Trends

Year Revenue Expenses Assets
2025 $205.4M $189.7M $310.8M
2024 $185.4M $178.6M $286.8M
2023 $180.2M $168.3M $274.1M
2022 $167.9M $145.8M $251.0M
2021 $159.0M $111.7M $240.2M

Between 2021 and 2025, reported annual revenue grew from $159.0M to $205.4M (+29%), with total assets most recently reported at $310.8M.

Interactive year-over-year charts and full filing details available with membership.

See the full picture for WIKIMEDIA FOUNDATION INC

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