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. 377 publicly reported grants to this organization, totaling roughly $87.8M, 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 Records377
Funding Total$87.8M
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.

Where $100 goes at Wikimedia Foundation Inc

How Wikimedia Foundation Inc divides every $100 it spends, from its own Form 990 filings, averaged across 9 years.

$76 Programs the work itself
$13 Management running the organization
$11 Fundraising raising the next dollar

Inside the $76 for programs

$45
Technology
59% of program spending
$31
Support for volunteers
41% of program spending
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Source: Form 990 filings with the IRS, latest fiscal year 2025. Shares are from the organization's reported expenses. Data by Imperigo; not affiliated with the IRS.

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

General Support
$68,616,075 274 grants
Education
$7,201,161 46 grants
Health & Medicine
$4,298,620 2 grants
Human & Social Services
$307,244 8 grants
Arts & Culture
$295,472 12 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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