Wikimedia Endowment
The mission of the Wikimedia Endowment is to act as a permanent fund that can support in perpetuity the operations and activities of current and future wikimedia projects, which are projects that are approved by and advance the purposes of the wikimedia foundation or its successor if the wikimedia foundation ceases to exist. It aims to create a solid financial foundation for the future of wikimedia projects.
Wikimedia Endowment at a glance
In short: Wikimedia Endowment gave $3.1M across 1 grant in 2025 (avg $3.1M), mostly in California. Source: 2025 IRS Form 990.
- Annual giving (2025)
- $3,100,000
- +19.2% vs 2024
- Grants made (2025)
- 1
- +0.0% vs 2024
- Average grant
- $3,100,000
- +19.2% vs 2024
- Median grant
- $3,100,000
- Total assets
- $170,110,244
- +17.9% vs 2024
- Primary geography
- California (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated September 2026.
Who Wikimedia Endowment funds
How this funder distributes its grants
Top Recipients
Top recipient in 2025
The largest 2025 recipient was Wikimedia Foundation ($3.1M).
Grant Size Distribution
2 grants across all recorded years
The most common grant size was in the $1–5M range: 2 grants of 2 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of the 2025 grant dollars on its one itemized grant.
States
Cities
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2024 to 2025, annual grant giving ranged from $2.6M (2024) to $3.1M (2025). In 2025 it made 1 grant totaling $3.1M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Wikimedia Foundation San Francisco, CA | For abstract wikipedia, ai and machine learning infrastructure, wikimedia commons, and wikidata | $3,100,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2025 | $170,110,244 | $33,329,581 | $5,575,429 | $3,100,000 | 1 | $21,466,367 |
| 2024 | $144,325,622 | $132,018,206 | $4,985,017 | $2,600,000 | 1 | $2,412,407 |
About Wikimedia Endowment
Based on IRS filings
Wikimedia Endowment is a public charity, based in San Francisco, CA. IRS filing data is available from 2024 through 2025. As of 2025, the organization holds $170.1M in total assets. In 2025, it awarded 1 grant totaling $3.1M. Net investment income was $21.5M.
Focus Areas
Leadership & Key People
Officers and directors from IRS filings
Wikimedia Endowment is led by Lisa Seitz, President on every filing since 2024; none of the 14 officers listed in 2025 report compensation.
Officers on the 2025 filing
Lisa Seitz
President
On filings since 2024
12 hrs/week
No compensation reported
Annette Campbell-White
Chair
Director → Chair, 2025
On filings since 2024
3 hrs/week
No compensation reported
Alexander M. Farman-Farmaian
Director
On filings since 2024
1 hr/week
No compensation reported
Doron Weber
Director
On filings since 2024
2 hrs/week
No compensation reported
Jimmy Wales
Director
Chair → Director, 2025
On filings since 2024
1 hr/week
No compensation reported
Laura Duchatelet
Director
On filings since 2024
1 hr/week
No compensation reported
Lisa Lewin
Director
On filings since 2024
1 hr/week
No compensation reported
Mayree Clark
Director
On filings since 2024
2 hrs/week
No compensation reported
Michael Kim
Director
On filings since 2024
1 hr/week
No compensation reported
Patricio Lorente
Director
On filings since 2024
1 hr/week
No compensation reported
Peter Baldwin
Director
On filings since 2024
1 hr/week
No compensation reported
Phoebe Ayers
Director
On filings since 2024
2 hrs/week
No compensation reported
Dhaval Patel
Treasurer
On filings since 2024
28 hrs/week
No compensation reported
Charles Roslof
Secretary
New on the 2025 filing
1 hr/week
No compensation reported
Former officers (1)
- Former: Stephen Laporte (2024) — Secretary
Data from IRS Form 990 filings, 2024–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about Wikimedia Endowment
How much does Wikimedia Endowment give each year?
Wikimedia Endowment gave $3.1M across 1 grant in 2025, according to its 2025 IRS Form 990. In 2024 it gave $2.6M across 1 grant.
How large is Wikimedia Endowment?
Wikimedia Endowment reported $170.1M in total assets on its 2025 IRS Form 990. Its revenue that year was $33.3M.
Where does Wikimedia Endowment operate?
Wikimedia Endowment has awarded grants in California.
What is Wikimedia Endowment's EIN?
Wikimedia Endowment's EIN (Employer Identification Number) is 87-3024488. IRS Form 990 filing data is available on this page for 2024–2025.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Data update history
(3)
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2024 (received by the IRS May 15, 2026)
- Added Form 990 for fiscal year 2025 (received by the IRS May 15, 2026)
- IRS filings on file for fiscal year 2024
Explore Open Grants
Browse active grant opportunities in Wikimedia Endowment's focus areas in our free grants database
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More similar funders
More Funders in California
The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open
Figures come from Wikimedia Endowment's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
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