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Nonprofit · EIN 87-3024488

WIKIMEDIA ENDOWMENT

Tax-exempt · SAN FRANCISCO, CA 94104

Financials

$132M$5M2023$33.3M$5.6M2024
Revenue Expenses · by fiscal year end
Financials of WIKIMEDIA ENDOWMENT by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
June 30, 2025990$33,329,581$5,575,429$27,754,152$170,110,244$702,431$169,407,813
June 30, 2024990 (amended)$132,018,206$4,985,017$127,033,189$144,325,622$0$144,325,622
Financial details: 990 for the year ended June 30, 2025

Revenue

Contributions, gifts and grants
$11,863,214
Program service revenue
$0
Investment income
$21,466,367
Net gain from sales of assets
$17,777,561
Other revenue
$0

Expenses

Grants and similar amounts paid
$3,396,880
Salaries, compensation and benefits (total)
$0
Professional fundraising fees
$0
Legal fees
$6,062
Accounting fees
$39,950
Travel
$24,730
Program services (functional)
$3,679,208
Management and general (functional)
$770,207
Fundraising (functional)
$1,126,014

Balance sheet and other

Total assets, start of year
$144,325,622
Total assets, end of year
$170,110,244
Total liabilities, end of year
$702,431
Net assets, end of year
$169,407,813
Publicly traded securities
$149,959,592
Net assets without donor restrictions
$306,259
Net assets with donor restrictions
$169,101,554
Gross receipts
$83,536,093
Employees
0
Volunteers
14
Year formed
2021
State of legal domicile
CA

From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.

Officers, directors and key employees

As listed on the 990 for the year ended June 30, 2025, highest compensation first.

NameTitleHours / weekCompensation
ANNETTE CAMPBELL-WHITEChair
Trustee or director, Officer
3$0
ALEXANDER M FARMAN-FARMAIANDIRECTOR
Trustee or director
1$0
DORON WEBERDIRECTOR
Trustee or director
2$0
JIMMY WALESDirector
Trustee or director
1$0
LAURA DUCHATELETDIRECTOR
Trustee or director
1$0
LISA LEWINDIRECTOR
Trustee or director
1$0
MAYREE CLARKDIRECTOR
Trustee or director
2$0
MICHAEL KIMDIRECTOR
Trustee or director
1$0
PATRICIO LORENTEDIRECTOR
Trustee or director
1$0
PETER BALDWINDIRECTOR
Trustee or director
1$0
PHOEBE AYERSDIRECTOR
Trustee or director
2$0
Charles RoslofSecretary
Officer
1$0
DHAVAL PATELTREASURER
Officer
28$0
Lisa SeitzPresident
Officer
12$0
990 for the year ended June 30, 2024: 14 people
NameTitleHours / weekCompensation
Jimmy WalesChair
Trustee or director, Officer
3$0
Alexander M Farman-FarmaianDirector
Trustee or director
1$0
Annette Campbell-WhiteDirector
Trustee or director
1$0
Doron WeberDirector
Trustee or director
2$0
Laura DuchateletDirector
Trustee or director
1$0
Lisa LewinDirector
Trustee or director
1$0
Mayree ClarkDirector
Trustee or director
2$0
Michael KimDirector
Trustee or director
1$0
Patricio LorenteDirector
Trustee or director
1$0
Peter BaldwinDirector
Trustee or director
1$0
Phoebe AyersDirector
Trustee or director
2$0
Dhaval PatelTreasurer
Officer
28$0
Lisa SeitzPresident
Officer
12$0
Stephen LaporteSecretary
Officer
1$0

Address and contacts

Address (IRS master file)
1 SANSOME ST STE 1895, SAN FRANCISCO, CA 94104-4432
Mailing address (990-N for 2022)
1 Montgomery Street Suite 1600, San Francisco CA 94104
Principal officer (990 for 2024)
DHAVAL PATEL, 1 SANSOME STREET SUITE 1895, SAN FRANCISCO, CA 94104
Principal officer (990-N for 2022)
Lisa Seitz Gruwell, 1 Montgomery Street Suite 1600, San Francisco CA 94104
Signed the 990
Dhaval Patel, Treasurer
Phone
(415) 839-6885
Return prepared by
BDO USA

California records

California keeps its own records of charities and corporations. Search them by EIN 87-3024488 or by the name WIKIMEDIA ENDOWMENT.

Attorney General, Registry of Charities and Fundraisers
Registration status and filed reports (CT-TR-1, RRF-1)

Mission

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.

990 for the year ended June 30, 2025

Program accomplishments

  • THE WIKIMEDIA ENDOWMENT PROVIDES FUNDING TO SUPPORT THE OPERATIONS AND ACTIVITIES OF WIKIMEDIA PROJECTS. IN FISCAL YEAR 2024-2025, THE FUNDING FOCUSED ON PROVIDING FINANCIAL SUPPORT FOR TECHNICAL INNOVATION IN THE WIKIMEDIA PROJECTS.
    Expenses $3,679,208 · grants $3,396,880

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in June, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025June 30, 2026November 16, 2026Not due yet
2024June 30, 2025November 17, 2025990 on file
2023June 30, 2024November 15, 2024990 on file

IRS record

EIN
87-3024488
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2022
Accounting year ends
June
Files
Form 990 or 990-EZ
Assets (IRS master file)
$170,110,244
Income (IRS master file)
$83,536,093

Filing history

FormYear endedRevenueExpensesAssetsReturn
990June 2025$33,329,581$5,575,429$170,110,244IRS
990June 2024$132,018,206$4,985,017$144,325,622IRS
990-N for 2022
Officer: Lisa Seitz Gruwell
June 30, 2023≤ $50,000 receipts––e-Postcard

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 87-3024488).

Questions about WIKIMEDIA ENDOWMENT

What is the EIN of WIKIMEDIA ENDOWMENT?
The employer identification number (EIN) of WIKIMEDIA ENDOWMENT is 87-3024488.
Is WIKIMEDIA ENDOWMENT tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2022.
Are donations to WIKIMEDIA ENDOWMENT tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does WIKIMEDIA ENDOWMENT file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of WIKIMEDIA ENDOWMENT due?
The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did WIKIMEDIA ENDOWMENT last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended June 2025.
Who is the principal officer of WIKIMEDIA ENDOWMENT?
The 990 for the year ended June 30, 2025 names DHAVAL PATEL.
Who are the officers and directors of WIKIMEDIA ENDOWMENT?
The 990 for the year ended June 30, 2025 lists 14 people; 0 received compensation from the organization.
How much revenue does WIKIMEDIA ENDOWMENT have?
On its 990 for the year ended June 30, 2025 it reported revenue of $33,329,581, expenses of $5,575,429 and total assets of $170,110,244 at year end.

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