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Wikimedia Endowment

EIN 87-3024488 · San Francisco, CA

Public records show a registered, tax-exempt organization in good standing.

LegitimacyPassesRegistration and standingFinancial healthFair54 out of 100GovernanceStrong100 out of 100Impact evidenceDescribes programsHow well its results are evidenced

What it says it does

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.

Income
$33.3 million
Spending
$5.6 million
Spent on programs
66%
Reserves
0.7 months of spending
Largest source of income
investment income, 64%
Employees
0
Volunteers
14

Source: Form 990 for the year ending June 30, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Financial health

Fair: 54 out of 100. Higher than 11% of charities in its peer group (philanthropy, $10m to $100m).

  • Reserves

    4 of 35

    Spendable reserves would cover 0.7 months of spending.

  • Debt

    20 of 20

    It owes 0% of what it owns.

  • Living within its means

    15 of 15

    Income exceeded spending by 83% of income.

  • Income trend

    0 of 15

    Income fell 75% on the year before.

  • Spending floor

    15 of 15

    66% of spending went to programs and raising each dollar of donations cost 9 cents.

Source: Form 990 for the year ending June 30, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Governance

Strong: 100 out of 100. Higher than 37% of charities in its peer group (philanthropy, $10m to $100m).

  • Independent board

    25 of 25

    11 of 11 voting board members are independent.

  • Conflict of interest policy

    15 of 15

    Has a written conflict of interest policy.

  • Whistleblower policy

    8 of 8

    Has a written whistleblower policy.

  • Record keeping policy

    7 of 7

    Has a written policy on keeping and destroying records.

  • Board minutes

    5 of 5

    Keeps minutes of board meetings.

  • Board sees the tax return

    10 of 10

    Gave the board a copy of this return before filing it.

  • Independent check of accounts

    15 of 15

    Its accounts were audited by an independent accountant.

  • No reported misuse

    10 of 10

    Reports no diversion of assets, excess benefits or loans to insiders.

Source: Form 990 for the year ending June 30, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Impact evidence

Describes programs. Its tax return describes what it does but we have found no measurable results in it.

Programs described in its return (1)
  1. $3.7 million spent. 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.

Source: Form 990 for the year ending June 30, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Legitimacy checks

  1. Is it registered with the IRS? Passed.

    Listed in the IRS master file of tax-exempt organizations as a 501(c)(3) charitable organization.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated September 7, 2026.

  2. Has the IRS revoked its tax-exempt status? Passed.

    Not on the IRS automatic revocation list.

    Source: Automatic revocation of exemption list, Internal Revenue Service, file dated September 30, 2026.

  3. Are donations tax-deductible? Passed.

    On the IRS list of organizations eligible to receive tax-deductible contributions.

    Source: Publication 78 data: organizations eligible for tax-deductible contributions, Internal Revenue Service, file dated September 10, 2026.

  4. Is it keeping up with its IRS filings? Passed.

    Most recent return on file covers the year ending June 2025.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated September 7, 2026.

  5. How long has it been tax-exempt? Passed.

    Recognized by the IRS since June 2022.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated September 7, 2026.

  6. Is it in good standing with state regulators? Passed.

    Not on California's list of charities barred from soliciting. Other states are not yet checked.

    Source: May Not Operate or Solicit for Charitable Purposes list, California Attorney General, Registry of Charities and Fundraisers, file dated October 7, 2026.

Ratings and checks are our reading of public records, using the published method. They are not a statement about anyone's honesty. If you work for this organization, you can send corrections or results, confirm you want gifts through Veridonate, or ask to be removed from giving.