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Wikimedia Endowment

Public charity
Foundations · SAN FRANCISCO, CA · EIN 87-3024488

About

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Category
Foundations
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Financial Snapshot

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WIKIMEDIA ENDOWMENT
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Address

1 Sansome ST STE 1895
SAN Francisco, CA, 94104-443
Public records
ProPublica Nonprofit Explorer ↗
Full 990 PDFs going back to 2001, plus parsed financial extracts. The easiest place to read actual filings.
IRS Tax Exempt Organization Search ↗
IRS-side authoritative source. Confirms current exempt status and pulls the latest determination letter.
These open in a new tab. AllCiv doesn't host filings directly — these are the authoritative public-record sources.