Well Told Grants

Nonprofits / California

Who funds Wikipedia Foundation?

San Francisco, California

15 private foundations reported grants to Wikipedia Foundation in San Francisco, California totaling $7,146 across 15 grants in tax years 2024 to 2025. The largest funder was Rotberg Comens Booth Foundation, with $1,520.

From the funders' IRS Form 990-PF filings.

Foundations that fund Wikipedia Foundation

All 15 funders, by amount
FoundationPurpose givenGrantsAmount
Rotberg Comens Booth Foundation
Colorado · 2025
General1$1,520
Barbara A Stiefel Foundation Inc
Florida · 2024
Donation1$1,040
Chvatal-Keane Philanthropic Foundation
California · 2024
Support of operations1$1,040
Helen & William Mazer Foundation
New Jersey · 2024
Charitable purposes.1$1,000
Rucker Family Charitable Trust
Illinois · 2024
General1$520
David and Judy Shore Foundation Inc
California · 2024
Public Education Research1$500
Wei & Wang Family Foundation Inc
New York · 2024
Charitable1$312
The May Family Foundation
Colorado · 2024
General charitable purposes1$260
M B Ahmed Family Foundation
Texas · 2024
General1$250
The George Schwab and Leona Lauder Foundation
California · 2025
public information1$200
MIller Engel Family Foundation Irrv Tr
New Mexico · 2024
General Support1$200
Weinerman Foundation Inc
Connecticut · 2025 · accepts applications
Charitable contribution1$104
Pazala Foundation
California · 2024
Human health & welfare1$100
DL and LF Rikkers Family Foundation Inc
Wisconsin · 2025
Program support1$50
The Umbrella Foundation
California · 2024
Support the mission of the foundation1$50

Amounts are grants paid as each foundation reported them. Names are matched across filings, so a grant written under a different name for the same organization may be missing.

Using this list

A foundation that already gives to Wikipedia Foundation gives in its field and region, so the list doubles as a prospect list for similar organizations in San Francisco. Open a foundation to see its application rules, typical grant and every other grant it paid.

Questions people ask

Who funds Wikipedia Foundation?

Rotberg Comens Booth Foundation, Barbara A Stiefel Foundation Inc, Chvatal-Keane Philanthropic Foundation, Helen & William Mazer Foundation and Rucker Family Charitable Trust, and 10 more, according to their IRS Form 990-PF filings.

How much does Wikipedia Foundation get from foundations?

$7,146 in 15 reported grants from 15 private foundations in tax years 2024 to 2025. Government grants and gifts from individuals are not included.

Which of these funders accept applications?

Weinerman Foundation Inc says in their filings that they accept applications.

Other funded organizations in San Francisco