Home / California / Tosa Foundation

Tosa Foundation

Grantmaking profile built from public IRS Form 990 filings.

LocationPortola Valley, California
Grants on file1,362
Total giving on file$759.4M
Typical grant size$558K
Most recent filing year2025
Cause focusGeneral grantmaking

What they fund

  • GENERAL PURPOSES
  • SEE STATEMENT 13
  • SEE STATEMENT 15
  • SEE STATEMENT 16
  • SEE STATEMENT 17

Largest recipients on file

RecipientStateGrantsTotal
University of Wisconsin FoundationWI9$198.7M
Fund for Wisconsin ScholarsWI8$144.0M
Fidelity Charitable Gift Fund - TaupoOH9$95.4M
Morgridge Institute for ResearchWI7$95.0M
Morgridge Institute FoundationWI2$50.0M
Stanford UniversityCA1$30.0M
Alverno CollegeWI9$20.0M
Milwaukee Public SchoolsWI9$18.7M
African Leadership FoundationNY7$15.0M
The Morgridge Family Foundation Co Foundation SourceDE3$12.0M

See more foundations in California or general grantmaking funders nationwide.

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