Private foundation (trust)EIN 943165171Est. 1992-12
TOSA FOUNDATION
PORTOLA VALLEY, CA 94028
Total Assets
$391.6M
FY 2024
Annual Giving
$129.8M
FY 2024
Grants Made
116
FY 2024
Avg Grant
$1.1M
FY 2024
Grant Range
$10–$29.3M
Typical
Deadlines
—
Applications
Focus Areas
Financial Snapshot
2024 filing
Total Revenue
$52.6M
Total Expenses
$130.9M
Qualifying Distributions
$103.0M
Distributable Amount
$19.3M
Min. Investment Return
$20.0M
Payout rate
Qualifying distributions as a share of distributable amount.
Grant Range
116 grants
Logarithmic scale — typical grant portfolios span orders of magnitude, so distances are proportional to multiplicative change, not dollar gaps.
Giving Over Time
4 years
Total dollars recorded per filing year. Scale adjusts to the foundation's range.
Top Recipients
500 grants
Grant Size Distribution
500 grants
Geographic Focus
32 states
+22 more states
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