C-sil is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in SAN JOSE, CA. IRS filing data is available from 2021 through 2024. As of 2024, the organization holds $251K in total assets. In 2024, it awarded 5 grants totaling $55K. Net investment income was $58K.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$251K
+164.4% YoY
Annual Giving
$55K
+51.9% YoY
Grant Count
5
+25.0% YoY
Avg Grant Size
$11K
+21.5% YoY
Under IRS private-foundation payout rules, C-sil reported a distributable amount of $94K for 2024 — the minimum it must pay out in qualifying distributions.
About C-sil
Based on IRS filings
C-sil is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in SAN JOSE, CA. IRS filing data is available from 2021 through 2024. As of 2024, the organization holds $251K in total assets. In 2024, it awarded 5 grants totaling $55K. Net investment income was $58K.
Focus Areas
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $251,123 | $94,969 | $103,254 |
| Revenue | $6,490 | $-9,088 | $-43,015 |
| Expenses | $66,838 | $49,644 | $19,055 |
| Qualifying Distributions | $66,820 | $49,644 | $18,961 |
| Net Investment Income | $57,554 | $4,954 | $2,115 |
| Distributable Amount | $93,899 | $66,140 | $39,074 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 5 recipients in 2024
Grant Size Distribution
16 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2024 grants, the largest include Buddist Tzu Chi Foundation (EIN 94-2952782) ($22,000), Cancer Research Institute (EIN 13-1837442) ($22,000), Cornell University (EIN 15-0532082) ($10,000).
| Recipient | Purpose | Amount |
|---|---|---|
| Buddist Tzu Chi Foundation (EIN 94-2952782) San Jose, CA | Diaster relief community aide | $22,000 |
| Cornell University (EIN 15-0532082) Ithaca, NY | Education research | $10,000 |
| Cancer Research Institute (EIN 13-1837442) New York, NY | Scientific research | $22,000 |
| Pancreas Cancer Action Network (EIN 33-0841281) Manhattan Beach, CA | Scientific research community aide | $258 |
| California Academy of Scientific (EIN 94-1156258) San Francisco, CA | Education conservation | $732 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| STEVE CHIOU | CEO | 2.8 | — |
| LAI LING CHIOU | SFO Secretary | 0.5 | — |
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What is C-sil?
C-sil is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in SAN JOSE, CA. It holds $251K in total assets as of 2024.
How large is C-sil?
As of 2024, C-sil holds $251K in total assets with $6K in annual revenue. It awarded 5 grants totaling $55K in 2024.
Where does C-sil operate?
C-sil has awarded grants in California, New York.
What size grants does C-sil award?
In 2024, C-sil awarded 5 grants totaling $55K — an average of about $11K per grant, based on its IRS Form 990 filings.
How much is C-sil required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2024, C-sil reported a distributable amount of $94K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is C-sil's EIN?
C-sil's EIN (Employer Identification Number) is 30-0452863. IRS Form 990 filing data is available on this page for 2021–2024.
Explore Open Grants
Browse active grant opportunities in C-sil's focus areas in our free grants database
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.
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