J-Cube Foundation
J-Cube Foundation is a private foundation, based in Cupertino, CA. IRS filing data is available from 2021 through 2025. As of 2025, the organization holds $150K in total assets. In 2025, it awarded 2 grants totaling $3K. Net investment income was $4K.
J-Cube Foundation at a glance
In short: J-Cube Foundation gave $3K across 2 grants in 2025 (avg $2K), mostly in California. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $3,400
- -0.7% vs 2024
- Grants made (2025)
- 2
- -33.3% vs 2024
- Average grant
- $1,700
- +48.9% vs 2024
- Median grant
- $1,700
- Total assets
- $149,744
- -0.5% vs 2024
- Primary geography
- California (94% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
Who J-Cube Foundation funds
How this funder distributes its grants
Top Recipients
Top 2 recipients in 2025
The largest 2025 recipient was First Morning Light Chinese Christi ($3K). Together the top 2 received $3K.
Grant Size Distribution
12 grants across all recorded years
The most common grant size was under $50K: 12 grants of 12 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 2 itemized grants.
Cities
How J-Cube Foundation gives
- Giving held roughly steady from 2022 to 2025 (−8%). Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2021 to 2025, annual grant giving ranged from $3K (2025) to $4K (2022). In 2025 it made 2 grants totaling $3K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| First Morning Light Chinese Christi Sunnyvale, CA | Charitable Donation | $3,200 |
| Samaritan's Purse Boone, NC | Charitable Donation | $200 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income |
|---|---|---|---|---|---|---|---|
| 2025 | $149,744 | $3,752 | $5,417 | $3,400 | 2 | $5,379 | $3,752 |
| 2024 | $150,504 | $2,718 | $6,312 | $3,425 | 3 | $6,310 | $2,718 |
| 2023 | $154,098 | $21,037 | $4,570 | $3,550 | 4 | $4,570 | $137 |
| 2022 | $137,631 | $20,010 | $5,540 | $3,700 | 2 | $5,540 | $10 |
| 2021 | $123,161 | $15,009 | $4,885 | $3,500 | 1 | — | $9 |
Leadership & Key People
Officers and directors from IRS filings
J-Cube Foundation is led by William Y. Jiang, CEO on every filing since 2021; none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
William Y. Jiang
CEO
On filings since 2021
8 hrs/week
No compensation reported
Jackie Y. Zhao
CFO & Secretary
On filings since 2021
8 hrs/week
No compensation reported
Data from IRS Form 990 filings, 2021–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about J-Cube Foundation
How much does J-Cube Foundation give each year?
J-Cube Foundation gave $3K across 2 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $3K across 3 grants.
How large is J-Cube Foundation?
J-Cube Foundation reported $150K in total assets on its 2025 IRS Form 990-PF. Its revenue that year was $4K.
Where does J-Cube Foundation operate?
J-Cube Foundation has awarded grants in California, District of Columbia, North Carolina.
What is J-Cube Foundation's EIN?
J-Cube Foundation's EIN (Employer Identification Number) is 80-0847349. IRS Form 990 filing data is available on this page for 2021–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2021–2025
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