CK Family Foundation
CK Family Foundation is a private foundation, based in Sunnyvale, CA. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $891K in total assets. In 2025, it awarded 4 grants totaling $25K. Net investment income was $84K.
CK Family Foundation at a glance
In short: CK Family Foundation gave $25K across 4 grants in 2025 (avg $6K), mostly in California. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $25,000
- -56.2% vs 2024
- Grants made (2025)
- 4
- -33.3% vs 2024
- Average grant
- $6,250
- -34.3% vs 2024
- Median grant
- $5,000
- Total assets
- $890,692
- -8.0% vs 2024
- Primary geography
- California (100% 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 CK Family Foundation funds
How this funder distributes its grants
Top Recipients
Top 4 recipients in 2025
The largest 2025 recipient was San Francisco Operal House ($10K). Together the top 4 received $25K.
Grant Size Distribution
28 grants across all recorded years
The most common grant size was under $50K: 28 grants of 28 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 4 itemized grants.
States
Cities
How CK Family Foundation gives
- Giving fell 27% from 2022 to 2025. Method
- In 2025 it paid out 65% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. 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 2020 to 2025, annual grant giving ranged from $19K (2023) to $110K (2020). In 2025 it made 4 grants totaling $25K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| San Francisco Operal House San Francisco, CA | General Support | $10,000 |
| Shoucheng Zhang Foundation Stanford, CA | General Support | $5,000 |
| CA Lyric Artists Association San Jose, CA | General Support | $5,000 |
| Sevenson School Pebble Beach, CA | General Support | $5,000 |
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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 | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $890,692 | $84,333 | $24,850 | $25,000 | 4 | $28,180 | $84,333 | $43,128 |
| 2024 | $968,351 | $43,523 | $63,313 | $57,050 | 6 | $60,873 | $43,523 | $47,058 |
| 2023 | $933,685 | $29,271 | $21,773 | $18,500 | 8 | $21,773 | $29,271 | $40,622 |
| 2022 | $740,100 | $-26,556 | $163,957 | $34,300 | 6 | $38,187 | $3,724 | $44,476 |
| 2021 | $1,103,949 | $251,985 | $103,117 | $56,100 | 4 | — | $250,278 | $30,331 |
| 2020 | $883,278 | $22,857 | $181,231 | $110,000 | 4 | — | $15,646 | $47,647 |
Under IRS private-foundation payout rules, CK Family Foundation reported a distributable amount of $43K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
CK Family Foundation is led by Michael Sun, CEO on every filing since 2020; none of the 3 officers listed in 2025 report compensation.
Officers on the 2025 filing
Michael Sun
CEO
On filings since 2020
5 hrs/week
No compensation reported
Charlie C. Sun
CFO
On filings since 2020
5 hrs/week
No compensation reported
Mary Wang
Secretary
On filings since 2020
5 hrs/week
No compensation reported
Data from IRS Form 990 filings, 2020–2025. "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 CK Family Foundation
How much does CK Family Foundation give each year?
CK Family Foundation gave $25K across 4 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $57K across 6 grants.
What is CK Family Foundation's typical grant size?
CK Family Foundation's median grant in 2025 was $5,000, and its average grant was $6,250, across 4 grants on its 2025 IRS Form 990-PF.
Where does CK Family Foundation give grants?
CK Family Foundation gives mostly in California: 100% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there.
Does CK Family Foundation give general operating support?
Yes: 100% of CK Family Foundation's 2025 grants with a stated purpose (4 of 4) were for general or operating support, per its 2025 IRS Form 990-PF.
How large is CK Family Foundation?
CK Family Foundation reported $891K in total assets on its 2025 IRS Form 990-PF. It paid out $28K in qualifying distributions that year, against a required minimum of $43K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.
What is CK Family Foundation's EIN?
CK Family Foundation's EIN (Employer Identification Number) is 45-4005757. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2020 (received by the IRS October 15, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS October 15, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS October 3, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS October 15, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS October 15, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS March 5, 2026)
- IRS filings on file for fiscal years 2020–2025
Explore Open Grants
Browse active grant opportunities in CK Family Foundation's focus areas in our free grants database
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Figures come from CK Family Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
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