Yoon Family Foundation

Private foundation · Grantmaker Santa Clara, CA EIN: 46-3985095

Yoon Family Foundation is a private foundation focused on Health, based in Santa Clara, CA. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $353K in total assets. In 2025, it awarded 3 grants totaling $43K. Net investment income was $1K.

Yoon Family Foundation at a glance

In short: Yoon Family Foundation gave $43K across 3 grants in 2025 (avg $14K), mostly in California. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$42,539
-27.6% vs 2024
Grants made (2025)
3
-25.0% vs 2024
Average grant
$14,180
-3.5% vs 2024
Median grant
$8,185
Total assets
$353,319
-34.0% vs 2024
Primary geography
California (81% 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 Yoon Family Foundation funds

How this funder distributes its grants

Top Recipients

Top 3 recipients in 2025

Kepc: $30KKepc$30KCompassion International: $8KCompassion International$8KOpen Door Mission Society: $5KOpen Door Mission Society$5K

The largest 2025 recipient was Kepc ($30K). Together the top 3 received $43K.

Grant Size Distribution

29 grants across all recorded years

29<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 29 grants of 29 (100%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

7states

Share of 2025 grant dollars across all 3 itemized grants.

Cities

San JoseColorado SpringsFremontNew YorkSanta ClaraAtlantaCharlottesvilleDavisHoustonMountain ViewNew OrleansSan DiegoSanta BarbaraSunnyvale

How Yoon Family Foundation gives

  • Giving fell 20% from 2022 to 2025. Method
  • In 2025 it paid out 240% of its IRS minimum distribution (the 5% rule). 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

$0$20K$40K$60K5 grants2020 7 grants2021 9 grants2022 6 grants2023 4 grants2024 3 grants2025

From 2020 to 2025, annual grant giving ranged from $43K (2025) to $59K (2024). In 2025 it made 3 grants totaling $43K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Kepc San Jose, CACharitable Contribution$29,754
Compassion International Colorado Springs, COCharitable Contribution$8,185
Open Door Mission Society Fremont, CACharitable Contribution$4,600
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2025$353,319$-129,471$52,378$42,5393$52,378$1,285$21,782
2024$535,168$13,864$71,204$58,7644$71,204$1,005$27,755
2023$592,508$15,092$53,688$48,9386$53,688$15$30,060
2022$631,104$-5,020$54,108$53,4839$54,108$5$32,538
2021$690,232$20,740$60,926$52,5927$60,926$1$34,980
2020$730,266$48,867$51,117$44,5115—$9,631$35,891

Under IRS private-foundation payout rules, Yoon Family Foundation reported a distributable amount of $22K for 2025 — the minimum it must pay out in qualifying distributions.

Leadership & Key People

Officers and directors from IRS filings

Yoon Family Foundation is led by Sung Soo Yoon, CEO on every filing since 2020; none of the 2 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Sung Soo Yoon

    CEO

    On filings since 2020

    2 hrs/week

    No compensation reported

  • Jung Mi Yoon

    CFO

    On filings since 2020

    2 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 Yoon Family Foundation

How much does Yoon Family Foundation give each year?

Yoon Family Foundation gave $43K across 3 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $59K across 4 grants.

What is Yoon Family Foundation's typical grant size?

Yoon Family Foundation's median grant in 2025 was $8,185, and its average grant was $14,180, across 3 grants on its 2025 IRS Form 990-PF.

Where does Yoon Family Foundation give grants?

Yoon Family Foundation gives mostly in California: 81% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was Colorado (19%).

How large is Yoon Family Foundation?

Yoon Family Foundation reported $353K in total assets on its 2025 IRS Form 990-PF. It paid out $52K in qualifying distributions that year, against a required minimum of $22K (roughly 5% of its investment assets).

What is Yoon Family Foundation?

Yoon Family Foundation is a private foundation focused on Health, based in Santa Clara, CA. It holds $353K in total assets as of 2025.

What is Yoon Family Foundation's EIN?

Yoon Family Foundation's EIN (Employer Identification Number) is 46-3985095. 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

(6)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2020 (received by the IRS May 17, 2021)
  2. Updated Form 990-PF for fiscal year 2021 (received by the IRS May 14, 2022)
  3. Updated Form 990-PF for fiscal year 2022 (received by the IRS June 30, 2023)
  4. Updated Form 990-PF for fiscal year 2023 (received by the IRS May 13, 2024)
  5. Updated Form 990-PF for fiscal year 2024 (received by the IRS March 3, 2025)
  6. Added Form 990-PF for fiscal year 2025 (received by the IRS May 10, 2026)

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The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from Yoon 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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