Hiro Watanabe Foundation

Private foundation · Grantmaker City of Industry, CA EIN: 47-1672683

Hiro Watanabe Foundation is a private foundation, based in City of Industry, CA. IRS filing data is available from 2019 through 2024. In 2024, it awarded 3 grants totaling $517K. Net investment income was $205K.

Hiro Watanabe Foundation at a glance

In short: Hiro Watanabe Foundation gave $517K across 3 grants in 2024 (avg $172K), mostly in Pennsylvania. Source: 2024 IRS Form 990-PF.

Annual giving (2024)
$517,278
+7039.8% vs 2023
Grants made (2024)
3
-62.5% vs 2023
Average grant
$172,426
+18939.4% vs 2023
Median grant
$2,000
Primary geography
Pennsylvania (100% of itemized 2024 grant dollars)
Latest 990 filing
Form 990-PF, 2024 View filing

Data from IRS Form 990-PF, 2024; updated September 2026.

Who Hiro Watanabe Foundation funds

How this funder distributes its grants

Top Recipients

Top 3 recipients in 2024

National Philanthropic Trust: $515KNational Philanthropic Trust$515KJapanese Prefectural Assn of Southe: $2KJapanese Prefectural Assn ofSouthe$2KJapanese American National Museum: $500Japanese American NationalMuseum$500

The largest 2024 recipient was National Philanthropic Trust ($515K). Together the top 3 received $517K.

Grant Size Distribution

30 grants across all recorded years

29<$50K$50–100K$100–250K$250–500K1$500K–1M$1–5M$5M+

The most common grant size was under $50K: 29 grants of 30 (97%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

6states

Share of 2024 grant dollars across all 3 itemized grants.

Cities

Los AngelesBethesdaDuarteSeattleTampaCity of IndustryFullertonEsconditoGamercoJenkintownNorth TustinStudio CityTorrance

How Hiro Watanabe Foundation gives

  • Giving grew 2029% from 2021 to 2024. Method
  • In 2023 it paid out 48% 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

$0$200K$400K$600K9 grants2019 1 grant2020 9 grants2021 9 grants2022 8 grants2023 3 grants2024

From 2019 to 2024, annual grant giving ranged from $3K (2020) to $517K (2024). In 2024 it made 3 grants totaling $517K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
National Philanthropic Trust Jenkintown, PAGeneral Fund$514,778
Japanese Prefectural Assn of Southe North Tustin, CAGeneral Fund$2,000
Japanese American National Museum Los Angeles, CAEducation, Publications, Conservation.$500
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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
2024—$216,734$529,121$517,2783$529,121$204,900—
2023$312,387$6,897$10,416$7,2458$10,416$6,897$21,755
2022$315,906$4,347$15,806$12,7709$15,806$3,209$21,363
2021$327,628$1,601$27,810$24,3009$27,810$1,601—
2020$353,574$81,371$8,398$3,2001—$81,371$15,802
2019$280,601$134,251$32,838$30,5009—$134,251$11,664

Leadership & Key People

Officers and directors from IRS filings

Hiro Watanabe Foundation is led by Hiro Watanabe, President on every filing since 2019 — the only officer listed, and uncompensated.

Officers on the 2024 filing

  • Hiro Watanabe

    President

    On filings since 2019

    1 hr/week

    No compensation reported

Data from IRS Form 990 filings, 2019–2024. "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 Hiro Watanabe Foundation

How much does Hiro Watanabe Foundation give each year?

Hiro Watanabe Foundation gave $517K across 3 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $7K across 8 grants.

What is Hiro Watanabe Foundation's typical grant size?

Hiro Watanabe Foundation's median grant in 2024 was $2,000, and its average grant was $172,426, across 3 grants on its 2024 IRS Form 990-PF.

Where does Hiro Watanabe Foundation give grants?

Hiro Watanabe Foundation gives mostly in Pennsylvania: 100% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there.

Does Hiro Watanabe Foundation give general operating support?

Yes: 67% of Hiro Watanabe Foundation's 2024 grants with a stated purpose (2 of 3) were for general or operating support, per its 2024 IRS Form 990-PF.

What is Hiro Watanabe Foundation's EIN?

Hiro Watanabe Foundation's EIN (Employer Identification Number) is 47-1672683. IRS Form 990 filing data is available on this page for 2019–2024.

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

  1. Updated Form 990-PF for fiscal year 2019 (received by the IRS July 31, 2020)
  2. Updated Form 990-PF for fiscal year 2020 (received by the IRS August 25, 2021)
  3. Updated Form 990-PF for fiscal year 2021 (received by the IRS November 2, 2022)
  4. Updated Form 990-PF for fiscal year 2022 (received by the IRS July 7, 2023)
  5. Updated Form 990-PF for fiscal year 2023 (received by the IRS November 14, 2024)
  6. Updated Form 990-PF for fiscal year 2024 (received by the IRS November 12, 2025)
  7. IRS filings on file for fiscal years 2019–2024

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

Figures come from Hiro Watanabe 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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