The Leon & Helen Weiner Foundation

Private foundation · Grantmaker Wilmington, DE EIN: 25-6666594

The Leon & Helen Weiner Foundation is a private foundation, based in Wilmington, DE. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $1.8M in total assets. In 2025, it awarded 9 grants totaling $123K. Net investment income was $74K.

The Leon & Helen Weiner Foundation at a glance

In short: The Leon & Helen Weiner Foundation gave $123K across 9 grants in 2025 (avg $14K), top state Delaware. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$123,000
+10.8% vs 2024
Grants made (2025)
9
-10.0% vs 2024
Average grant
$13,667
+23.1% vs 2024
Median grant
$10,000
Total assets
$1,805,839
-2.7% vs 2024
Primary geography
Delaware (37% 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 The Leon & Helen Weiner Foundation funds

How this funder distributes its grants

Top Recipients

Top 9 recipients in 2025

Ai Dupont Hospital: $38KAi Dupont Hospital$38KSpecial Operations Warrior Foundation: $21KSpecial Operations WarriorFoundation$21KArc of Chester County: $15KArc of Chester County$15KOccidental College: $11KOccidental College$11KCurears: $10KCurears$10KNightstalker Association: $10KNightstalker Association$10KVigilant Torch Association: $10KVigilant Torch Association$10KRodney Street Tennis and Tutoring: $5KRodney Street Tennis andTutoring$5KTri-State Bird Rescue & Research: $3KTri-State Bird Rescue &Research$3K

The largest 2025 recipient was Ai Dupont Hospital ($38K). Together the top 9 received $123K.

Grant Size Distribution

56 grants across all recorded years

56<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 56 grants of 56 (100%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

10states

Share of 2025 grant dollars across all 9 itemized grants.

Cities

WilmingtonLos AngelesTampaOak GroveWest ChesterRaritanAlexandriaKennett SquareNewarkWashingtonAtlantaDoverMerrifieldWailuku

How The Leon & Helen Weiner Foundation gives

  • Giving held roughly steady from 2022 to 2025 (−5%). Method
  • In 2025 it paid out 98% 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$50K$100K$150K14 grants2020 14 grants2021 13 grants2022 10 grants2023 10 grants2024 9 grants2025

From 2020 to 2025, annual grant giving ranged from $105K (2020) to $129K (2022). In 2025 it made 9 grants totaling $123K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Ai Dupont Hospital Wilmington, DEGeneral$38,000
Special Operations Warrior Foundation Tampa, FLGeneral$21,000
Arc of Chester County West Chester, PAGeneral$15,000
Occidental College Los Angeles, CAGeneral$11,000
Curears Raritan, NJGeneral$10,000
Nightstalker Association Oak Grove, KYGeneral$10,000
Vigilant Torch Association Alexandria, VAGeneral$10,000
Rodney Street Tennis and Tutoring Wilmington, DEGeneral$5,000
Tri-State Bird Rescue & Research Newark, DEGeneral$3,000
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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$1,805,839$108,193$158,066$123,0009$123,000$73,876$125,441
2024$1,855,712$77,417$143,190$111,00010$111,000$49,607$122,507
2023$1,921,485$328,629$148,019$121,00010$121,000$301,610$109,953
2022$1,740,875$76,516$158,317$129,00013$129,000$47,199$121,384
2021$1,822,676$234,008$136,998$108,00014—$205,010$128,423
2020$1,725,666$56,817$130,793$105,00014—$31,313$108,918

Under IRS private-foundation payout rules, The Leon & Helen Weiner Foundation reported a distributable amount of $125K for 2025 — the minimum it must pay out in qualifying distributions.

Leadership & Key People

Officers and directors from IRS filings

The Leon & Helen Weiner Foundation's 2025 filing lists 4 officers; none of the 4 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Hillary Lindsay Spruance

    Trustee

    On filings since 2020

    1 hr/week

    No compensation reported

  • Jan Noel Hey

    Trustee

    On filings since 2020

    1 hr/week

    No compensation reported

  • Jason Bartholomew Deleeuw

    Trustee

    On filings since 2020

    1 hr/week

    No compensation reported

  • Peter Bradford Deleeuw

    Trustee

    On filings since 2020

    1 hr/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 The Leon & Helen Weiner Foundation

How much does The Leon & Helen Weiner Foundation give each year?

The Leon & Helen Weiner Foundation gave $123K across 9 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $111K across 10 grants.

What is The Leon & Helen Weiner Foundation's typical grant size?

The Leon & Helen Weiner Foundation's median grant in 2025 was $10,000, and its average grant was $13,667, across 9 grants on its 2025 IRS Form 990-PF.

Where does The Leon & Helen Weiner Foundation give grants?

The Leon & Helen Weiner Foundation's top state is Delaware, with 37% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were Florida (17%) and Pennsylvania (12%). The most frequent recipient cities were Wilmington, DE (2 grants).

Does The Leon & Helen Weiner Foundation give general operating support?

Yes: 100% of The Leon & Helen Weiner Foundation's 2025 grants with a stated purpose (9 of 9) were for general or operating support, per its 2025 IRS Form 990-PF.

Who are The Leon & Helen Weiner Foundation's largest grantees?

The Leon & Helen Weiner Foundation's largest 2025 grantees include Ai Dupont Hospital ($38,000), Special Operations Warrior Foundation ($21,000) and Arc of Chester County ($15,000), according to its 2025 IRS Form 990-PF. Together they received 60% of its itemized 2025 grant dollars.

How large is The Leon & Helen Weiner Foundation?

The Leon & Helen Weiner Foundation reported $1.8M in total assets on its 2025 IRS Form 990-PF. It paid out $123K in qualifying distributions that year, against a required minimum of $125K (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 The Leon & Helen Weiner Foundation's EIN?

The Leon & Helen Weiner Foundation's EIN (Employer Identification Number) is 25-6666594. 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

(1)

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2020–2025

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Figures come from The Leon & Helen Weiner 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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