Michael & Leah Weisberg Family Foundation

Private foundation · Grantmaker New York, NY EIN: 45-1539904

Michael & Leah Weisberg Family Foundation is a private foundation, based in New York, NY. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $2.7M in total assets. In 2024, it awarded 4 grants totaling $513K. Net investment income was $195K.

Michael & Leah Weisberg Family Foundation at a glance

In short: Michael & Leah Weisberg Family Foundation gave $513K across 4 grants in 2024 (avg $128K), mostly in New York. Source: 2024 IRS Form 990-PF.

Annual giving (2024)
$512,604
-4.5% vs 2023
Grants made (2024)
4
-20.0% vs 2023
Average grant
$128,151
+19.4% vs 2023
Median grant
$132,080
Total assets
$2,676,023
-11.1% vs 2023
Primary geography
New York (100% of itemized 2024 grant dollars)
Latest 990 filing
Form 990-PF, 2024 View filing

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

Who Michael & Leah Weisberg Family Foundation funds

How this funder distributes its grants

Top Recipients

Top 4 recipients in 2024

NYU Langone - Faces: $248KNYU Langone - Faces$248KNew York Historical Society Museum & Library: $245KNew York Historical SocietyMuseum & Library$245KWhitney Museum: $20KWhitney Museum$20KMuseum of Modern Art: $944Museum of Modern Art$944

The largest 2024 recipient was NYU Langone - Faces ($248K). Together the top 4 received $513K.

Grant Size Distribution

25 grants across all recorded years

15<$50K$50–100K8$100–250K2$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 15 grants of 25 (60%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

2states

Share of 2024 grant dollars across all 4 itemized grants.

Cities

New YorkReston

How Michael & Leah Weisberg Family Foundation gives

  • Giving grew 22% from 2021 to 2024. Method
  • In 2024 it paid out 384% 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$200K$400K$600K3 grants2020 6 grants2021 7 grants2022 5 grants2023 4 grants2024

From 2020 to 2024, annual grant giving ranged from $206K (2020) to $581K (2022). In 2024 it made 4 grants totaling $513K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
NYU Langone - Faces New York, NYGeneral Purpose$247,500
New York Historical Society Museum & Library New York, NYGeneral Purpose$244,560
Whitney Museum New York, NYGeneral Purpose$19,600
Museum of Modern Art New York, NYGeneral Purpose$944
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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$2,676,023$194,575$529,568$512,6044$527,054$194,575$137,294
2023$3,011,016$186,432$552,414$536,7165$544,666$195,242$154,275
2022$3,376,998$134,739$584,195$581,4457$581,695$207,293$174,005
2021$3,826,451$224,215$424,378$420,8206$420,820$224,215$190,394
2020$3,960,659$209,660$215,988$205,9503—$240,237$191,566

Under IRS private-foundation payout rules, Michael & Leah Weisberg Family Foundation reported a distributable amount of $137K for 2024 — the minimum it must pay out in qualifying distributions.

Leadership & Key People

Officers and directors from IRS filings

Michael & Leah Weisberg Family Foundation's 2024 filing lists 2 officers; none of the 2 officers listed in 2024 report compensation.

Officers on the 2024 filing

  • Leah J. Weisberg

    Trustee

    On filings since 2020

    1 hr/week

    No compensation reported

  • Michael R. Weisberg

    Trustee

    On filings since 2020

    1 hr/week

    No compensation reported

Data from IRS Form 990 filings, 2020–2024. "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 Michael & Leah Weisberg Family Foundation

How much does Michael & Leah Weisberg Family Foundation give each year?

Michael & Leah Weisberg Family Foundation gave $513K across 4 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $537K across 5 grants.

What is Michael & Leah Weisberg Family Foundation's typical grant size?

Michael & Leah Weisberg Family Foundation's median grant in 2024 was $132,080, and its average grant was $128,151, across 4 grants on its 2024 IRS Form 990-PF.

Where does Michael & Leah Weisberg Family Foundation give grants?

Michael & Leah Weisberg Family Foundation gives mostly in New York: 100% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The most frequent recipient cities were New York, NY (4 grants).

Does Michael & Leah Weisberg Family Foundation give general operating support?

Yes: 100% of Michael & Leah Weisberg Family Foundation's 2024 grants with a stated purpose (4 of 4) were for general or operating support, per its 2024 IRS Form 990-PF.

How large is Michael & Leah Weisberg Family Foundation?

Michael & Leah Weisberg Family Foundation reported $2.7M in total assets on its 2024 IRS Form 990-PF. It paid out $527K in qualifying distributions that year, against a required minimum of $137K (roughly 5% of its investment assets).

What is Michael & Leah Weisberg Family Foundation's EIN?

Michael & Leah Weisberg Family Foundation's EIN (Employer Identification Number) is 45-1539904. IRS Form 990 filing data is available on this page for 2020–2024.

Data last updated October 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 November 15, 2021)
  2. Updated Form 990-PF for fiscal year 2021 (received by the IRS November 15, 2022)
  3. Updated Form 990-PF for fiscal year 2022 (received by the IRS May 4, 2023)
  4. Updated Form 990-PF for fiscal year 2023 (received by the IRS March 10, 2024)
  5. Updated Form 990-PF for fiscal year 2024 (received by the IRS April 13, 2025)
  6. IRS filings on file for fiscal years 2020–2024

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

Figures come from Michael & Leah Weisberg 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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