Ladenburg Foundation

Private foundation · Grantmaker New York, NY EIN: 13-4156286

Ladenburg Foundation is a private foundation, based in New York, NY. IRS filing data is available from 2020 through 2025. In 2025, it awarded 1 grant totaling $7.

Ladenburg Foundation at a glance

In short: Ladenburg Foundation gave $7 across 1 grant in 2025 (avg $7), mostly in Tennessee. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$7
Grants made (2025)
1
Average grant
$7
Median grant
$7
Primary geography
Tennessee (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 Ladenburg Foundation funds

How this funder distributes its grants

Top Recipients

Top recipient in 2025

St Jude Children's Research Hospital: $7St Jude Children's ResearchHospital$7

The largest 2025 recipient was St Jude Children's Research Hospital ($7).

Grant Size Distribution

5 grants across all recorded years

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

The most common grant size was under $50K: 5 grants of 5 (100%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

3states

Share of the 2025 grant dollars on its one itemized grant.

Cities

New YorkMemphisWashington

How Ladenburg Foundation gives

  • Giving fell 100% from 2022 to 2025. Method
  • In 2023 it paid out well above 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$50K$100K$150K3 grants2020 3 grants2021 1 grant2022 0 grants2023 0 grants2024 1 grant2025

From 2020 to 2025, annual grant giving ranged from $7 (2025) to $101K (2020). In 2025 it made 1 grant totaling $7.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
St Jude Children's Research Hospital Memphis, TNCharitable$7
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsDistributable Amount
2025—$3,626$3,633$71$2,365—
2024$7$2,002$1,995——$1,197—
2023—$10,440$12,331——$7,399$87
2022$1,891$20,824$20,825$16,0001$18,905$93
2021$1,892$21,468$24,980$20,1553$23,060$228
2020$5,404$97,730$105,791$101,2663—$980

Leadership & Key People

Officers and directors from IRS filings

Ladenburg Foundation is led by Martin Bussmann, Director, President & Treasurer on every filing since 2020; none of the 3 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Martin Bussmann

    Director, President & Treasurer

    On filings since 2020

    2 hrs/week

    No compensation reported

  • Claudia Engelhorn

    Director & Chairwoman

    On filings since 2020

    2 hrs/week

    No compensation reported

  • Margaret Blades

    Director

    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 Ladenburg Foundation

How much does Ladenburg Foundation give each year?

Ladenburg Foundation gave $7 across 1 grant in 2025, according to its 2025 IRS Form 990-PF.

Where does Ladenburg Foundation operate?

Ladenburg Foundation has awarded grants in District of Columbia, New York, Tennessee.

What is Ladenburg Foundation's EIN?

Ladenburg Foundation's EIN (Employer Identification Number) is 13-4156286. 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 August 31, 2021)
  2. Updated Form 990-PF for fiscal year 2021 (received by the IRS November 14, 2022)
  3. Updated Form 990-PF for fiscal year 2022 (received by the IRS March 29, 2023)
  4. Updated Form 990-PF for fiscal year 2023 (received by the IRS May 15, 2024)
  5. Updated Form 990-PF for fiscal year 2024 (received by the IRS May 14, 2025)
  6. Added Form 990-PF for fiscal year 2025 (received by the IRS May 11, 2026)

Live grants for the work Ladenburg Foundation funds

Philanthropy, Voluntarism & Grantmaking Open opportunities, soonest deadline first.

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

Figures come from Ladenburg 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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