The Kingsberg Foundation

Foundation · Grantmaker Princeton, NJ EIN: 13-6151289

The Kingsberg Foundation is a private foundation based in Princeton, New Jersey, established in 1955. The foundation operates as a 501(c)(3) tax-exempt organization and maintains a staffing model of zero employees, indicating it is likely managed by trustees or external administrators.

Key facts about The Kingsberg Foundation

EIN: 13-6151289
Latest 990 filing: Form 990-PF, 2024
Annual giving (2024): $1,341,519
Grants made (2024): 34
Average grant: $39,456
Median grant: $18,500
New grantees (estimate): 26% first-time grantees (9 of 34, 2024)
Total assets: $27,841,772
Primary geography: New York (73% of itemized 2024 grant dollars)

Data from IRS Form 990-PF, 2024; updated September 2026. New grantees are estimated by matching recipient names across years (methodology).

Who The Kingsberg Foundation funds

By grant dollars, the top recipient states for The Kingsberg Foundation's 34 itemized 2024 grants were New York (73%) and Maryland (11%). The most frequent recipient cities were New York, NY (13 grants) and Washington, DC (2 grants). None of its 34 grants with a stated purpose were described as general or operating support. Recurring purposes include "To Support Charitable Purpose" (34 grants).

Is The Kingsberg Foundation open to new grantees?

26%

first-time grantees, 2024

In 2024, 9 of 34 grantees (26%) were first-time recipients. First grants averaged $8K; repeat grants $51K. How we count

Medians: $250 first-time, $20K repeat.

62% of 2024 grantees were also funded in 2023. Method
Giving grew 25% from 2021 to 2024. Method
In 2024 it paid out 87% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method

Estimate from itemized IRS Form 990-PF grant lists (2020–2024). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.

Next steps with The Kingsberg Foundation

How to evaluate The Kingsberg Foundation as a funder
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Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$27.8M

+2.0% YoY

Annual Giving

$1.3M

+46.9% YoY

Grant Count

-2.9% YoY

Avg Grant Size

$39K

+51.2% YoY

Under IRS private-foundation payout rules, The Kingsberg Foundation reported a distributable amount of $1.5M for 2024 — the minimum it must pay out in qualifying distributions.

Research compiled by Grantable AI from public sources. Last updated April 2026.

Mission & Focus Areas

The foundation has not publicly provided a formal mission statement. However, based on recent grantmaking activity, the foundation supports organizations in the following areas:

Education
Philanthropy, Voluntarism & Grantmaking
Human Services
Science and STEM Education

Grantmaking

The foundation's grantmaking priorities are concentrated in New York, Massachusetts, and Oregon.

Average Grant

amount varies by year

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

New York $975K (73%)

Maryland $150K (11%)

Massachusetts $52K (4%)

Vermont $50K (4%)

Alabama $40K (3%)

All other $74K (6%)

Share of all 34 itemized 2024 grant dollars.

States

Alabama California Colorado District of Columbia Iowa Illinois Massachusetts Maryland North Carolina New Jersey New York Oregon Pennsylvania Virginia Vermont

Cities

New YorkWashingtonGarden CityManchesterMontgomeryBooneGreat NeckIrvingtonMount KiscoPleasantvilleChicagoLos AngelesNewtonPortlandWellesleyBostonBrooklynCarbondaleHagerstownMerrifield

Financial History

Multi-year comparison from IRS filings

As of December 2024:

Total assets: $27,841,772
Total revenues: $2,027,000
Total expenses: $1,476,384
Investment income and dividends: $399,186
Net gain from sale of non-inventory assets: $1,627,814

As of December 2023:

Total assets: $27,300,000
Total liabilities: $0

Revenue

Expenses

Qualifying Distributions

Net Investment Income

Metric	2024	2023	2022
Total Assets	$27,841,772	$27,291,156	$29,456,709
Revenue	$2,027,000	$-1,073,078	$138,635
Expenses	$1,476,384	$1,092,475	$1,315,583
Qualifying Distributions	$1,350,608	$931,372	$1,028,600
Net Investment Income	$1,899,659	$164,754	$143,610
Distributable Amount	$1,546,660	$1,356,181	$1,347,841

Data update history

When this profile's IRS filing data changed on Grantable

March 1, 2026 IRS filings on file for fiscal years 2020–2024

Giving Over Time

Total grant dollars and number of grants per year

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

Grant Size Distribution

173 grants across all recorded years

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest recipients include Keller Family Fund ($344,756), Kingsberg Family Fund ($284,613), Doctors Without Borders ($150,000).

Recipient	Purpose	Amount
Keller Family Fund Great Neck, NY	To support charitable purpose	$344,756
Kingsberg Family Fund Irvington, NY	To support charitable purpose	$284,613
DOCTORS WITHOUT BORDERS Hagerstown, MD	TO SUPPORT CHARITABLE PURPOSE	$150,000
ADELPHI UNIVERSITY Garden City, NY	TO SUPPORT CHARITABLE PURPOSE	$54,000
JACOB BURNS FILM CENTER Pleasantville, NY	TO SUPPORT CHARITABLE PURPOSE	$50,000
KENYON DRYLANDS EDUCATIONAL FUND Manchester, VT	TO SUPPORT CHARITABLE PURPOSE	$50,000
WEIZMANN INSTITUTE New York, NY	TO SUPPORT CHARITABLE PURPOSE	$50,000
NEIGHBORS LINK Mount Kisco, NY	TO SUPPORT CHARITABLE PURPOSE	$40,000
SOUTHERN POVERTY LAW CENTER Montgomery, AL	TO SUPPORT CHARITABLE PURPOSE	$40,000
TRUSTEES OF BOSTON COLLEGE Newton, MA	TO SUPPORT CHARITABLE PURPOSE	$40,000

Leadership & Key People

Leadership team and compensation from IRS filings

The foundation's trustees include:

Ruth J Kingsberg
Alan D Kingsberg
Harold J Kingsberg (deceased)

Compensation Overview

No officer or director reported compensation in the available filings.

From 2024 IRS filing

Name	Title	Hours	Compensation
Ruth J Kingsberg	Trustee	2	—
Alan D Kingsberg	Trustee	2	—
Sally Anne Keller	Trustee	2	—

Contact Information

Address: C/O WSB 506 Carnegie Center Suite 400 Princeton, NJ 08540

EIN: 13-6151289

Frequently Asked Questions

What does The Kingsberg Foundation fund?

The foundation has not publicly provided a formal mission statement. However, based on recent grantmaking activity, the foundation supports organizations in the following areas: • Education • Philanthropy, Voluntarism & Grantmaking • Human Services • Science and STEM Education

How do I apply for a grant from The Kingsberg Foundation?

**Grant Activity & Scale:** • Made 41 grants in 2024 • Total giving in 2024: $1,341,519 • Typical grant awards range from $110 to $344,756 • Average grant amount varies by year **Recent Notable Grants (2024):** • Adelphi University: $54,000 • Jacob Burns Film Center: $50,000 • Southern Poverty Law Center: $40,000 **Geographic Focus:** The foundation's grantmaking priorities are concentrated in New York, Massachusetts, and Oregon.

What size grants does The Kingsberg Foundation award?

In 2024, The Kingsberg Foundation awarded 34 grants totaling $1.3M — an average of about $39K per grant, based on its IRS Form 990 filings.

How much is The Kingsberg Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, The Kingsberg Foundation reported a distributable amount of $1.5M on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.