Weisenburger Foundation

GREENWICH, CT EIN: 81-3904825

Weisenburger Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in GREENWICH, CT. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $1.6M in total assets. In 2024, it awarded 19 grants totaling $194K. Net investment income was $26K.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$1.6M

+35.8% YoY

Annual Giving

$194K

+49.5% YoY

Grant Count

19

+5.6% YoY

Avg Grant Size

$10K

+41.6% YoY

Under IRS private-foundation payout rules, Weisenburger Foundation reported a distributable amount of $170K for 2024 — the minimum it must pay out in qualifying distributions.

About Weisenburger Foundation

Based on IRS filings

Weisenburger Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in GREENWICH, CT. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $1.6M in total assets. In 2024, it awarded 19 grants totaling $194K. Net investment income was $26K.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

10states
+2 more states

Cities

BlacksburgBrooklynCos CobDarienElonGreenwichJacksonvilleMissoulaMurrayNew BrunswickNew YorkOld GreenwichPhiladelphiaPleasantvilleRiversideSan AntonioStamfordStaten IslandStrasburgTrumbull

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$167K$334K$501K$668K20202021202220232024
Metric202420232022
Total Assets$1,587,952$1,169,464$1,229,120
Revenue$607,062$73,320$33,486
Expenses$197,525$132,976$96,044
Qualifying Distributions$193,907$129,743$92,450
Net Investment Income$25,801$13,673$11,616
Distributable Amount$170,203$135,052$124,761

Giving Over Time

Total grant dollars and number of grants per year

$0$57K$114K$171K$228K5 grants20209 grants202113 grants202218 grants202319 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

UNIVERSITY OF PENN$50KBRIDGES NURSERY SCHOOL$34KDANA'S ANGELS RESEARCH T…$20KEXPLOYERS CLUB$17KGREENWICH DEPT OF HUMAN …$16KWOUNDED WARRIOR PROJECT$15KTUNNEL TO TOWERS$10KBOYS & GIRLS CLUB OF STA…$7KST THOMAS MOORE$6KGEMS$5K

Grant Size Distribution

64 grants across all recorded years

59<$50K3$50–100K2$100–250K$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest include University of Penn ($50,000), Bridges Nursery School ($34,025), Dana's Angels Research Trust ($20,000).

RecipientPurposeAmount
BOYS & GIRLS CLUB OF STAMFORD STAMFORD, CTGENERAL OPERATING BUDGET$6,500
BRIDGES NURSERY SCHOOL RIVERSIDE, CTGENERAL OPERATING BUDGET$34,025
COMBINE ORGANIZATION OF POLICE GREENWICH, CTGENERAL OPERATING BUDGET$1,000
DANA'S ANGELS RESEARCH TRUST GREENWICH, CTGENERAL OPERATING BUDGET$20,000
EXPLOYERS CLUB NEW YORK, NYGENERAL OPERATING BUDGET$16,632
GAYLORD HOSPITAL WALLINGFORD, CTGENERAL OPERATING BUDGET$1,600
GEMS RIVERSIDE, CTGENERAL OPERATING BUDGET$5,000
GREENWICH COUNCIL OF BOY SCOTS AMER GREENWICH, CTGENERAL OPERATING BUDGET$2,000
GREENWICH DEPT OF HUMAN SERVICES GREENWICH, CTGENERAL OPERATING BUDGET$15,700
GREENWICH PROFESSIONAL FIRE FIGHTER GREENWICH, CTGENERAL OPERATING BUDGET$1,000

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
RANDY WEISENBURGERDIRECTOR

Subject Areas

Focus areas based on grantmaking activity

Frequently Asked Questions

What is Weisenburger Foundation?

Weisenburger Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in GREENWICH, CT. It holds $1.6M in total assets as of 2024.

How large is Weisenburger Foundation?

As of 2024, Weisenburger Foundation holds $1.6M in total assets with $607K in annual revenue. It awarded 19 grants totaling $194K in 2024.

Where does Weisenburger Foundation operate?

Weisenburger Foundation has awarded grants in Connecticut, Florida, Kentucky, Montana, North Carolina, New Jersey, New York, Pennsylvania, Texas, Virginia.

What size grants does Weisenburger Foundation award?

In 2024, Weisenburger Foundation awarded 19 grants totaling $194K — an average of about $10K per grant, based on its IRS Form 990 filings.

How much is Weisenburger Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, Weisenburger Foundation reported a distributable amount of $170K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is Weisenburger Foundation's EIN?

Weisenburger Foundation's EIN (Employer Identification Number) is 81-3904825. IRS Form 990 filing data is available on this page for 2020–2024.

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Data last updated April 2026. Sourced from IRS Form 990-PF filings.

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