Aaron and Patricia Blumberg Foundation

WILMINGTON, DE EIN: 26-1865519

Aaron and Patricia Blumberg Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in WILMINGTON, DE. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $1.6M in total assets. In 2024, it awarded 27 grants totaling $429K. Net investment income was $629K.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$1.6M

+13.1% YoY

Annual Giving

$429K

+61.3% YoY

Grant Count

27

+35.0% YoY

Avg Grant Size

$16K

+19.5% YoY

Under IRS private-foundation payout rules, Aaron and Patricia Blumberg Foundation reported a distributable amount of $97K for 2024 — the minimum it must pay out in qualifying distributions.

About Aaron and Patricia Blumberg Foundation

Based on IRS filings

Aaron and Patricia Blumberg Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in WILMINGTON, DE. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $1.6M in total assets. In 2024, it awarded 27 grants totaling $429K. Net investment income was $629K.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

10states
+2 more states

Cities

AlexandriaAtlantaBrigantineBristolCambridgeJohnstownLaguna HillsManahawkinNew YorkNewarkPhiladelphiaRidgefieldSan FranciscoTucsonViennaWashingtonYarmouth Port

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$174K$348K$522K$696K20202021202220232024
Metric202420232022
Total Assets$1,551,020$1,371,944$1,375,923
Revenue$632,323$281,521$302,411
Expenses$453,247$285,500$148,999
Qualifying Distributions$435,606$271,775$137,525
Net Investment Income$629,323$274,963$99,553
Distributable Amount$96,932$103,372$100,092

Giving Over Time

Total grant dollars and number of grants per year

$0$107K$215K$322K$429K18 grants202019 grants202118 grants202220 grants202327 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

AFRICAN WILDLIFE FOUNDAT…$50KGREENPEACE FUND INC$50KSEA SHEPHERD CONSERVATIO…$50KWORLD WILDLIFE FUND INC$30KAMNESTY INTERNATIONAL OF…$25KMEDECINS SANS FRONTIERES…$25KTHE DAVID SHELDRICK WILD…$25KTHE DIAN FOSSEY GORILLA …$25KWORLD CENTRAL KITCHEN IN…$25KBIG LIFE FOUNDATION USA$15K

Grant Size Distribution

102 grants across all recorded years

99<$50K3$50–100K$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 African Wildlife Foundation ($50,000), Greenpeace Fund Inc ($50,000), Sea Shepherd Conservation Society ($50,000).

RecipientPurposeAmount
AFRICAN WILDLIFE FOUNDATION WASHINGTON, DCGeneral & Unrestricted$50,000
AMNESTY INTERNATIONAL OF THE USA INC NEW YORK, NYGeneral & Unrestricted$25,000
ASSOCIATED HUMANE SOCIETIES INC NEWARK, NJGeneral & Unrestricted$3,000
BIG LIFE FOUNDATION USA RIDGEFIELD, WAGeneral & Unrestricted$15,000
CENTER FOR BIOLOGICAL DIVERSITY INC TUCSON, AZGeneral & Unrestricted$10,000
DELAWARE RIVERKEEPER NETWORK BRISTOL, PAGeneral & Unrestricted$5,000
EARTHJUSTICE SAN FRANCISCO, CAGeneral & Unrestricted$5,000
ENDANGERED SPECIES INTERNATIONAL SAN FRANCISCO, CAGeneral & Unrestricted$10,000
FRIENDS OF SOUTHERN OCEAN COUNTY ANIMAL SHELTER IN MANAHAWKIN, NJGeneral & Unrestricted$7,500
GREENPEACE FUND INC WASHINGTON, DCGeneral & Unrestricted$50,000

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
Patricia BlumbergDir, Pres1
Amanda MarstedSec1

Subject Areas

Focus areas based on grantmaking activity

Frequently Asked Questions

What is Aaron and Patricia Blumberg Foundation?

Aaron and Patricia Blumberg Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in WILMINGTON, DE. It holds $1.6M in total assets as of 2024.

How large is Aaron and Patricia Blumberg Foundation?

As of 2024, Aaron and Patricia Blumberg Foundation holds $1.6M in total assets with $632K in annual revenue. It awarded 27 grants totaling $429K in 2024.

Where does Aaron and Patricia Blumberg Foundation operate?

Aaron and Patricia Blumberg Foundation has awarded grants in Arizona, California, District of Columbia, Georgia, Massachusetts, New Jersey, New York, Pennsylvania, Virginia, Washington.

What size grants does Aaron and Patricia Blumberg Foundation award?

In 2024, Aaron and Patricia Blumberg Foundation awarded 27 grants totaling $429K — an average of about $16K per grant, based on its IRS Form 990 filings.

How much is Aaron and Patricia Blumberg Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, Aaron and Patricia Blumberg Foundation reported a distributable amount of $97K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is Aaron and Patricia Blumberg Foundation's EIN?

Aaron and Patricia Blumberg Foundation's EIN (Employer Identification Number) is 26-1865519. 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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