Private Foundation

THE ALLERTON FOUNDATION INC

THE ALLERTON FOUNDATION INC is a Private Foundation headquartered in NEWTOWN SQUARE, PA. Financial data from the 2025 filing: $2.5M revenue, $4.5M expenses, $99.6M total assets. IRS filings disclose 154 grants awarded by this foundation, totaling roughly $20.2M.

EIN: 233035225 NEWTOWN SQUARE, PA Private Grantmaking Foundations NTEE: T20 Latest filing: 2025

Total Revenue$2.5M

Total Expenses$4.5M

Total Assets$99.6M

Grants Given154

Grant Total$20.2M

Filing Years2021–2025

Sample Grants Given

THE CONSERVATION FUND

CENTERVILLE, DE · 2024

THE ALLERTON WILDLIFE HABITAT FUND & OPERATING SUPPORT

$1,500,000

NATURAL LANDS

MEDIA, PA · 2024

FOR GENERAL SUPPORT OF ORGANIZATION

$1,000,000

CHILDREN'S HOSPITAL OF PHILADELPHIA FOUNDATION

PHILADELPHIA, PA · 2024

CENTER FOR AUTISM RESEARCH

$500,000

DREXEL UNIVERSITY

PHILADELPHIA, PA · 2024

OPERATING SUPPORT FOR TRANSITION PATHWAYS

$250,000

JUDITH CREED HORIZONS FOR ACHIEVING INDEPENDENCE

BRYN MAWR, PA · 2024

FUNDING FOR CAREER SUCCESS PROGRAM CURRICULUM ENHANCEMENT, STAFF TRAINING & ENGAGING PARTNERSHIPS

$200,000

Showing up to 5 of 154 total records — full history available with membership.

Officers & Directors

PRESIDENT & DIRECTOR Diane L Myer

DIRECTOR,SECRETARY L Bruce Melgary

TREASURER & DIRECTOR Marguerite Lenfest

Officer compensation and complete director data available with membership.

Top Grant Purposes

FOR GENERAL SUPPORT OF ORGANIZATION

$4,733,000 99 grants

THE ALLERTON WILDLIFE HABITAT FUND & OPERATING SUPPORT

$3,000,000 2 grants

ENDOWED SCHOLARSHIPS

$1,500,000 1 grant

LIFE COURSE OUTCOMES RESEARCH PROGRAM

$1,489,500 2 grants

DE HEADWATERS HABITAT CONSERVATION INITIATIVE

$1,250,000 2 grants

Financial Trends

Year	Revenue	Expenses	Assets
2025	$2.5M	$4.5M	$99.6M
2024	$2.1M	$4.7M	$94.5M
2023	$6.0M	$4.4M	$87.4M
2022	$13.7M	$2.7M	$77.3M
2021	$8.3M	$3.7M	$82.9M

Between 2021 and 2025, reported annual revenue declined from $8.3M to $2.5M (-70%), with total assets most recently reported at $99.6M.

Interactive year-over-year charts and full filing details available with membership.

Grant Geography

Grants from this foundation were reported to recipients in DE, NJ, PA.

DENJPA

Full geographic grant map with state-by-state breakdown available with membership.

See the full picture for THE ALLERTON FOUNDATION INC

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