The Allerton Foundation Inc

NEWTOWN SQUARE, PA EIN: 23-3035225

The Allerton Foundation Inc is a private 501(c)(3) foundation established in 1999 and based in Newtown Square, Pennsylvania. The foundation operates as a non-operating private foundation whose primary activity is making grants to other 501(c)(3) organizations, principally public charities.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$94.5M

+8.1% YoY

Annual Giving

$4.3M

+3.5% YoY

Grant Count

29

+0.0% YoY

Avg Grant Size

$149K

+3.5% YoY

Under IRS private-foundation payout rules, The Allerton Foundation Inc reported a distributable amount of $4.5M 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 is primarily interested in animal welfare and land conservation to preserve animal habitat. The foundation has made grants in other subject areas, but these are generally initiated by its founding donor and not in response to unsolicited requests.

Specific funding focus areas include:

  • Animal welfare
  • Land conservation and natural resources
  • Environmental conservation
  • Wildlife protection and habitat preservation
  • Health and medical initiatives
  • Autism research and support
  • Brain and nervous system disorders
  • Education

Grantmaking

Grant Range

$3,000 to $1,500,000

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Geographic Focus

Where this funder awards grants

The foundation primarily supports nonprofit organizations in the following states:

  • Pennsylvania
  • New Jersey
  • Delaware

Specific cities with funding activity include Philadelphia, West Chester, and Newark.

Grant Distribution by State

3states

Cities

AmblerBensalemBerwynBrigantineBryn MawrCentervilleCentrevilleChalfontChester SpringsCochranvilleConshohockenDevonMedfordMediaNewarkPhiladelphiaPhoenixvillePottstownRichboroWayne

Financial History

Multi-year comparison from IRS filings

As of 2024:

  • Total assets: $94,524,594
  • Total revenue: $2,117,499
  • Total expenses: $4,664,618
  • Total giving: $4,334,000-$4,390,646
Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$4M$8M$11M$15M20202021202220232024
Metric202420232022
Total Assets$94,524,594$87,429,785$77,338,796
Revenue$2,117,499$5,987,994$13,722,711
Expenses$4,664,618$4,401,551$2,738,870
Qualifying Distributions$4,390,646$4,237,112$3,162,599
Net Investment Income$5,440,351$3,147,105$2,553,992
Distributable Amount$4,461,493$4,040,219$4,205,624

Giving Over Time

Total grant dollars and number of grants per year

$0$1M$2M$3M$4M19 grants202023 grants202127 grants202229 grants202329 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

THE CONSERVATION FUND$1.5MNATURAL LANDS$1.1MCHILDREN'S HOSPITAL OF P…$500KDREXEL UNIVERSITY$250KJUDITH CREED HORIZONS FO…$200KPENNSYLVANIA SOCIETY FOR…$125KTHE SCHUYLKILL CENTER FO…$125KTHE NATURE CONSERVANCY$100KMARINE MAMMAL STRANDING …$50KPENNSYLVANIA ACADEMY OF …$50K

Grant Size Distribution

127 grants across all recorded years

88<$50K13$50–100K9$100–250K3$250–500K8$500K–1M6$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest include The Conservation Fund ($1,500,000), Natural Lands ($1,100,000), Children's Hospital of Philadelphia Foundation ($500,000).

RecipientPurposeAmount
AARK WILDLIFE REHABILITATION AND EDUCATION CENTER CHALFONT, PAFOR GENERAL SUPPORT OF ORGANIZATION$15,000
CANINE PARTNERS FOR LIFE COCHRANVILLE, PAFOR GENERAL SUPPORT OF ORGANIZATION$15,000
CHILDREN'S HOSPITAL OF PHILADELPHIA FOUNDATION PHILADELPHIA, PACENTER FOR AUTISM RESEARCH$500,000
DREXEL UNIVERSITY PHILADELPHIA, PAOPERATING SUPPORT FOR TRANSITION PATHWAYS$250,000
FRENCH & PICKERING CREEKS CONSERVATION TRUST PHOENIXVILLE, PAFOR GENERAL SUPPORT OF ORGANIZATION$25,000
HOPE SPRINGS EQUESTRIAN THERAPY INC CHESTER SPRINGS, PAFOR GENERAL SUPPORT OF ORGANIZATION$15,000
JENKINS ARBORETUM DEVON, PAFOR GENERAL SUPPORT OF ORGANIZATION$5,000
JUDITH CREED HORIZONS FOR ACHIEVING INDEPENDENCE BRYN MAWR, PAFUNDING FOR CAREER SUCCESS PROGRAM CURRICULUM ENHANCEMENT, STAFF TRAINING & ENGAGING PARTNERSHIPS$200,000
LARGE ANIMAL PROTECTION SOCIETY WEST GROVE, PAFOR GENERAL SUPPORT OF ORGANIZATION$5,000
MAIN LINE ANIMAL RESCUE INC CHESTER SPRINGS, PAFOR GENERAL SUPPORT OF ORGANIZATION$25,000

Leadership & Key People

Leadership team and compensation from IRS filings

  • Diane L. Myer – President and Director (3 hours/week)
  • Marguerite Lenfest – Treasurer and Director (1 hour/week)
  • L. Bruce Melgary – Director and Secretary (4 hours/week)

All board members serve without compensation.

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
DIANE L MYERPRESIDENT & DIRECTOR3
MARGUERITE LENFESTTREASURER & DIRECTOR1
L BRUCE MELGARYDIRECTOR,SECRETARY4

Contact Information

Address: Pathstone LP 6022 West Chester Pike Newtown Square, PA 19073

Telephone: 610-640-6615

Subject Areas

Focus areas based on grantmaking activity

Frequently Asked Questions

What does The Allerton Foundation Inc fund?

The foundation is primarily interested in animal welfare and land conservation to preserve animal habitat. The foundation has made grants in other subject areas, but these are generally initiated by its founding donor and not in response to unsolicited requests. Specific funding focus areas include: • Animal welfare • Land conservation and natural resources • Environmental conservation • Wildlife protection and habitat preservation • Health and medical initiatives • Autism research and support …

How do I apply for a grant from The Allerton Foundation Inc?

**Grant Statistics:** • Total annual giving: $4,334,000 (2024) • Number of grants awarded: 29-51 grants annually • Grant range: $3,000 to $1,500,000 • Median grant amount: $25,000-$125,000 • Giving rate: 4.6-4.8% of assets **Types of Support:** • General support of organizations • Operating support • Project support • Environmental conservation initiatives • Wildlife response programs **Application Status:** The foundation accepts applications. **Recent Grant Recipients (2024):** • Natural Land…

Where does The Allerton Foundation Inc make grants?

The foundation primarily supports nonprofit organizations in the following states: • Pennsylvania • New Jersey • Delaware Specific cities with funding activity include Philadelphia, West Chester, and Newark.

What size grants does The Allerton Foundation Inc award?

In 2024, The Allerton Foundation Inc awarded 29 grants totaling $4.3M — an average of about $149K per grant, based on its IRS Form 990 filings.

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

Private foundations must generally distribute about 5% of their assets annually. For 2024, The Allerton Foundation Inc reported a distributable amount of $4.5M on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is The Allerton Foundation Inc's EIN?

The Allerton Foundation Inc's EIN (Employer Identification Number) is 23-3035225. IRS Form 990 filing data is available on this page for 2020–2024.

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Data last updated June 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.

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