The Allerton Foundation Inc
The Allerton Foundation Inc is a private foundation based in Newtown Square, Pennsylvania. Its stated primary interests are animal welfare and land conservation to preserve animal habitat, with animal welfare and habitat-conservation support limited to organizations located in and/or doing substantial work in Philadelphia or its suburbs.
Key facts about The Allerton Foundation Inc
In short: The Allerton Foundation Inc gave $4.3M across 27 grants in 2025 (avg $158K), mostly in Pennsylvania. 4% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- EIN
- 23-3035225
- Latest 990 filing
- Form 990-PF, 2025
- Annual giving (2025)
- $4,271,000
- Grants made (2025)
- 27
- Average grant
- $158,185
- Median grant
- $25,000
- New grantees (estimate)
- 4% first-time grantees (1 of 27, 2025)
- Total assets
- $99,578,376
- Primary geography
- Pennsylvania (62% of itemized 2025 grant dollars)
- How to apply
- The foundation’s filing says it considers requests from qualified tax-exempt nonprofit 501(c)(3) organizations. Full details ↓
- Deadline
- None stated.
Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology). Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Financial Overview
From 2025 IRS Form 990-PF · View filing
Total Assets
$99.6M
+5.3% YoY
Annual Giving
$4.3M
-1.5% YoY
Grant Count
27
-6.9% YoY
Avg Grant Size
$158K
+5.8% YoY
Under IRS private-foundation payout rules, The Allerton Foundation Inc reported a distributable amount of $4.9M for 2025 — the minimum it must pay out in qualifying distributions.
Is The Allerton Foundation Inc open to new grantees?
4%
first-time grantees, 2025
In 2025, 1 of 27 grantees (4%) were first-time recipients. First grants averaged $100K; repeat grants $160K. How we count
Medians: $100K first-time, $25K repeat.
- 89% of 2025 grantees were also funded in 2024. Method
- Giving grew 38% from 2022 to 2025. Method
- In 2025 it paid out 89% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Mission & Focus Areas
The foundation’s filing identifies animal welfare and land conservation to preserve animal habitat as its primary interests. Its 2025 grants also show support for organizations working in areas such as autism research, career programming, the arts, and animal care.
Grantees’ own descriptions illustrate the range of organizations supported. The Marine Mammal Stranding Center says it rescues, rehabilitates, and releases stranded, sick, or injured marine mammals and sea turtles. Woodford Cedar Run Wildlife Refuge describes itself as a wildlife refuge, rehabilitation hospital, and nature center focused on healthy ecosystems. The Philadelphia Animal Welfare Society says it supports homeless and at-risk pets through rescue, adoption, veterinary care, and other services. The Pennsylvania Academy of the Fine Arts describes its work as including fine-arts education and a gallery collection of American art.
Grantmaking
In 2025, the foundation reported 27 grants totaling $4,271,000. Grant amounts ranged from $5,000 to $1,500,000, with a median of $25,000.
The largest reported grants included $1,500,000 to The Conservation Fund for the Allerton Wildlife Habitat Fund and operating support; $1,000,000 to Natural Lands for general support; $500,000 to the Children’s Hospital of Philadelphia Foundation for its Center for Autism Research; and $250,000 to Drexel University for operating support for Transition Pathways. Other grants included $200,000 to Judith Creed Horizons for Achieving Independence for career-success curriculum enhancement, staff training, and partnerships, and $165,000 to the Pennsylvania Society for the Prevention of Cruelty to Animals for Lancaster County enforcement and clinics.
Review Cycle
None stated.
How to Apply
The foundation’s filing says it considers requests from qualified tax-exempt nonprofit 501(c)(3) organizations. Applicants should submit a short letter describing the organization and its mission, the amount requested and purpose, the total amount needed if the request is for a program or project, the organization’s total revenue and expenses for its most recent fiscal year, its EIN, and a copy of its IRS determination letter confirming 501(c)(3) status. Funding decisions are generally made twice a year at board meetings in November or December and April or May. The filing says the foundation does not restrict giving to preselected organizations.
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Geographic Focus
Where this funder awards grants
The foundation’s filing says animal-welfare and animal-habitat conservation support is limited to organizations located in and/or doing substantial work in Philadelphia or its suburbs. In 2025, 62% of grant dollars went to recipients in Pennsylvania, 35% to recipients in Delaware, and 2% to recipients in New Jersey.
Grant Distribution by State
Share of 2025 grant dollars across all 27 itemized grants.
Cities
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2025, annual grant giving ranged from $1.6M (2020) to $4.3M (2024). In 2025 it made 27 grants totaling $4.3M.
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was The Conservation Fund ($1.5M). Together the top 10 received $3.9M.
Grant Size Distribution
135 grants across all recorded years
The most common grant size was under $50K: 88 grants of 135 (65%).
Giving History
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| The Conservation Fund Centerville, DE | The Allerton Wildlife Habitat Fund & Operating Support | $1,500,000 |
| Natural Lands Media, PA | For General Support of Organization | $1,000,000 |
| Children's Hospital of Philadelphia Foundation Philadelphia, PA | Center for Autism Research | $500,000 |
| Drexel University Philadelphia, PA | Operating Support for Transition Pathways | $250,000 |
| Judith Creed Horizons for Achieving Independence Bryn Mawr, PA | Funding for career success program curriculum enhancement, staff training & engaging partnerships | $200,000 |
| Pennsylvania Society for the Prevention of Cruelty to Animals Philadelphia, PA | Lancaster County Enforcement and Clinics | $165,000 |
| The Nature Conservancy Conshohocken, PA | General Operating Support | $100,000 |
| The Curtis Institute of Music Philadelphia, PA | For General Suport of Organization | $100,000 |
| Marine Mammal Stranding Center Brigantine, NJ | For General Support of Organization | $50,000 |
| Pennsylvania Academy of the Fine Arts Philadelphia, PA | For General Support of Organization | $50,000 |
Financial History
Multi-year comparison from IRS filings
| Filing year | Assets | Revenue | Expenses | Grants |
|---|---|---|---|---|
| 2025 | $99,578,376 | $2,450,237 | $4,521,718 | $4,271,000 |
| 2024 | $94,524,594 | $2,117,499 | $4,664,618 | $4,334,000 |
| 2023 | $87,429,785 | $5,987,994 | $4,401,551 | $4,186,000 |
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $99,578,376 | $94,524,594 | $87,429,785 |
| Revenue | $2,450,237 | $2,117,499 | $5,987,994 |
| Expenses | $4,521,718 | $4,664,618 | $4,401,551 |
| Qualifying Distributions | $4,317,541 | $4,390,646 | $4,237,112 |
| Net Investment Income | $2,279,237 | $5,440,351 | $3,147,105 |
| Distributable Amount | $4,869,060 | $4,461,493 | $4,040,219 |
Data update history
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 6, 2026)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS March 12, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS March 28, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS February 17, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS February 15, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS March 10, 2025)
- IRS filings on file for fiscal years 2020–2024
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Diane L. Myer as president and director, Marguerite Lenfest as treasurer and director, and L. Bruce Melgary as director and secretary.
The Allerton Foundation Inc is led by Diane L. Myer, President & Director on every filing since 2020; none of the 3 officers listed in 2025 report compensation.
Officers on the 2025 filing
Diane L. Myer
President & Director
On filings since 2020
3 hrs/week
No compensation reported
L. Bruce Melgary
Director & Secretary
On filings since 2020
4 hrs/week
No compensation reported
Marguerite Lenfest
Treasurer & Director
On filings since 2020
1 hr/week
No compensation reported
Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Contact
Application contact: The Allerton Foundation Co Pathston
Mailing address: 6022 West Chester Pike, Newtown Square, PA 19073
Phone: (610) 640-6615
Frequently asked questions about The Allerton Foundation Inc
How much does The Allerton Foundation Inc give each year?
The Allerton Foundation Inc gave $4.3M across 27 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $4.3M across 29 grants.
What is The Allerton Foundation Inc's typical grant size?
The Allerton Foundation Inc's median grant in 2025 was $25,000, and its average grant was $158,185, across 27 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from The Allerton Foundation Inc that year got $100K on average.
Where does The Allerton Foundation Inc give grants?
The Allerton Foundation Inc gives mostly in Pennsylvania: 62% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was Delaware (35%). The most frequent recipient cities were Philadelphia, PA (11 grants), Media, PA (2 grants) and Devon, PA (2 grants).
Does The Allerton Foundation Inc give general operating support?
Yes: 89% of The Allerton Foundation Inc's 2025 grants with a stated purpose (24 of 27) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are The Allerton Foundation Inc's largest grantees?
The Allerton Foundation Inc's largest 2025 grantees include The Conservation Fund ($1,500,000), Natural Lands ($1,000,000) and Children's Hospital of Philadelphia Foundation ($500,000), according to its 2025 IRS Form 990-PF. Together they received 70% of its itemized 2025 grant dollars.
How large is The Allerton Foundation Inc?
The Allerton Foundation Inc reported $99.6M in total assets on its 2025 IRS Form 990-PF. It paid out $4.3M in qualifying distributions that year, against a required minimum of $4.9M (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.
What does The Allerton Foundation Inc fund?
The foundation’s filing identifies animal welfare and land conservation to preserve animal habitat as its primary interests. Its 2025 grants also show support for organizations working in areas such as autism research, career programming, the arts, and animal care. See mission & focus areas ↑
How do I apply for a grant from The Allerton Foundation Inc?
The foundation’s filing says it considers requests from qualified tax-exempt nonprofit 501(c)(3) organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
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 2020–2025.
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
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