Gatter Foundation

Private foundation · Grantmaker Unionville, PA EIN: 23-6243026

Gatter Foundation is a private foundation based in Unionville, Pennsylvania. Its 2025 filing reports 16 grants totaling $10,000 to charitable organizations, including organizations working in animal welfare, education, food assistance, homelessness services, and emergency response.

Gatter Foundation at a glance

In short: Gatter Foundation gave $10K across 16 grants in 2025 (avg $625), mostly in Pennsylvania. 31% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$10,000
+5.8% vs 2024
Grants made (2025)
16
+23.1% vs 2024
Average grant
$625
-14.0% vs 2024
Median grant
$375
Total assets
$82,743
-9.6% vs 2024
New grantees (estimate)
31% first-time grantees (5 of 16, 2025; small sample)
Primary geography
Pennsylvania (85% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).

How to apply to Gatter Foundation

Accepts unsolicited proposals
No
How to Apply

The foundation states that it does not accept unsolicited requests for funds and contributes only to preselected charitable organizations.

Contact

Mailing address: PO Box 501, Unionville, PA 19375-0501
Phone: (610) 486-6251

Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Who Gatter Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

Brandywine Valley SPCA: $3KBrandywine Valley SPCA$3KLongwood Gardens: $2KLongwood Gardens$2KKennett Area Community Service: $1KKennett Area Community Service$1KWinterthur Museum and Library: $800Winterthur Museum and Library$800Castaway Cats: $500Castaway Cats$500Good Samaritan Services: $500Good Samaritan Services$500Fairville Friends School: $500Fairville Friends School$500Treetops Animal Rescue: $500Treetops Animal Rescue$500Chester County Food Bank: $250Chester County Food Bank$250Eagles Autism Foundation: $250Eagles Autism Foundation$250

The largest 2025 recipient was Brandywine Valley SPCA ($3K). Together the top 10 received $9K.

Grant Size Distribution

71 grants across all recorded years

71<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 71 grants of 71 (100%).

Geographic Focus

Where this funder awards grants

In 2025, 85% of grant dollars went to recipients in Pennsylvania and 15% to recipients in Delaware.

Grant Distribution by State

2states

Share of 2025 grant dollars across all 16 itemized grants.

Cities

Kennett SquareUnionvilleBearGreenvilleWest ChesterWest GroveWilmingtonLancasterCoatesvilleChadds FordExtonPhiladelphiaSetonWiterthur

Is Gatter Foundation open to new grantees?

31%

first-time grantees, 2025

In 2025, 5 of 16 grantees (31%) were first-time recipients. With only 16 grantees, that is a small sample: one grantee more or less moves the share by about 6 points. First grants averaged $430; repeat grants $714. How we count

Medians: $500 first-time, $250 repeat.

  • 69% of 2025 grantees were also funded in 2024. Method
  • Giving held roughly steady from 2022 to 2025 (+2%). Method
  • In 2025 it paid out 105% of its IRS minimum distribution (the 5% rule). 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.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$5K$10K$15K12 grants2020 13 grants2021 14 grants2022 15 grants2023 13 grants2024 16 grants2025

From 2020 to 2025, annual grant giving ranged from $9K (2024) to $10K (2020). In 2025 it made 16 grants totaling $10K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Brandywine Valley SPCA West Chester, PAAnimal Rescue$3,000
Longwood Gardens Kennett Square, PAAgricultural Education$2,000
Kennett Area Community Service Kennett Square, PAProvides Food to Indigent$1,000
Winterthur Museum and Library Witerthur, DEEducates Americans Collections$800
Castaway Cats Bear, DEAnimal Rescue$500
Good Samaritan Services Lancaster, PAHelps the Homeless$500
Fairville Friends School Chadds Ford, PASCHOOL$500
Treetops Animal Rescue Kennett Square, PAAnimal Rescue$500
Chester County Food Bank Exton, PAProvides Food to Indigent$250
Eagles Autism Foundation Philadelphia, PAPromotes Autism Awareness$250
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2025$82,743$1,720$10,540$10,00016$10,015$1,720$9,498
2024$91,563$1,800$9,965$9,45013$9,465$1,800$8,509
2023$99,728$1,773$10,486$10,00015$10,015$1,773$8,192
2022$108,441$1,487$10,308$9,85014$9,865$1,487$8,446
2021$117,262$1,303$10,656$10,10013$10,115$1,303$8,989
2020$126,615$1,543$10,231$10,20012—$1,543$8,377

Under IRS private-foundation payout rules, Gatter Foundation reported a distributable amount of $9K for 2025 — the minimum it must pay out in qualifying distributions.

Research compiled by Grantable AI from public sources. Last updated September 2026.

Mission & Focus Areas

No mission statement for the foundation is provided. Its 2025 grants show support for a range of organizations. For example, Brandywine Valley SPCA describes its mission as advocating for humane animal treatment, while Kennett Area Community Service says it strengthens its southern Chester County community through food, housing, crisis services, and education. Good Samaritan Services describes its work as responding to people approaching or experiencing homelessness across Lancaster and Chester Counties.

Other 2025 grantees include Fairville Friends School, which says it nurtures and educates young children in the Friends tradition, and Chester County Food Bank, which describes its work as mobilizing and educating the community to support equitable access to nutritious food.

Grantmaking

In 2025, the foundation reported 16 grants totaling $10,000. Grant amounts ranged from $50 to $3,000, with a median of $375. Notable grants included $3,000 to Brandywine Valley SPCA for animal rescue, $2,000 to Longwood Gardens for agricultural education, and $1,000 to Kennett Area Community Service to provide food to people in need. Other grants included $800 to Winterthur Museum and Library, $500 each to Good Samaritan Services, Fairville Friends School, and Treetops Animal Rescue, and $250 to Chester County Food Bank.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2025 filing lists Joan W Gatter as “CHAIRMAN TRE” and Evan M Gatter as “SECR TRUSTEE.”

Gatter Foundation is led by Joan W. Gatter, Chairman Treasurer since 2022 (on filings since 2020); none of the 2 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Joan W. Gatter

    Chairman Treasurer

    Secretary & Treasurer → Treasurer Trustee, 2021

    Treasurer Trustee → Chairman Treasurer, 2022

    On filings since 2020

    No compensation reported

  • Evan M. Gatter

    Secr Trustee

    On filings since 2021

    No compensation reported

Former officers (1)
  • Former: Jeffery E. Gatter (2020–2021) — Chairman Trustee

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.

Frequently asked questions about Gatter Foundation

How much does Gatter Foundation give each year?

Gatter Foundation gave $10K across 16 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $9K across 13 grants.

What is Gatter Foundation's typical grant size?

Gatter Foundation's median grant in 2025 was $375, and its average grant was $625, across 16 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Gatter Foundation that year got $430 on average.

Where does Gatter Foundation give grants?

Gatter Foundation gives mostly in Pennsylvania: 85% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was Delaware (15%). The most frequent recipient cities were Kennett Square, PA (6 grants).

Does Gatter Foundation give general operating support?

Not in 2025: none of the 16 grants with a stated purpose on Gatter Foundation's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Animal Rescue" (5 grants).

Who are Gatter Foundation's largest grantees?

Gatter Foundation's largest 2025 grantees include Brandywine Valley SPCA ($3,000), Longwood Gardens ($2,000) and Kennett Area Community Service ($1,000), according to its 2025 IRS Form 990-PF. Together they received 60% of its itemized 2025 grant dollars.

How large is Gatter Foundation?

Gatter Foundation reported $83K in total assets on its 2025 IRS Form 990-PF. It paid out $10K in qualifying distributions that year, against a required minimum of $9K (roughly 5% of its investment assets).

What does Gatter Foundation fund?

No mission statement for the foundation is provided. Its 2025 grants show support for a range of organizations. See mission & focus areas ↑

How do I apply for a grant from Gatter Foundation?

The foundation states that it does not accept unsolicited requests for funds and contributes only to preselected charitable organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

What is Gatter Foundation's EIN?

Gatter Foundation's EIN (Employer Identification Number) is 23-6243026. IRS Form 990 filing data is available on this page for 2020–2025.

Does Gatter Foundation accept unsolicited proposals?

No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑

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

Data update history

(7)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2020 (received by the IRS February 15, 2021)
  2. Updated Form 990-PF for fiscal year 2021 (received by the IRS February 10, 2022)
  3. Updated Form 990-PF for fiscal year 2022 (received by the IRS February 7, 2023)
  4. Updated Form 990-PF for fiscal year 2023 (received by the IRS February 12, 2024)
  5. Updated Form 990-PF for fiscal year 2024 (received by the IRS February 11, 2025)
  6. Updated Form 990-PF for fiscal year 2025 (received by the IRS February 5, 2026)
  7. IRS filings on file for fiscal years 2020–2025

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The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from Gatter Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.

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