The Jatoma Charitable Foundation

Foundation · Grantmaker Mamaroneck, NY EIN: 13-7198355

The Jatoma Charitable Foundation is a family foundation established in 2000 and based in Mamaroneck, New York. The foundation maintains its principal office at 519 Alda Road, Mamaroneck, NY 10543-4002.

Key facts about The Jatoma Charitable Foundation

EIN
13-7198355
Latest 990 filing
Form 990-PF, 2025
Annual giving (2025)
$190,550
Grants made (2025)
39
Average grant
$4,886
Median grant
$2,000
New grantees (estimate)
21% first-time grantees (8 of 39, 2025)
Primary geography
Connecticut (40% of itemized 2025 grant dollars)

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

Who The Jatoma Charitable Foundation funds

By grant dollars, the top recipient states for The Jatoma Charitable Foundation's 39 itemized 2025 grants were Connecticut (40%) and New York (37%). The most frequent recipient cities were New York, NY (6 grants), Greenwich, CT (4 grants), San Francisco, CA (2 grants) and Boston, MA (2 grants). 100% of grants with a stated purpose were for general or operating support.

Is The Jatoma Charitable Foundation open to new grantees?

21%

first-time grantees, 2025

In 2025, 8 of 39 grantees (21%) were first-time recipients. First grants averaged $3K; repeat grants $5K. How we count

Medians: $3K first-time, $2K repeat.

  • 74% of 2025 grantees were also funded in 2024. Method
  • Giving fell 37% from 2022 to 2025. Method

Estimate from itemized IRS Form 990-PF grant lists (2020–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.

Next steps with The Jatoma Charitable Foundation

Financial Overview

From 2025 IRS Form 990-PF · View filing

Total Assets

—

Annual Giving

$191K

-34.9% YoY

Grant Count

39

-9.3% YoY

Avg Grant Size

$5K

-28.2% YoY

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

Grantmaking

The foundation demonstrates consistent philanthropic activity across multiple focus areas:

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Geographic Focus

Where this funder awards grants

The foundation operates primarily in the Mamaroneck, New York area and surrounding communities.

Grant Distribution by State

20states

Share of all 39 itemized 2025 grant dollars.

Cities

New YorkGreenwichBostonSan FranciscoWashingtonArlingtonBrooklynJerichoLong Island CityMontpelierMysticNew HavenRocklandBay ShoreBridgtonMamaroneckMedfordOaklandRyeScarsdale

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$0.275$0.55$0.8250000000000001$1.1202020212022202320242025
Metric202520242023
Total Assets———
Revenue———
Expenses———
Qualifying Distributions———
Net Investment Income———
Distributable Amount———

Data update history

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2020–2025

Giving Over Time

Total grant dollars and number of grants per year

$0$75K$150K$226K$301K19 grants202050 grants202146 grants202246 grants202343 grants202439 grants2025

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

Yale University: $42KYale University$42KMystic Seaport Museum Inc: $25KMystic Seaport Museum Inc$25KUja-Federation of New York Inc: $20KUja-Federation of New York Inc$20KColt Coeur Theater Company: $10KColt Coeur Theater Company$10KCongregation Emannuel: $10KCongregation Emannuel$10KVarious Other Charities Under 1000 Each: $8KVarious Other Charities Under1000 Each$8KGreenwich Hospital: $5KGreenwich Hospital$5KJohns Hopkins University: $5KJohns Hopkins University$5KTufts University: $5KTufts University$5KAmerican National Red Cross: $5KAmerican National Red Cross$5K

Grant Size Distribution

224 grants across all recorded years

221<$50K3$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2025 grants, the largest recipients include Yale University ($42,250), Mystic Seaport Museum Inc ($25,000), Uja-Federation of New York Inc ($20,000).

RecipientPurposeAmount
YALE UNIVERSITY New Haven, CTGENERAL PURPOSE$42,250
MYSTIC SEAPORT MUSEUM INC Mystic, CTGENERAL PURPOSE$25,000
UJA-FEDERATION OF NEW YORK INC New York, NYGENERAL PURPOSE$20,000
COLT COEUR THEATER COMPANY Brooklyn, NYGENERAL PURPOSE$10,000
CONGREGATION EMANNUEL Rye, NYGENERAL PURPOSE$10,000
VARIOUS OTHER CHARITIES UNDER 1000 EACH Long Island City, NYGENERAL PURPOSE$8,350
GREENWICH HOSPITAL Greenwich, CTGENERAL PURPOSE$5,000
JOHNS HOPKINS UNIVERSITY Baltimore, MDGENERAL PURPOSE$5,000
TUFTS UNIVERSITY Medford, MAGENERAL PURPOSE$5,000
AMERICAN NATIONAL RED CROSS Washington, DCGENERAL PURPOSE$4,500

Leadership & Key People

Officers and directors from IRS filings

The Jatoma Charitable Foundation's 2025 filing lists 4 officers; none of the 4 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Anthony E. Mann

    Trustee

    On filings since 2020

    1 hr/week

    No compensation reported

  • J. Robert Mann Jr.

    Trustee

    On filings since 2020

    1 hr/week

    No compensation reported

  • Jack R. Mann III

    Trustee

    On filings since 2020

    1 hr/week

    No compensation reported

  • Margaret Berenblum

    Trustee

    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 Information

Telephone: 212-840-3456

EIN: 13-7198355

Subject Areas

Focus areas based on grantmaking activity

Frequently Asked Questions

How do I apply for a grant from The Jatoma Charitable Foundation?

The foundation demonstrates consistent philanthropic activity across multiple focus areas: • **Natural Resources Conservation & Protection:** Total giving of $292,500 • **Centers to Support the Independence of Specific Populations:** Total giving of $276,300 The foundation ranks among the top four funders in Mamaroneck, New York for both natural resources conservation and support services for specific populations.

Where does The Jatoma Charitable Foundation make grants?

The foundation operates primarily in the Mamaroneck, New York area and surrounding communities.

What size grants does The Jatoma Charitable Foundation award?

In 2025, The Jatoma Charitable Foundation awarded 39 grants totaling $191K — an average of about $5K per grant, based on its IRS Form 990 filings.

What is The Jatoma Charitable Foundation's EIN?

The Jatoma Charitable Foundation's EIN (Employer Identification Number) is 13-7198355. IRS Form 990 filing data is available on this page for 2020–2025.

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

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