Thomas Cholnoky Foundation

Private foundation · Grantmaker Greenwich, CT EIN: 22-2610435

The Thomas Cholnoky Foundation is a private foundation based in Greenwich, Connecticut. Its 2025 filing reports grants to charitable organizations and an individual recipient, including scholarship-designated awards.

Thomas Cholnoky Foundation at a glance

In short: Thomas Cholnoky Foundation gave $48K across 11 grants in 2025 (avg $4K), top state Ohio. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$47,500
+3.3% vs 2024
Grants made (2025)
11
+37.5% vs 2024
Average grant
$4,318
-24.9% vs 2024
Median grant
$3,000
Total assets
$915,185
+3.4% vs 2024
Primary geography
Ohio (44% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

Data from IRS Form 990-PF, 2025; updated October 2026.

How to apply to Thomas Cholnoky Foundation

Accepts unsolicited proposals
No
How to Apply

The foundation states that it does not accept unsolicited requests and makes contributions only to preselected charitable organizations. Its filing describes an application that includes academic standing, financial need, personal history, and cost. The filing states that awards are limited to students and/or graduates of Hungarian universities studying in the United States; it also states that awards are not limited or restricted.

Review Cycle
None stated.
Deadline
None stated.
Contact

Application contact: Thomas V Cholnoky
Mailing address: 50 Sound View Drive 3 South, Greenwich, CT 06830
Phone: (917) 328-3141

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

Who Thomas Cholnoky Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

The Lost Tree Foundation: $4KThe Lost Tree Foundation$4KALS One: $4KALS One$4KGreenwich Academy Scholarship Fund: $3KGreenwich Academy ScholarshipFund$3KNantucket Conservation Foundation: $3KNantucket ConservationFoundation$3KNew Canaan Nature Center Scholarship Fund: $3KNew Canaan Nature CenterScholarship Fund$3KUkraine House DC Foundation: $3KUkraine House DC Foundation$3KUnited Help Ukraine: $3KUnited Help Ukraine$3KStratton Mountain Community Foundation: $3KStratton Mountain CommunityFoundation$3KTrinity College: $2KTrinity College$2KMD Anderson Cancer Center: $1KMD Anderson Cancer Center$1K

The largest 2025 recipient was The Lost Tree Foundation ($4K). Together the top 10 received $27K.

Organizations only. It also paid 1 individual scholarship ($21,000), which are not listed by name.

Grant Size Distribution

43 grants across all recorded years

43<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 43 grants of 43 (100%).

Geographic Focus

Where this funder awards grants

The 2025 grant dollars were reported across recipient states, with Ohio receiving 44%, Connecticut 17%, Massachusetts 14%, Washington, DC 11%, and Florida 7%. Other listed recipients were in Vermont and Texas.

Grant Distribution by State

11states

Share of 2025 grant dollars across all 11 itemized grants.

Cities

GreenwichHartfordNew CanaanNew YorkLakevilleNorth Palm BeachWashingtonNantucketArlingtonEast HamptonHoustonPort ChesterShelter IsSimsburyStrattonWhitmanAustinColumbusPrincetonUrbana

How Thomas Cholnoky Foundation gives

  • 60% of 2025 grantees were also funded in 2024. Method
  • Giving held roughly steady from 2022 to 2025 (+13%). Method
  • In 2025 it paid out 107% of its IRS minimum distribution (the 5% rule). Method

Estimate from itemized grant lists in IRS Form 990-PF filings (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$20K$40K$60K2 grants2019 4 grants2020 11 grants2021 6 grants2022 7 grants2023 8 grants2024 11 grants2025

From 2019 to 2025, annual grant giving ranged from $25K (2020) to $48K (2025). In 2025 it made 11 grants totaling $48K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
1 individual scholarship Recipients not named —$21,000
The Lost Tree Foundation North Palm Beach, FLGeneral Use$3,500
ALS One Whitman, MAGeneral Use$3,500
Greenwich Academy Scholarship Fund Greenwich, CTGeneral Use/Scholarship$3,000
Nantucket Conservation Foundation Nantucket, MAGeneral Use$3,000
New Canaan Nature Center Scholarship Fund New Canaan, CTGeneral Use/Scholarship$3,000
Ukraine House DC Foundation Washington, DCGeneral Use$2,500
United Help Ukraine Washington, DCGeneral Use$2,500
Stratton Mountain Community Foundation Stratton, VTGeneral Use$2,500
Trinity College Hartford, CTGeneral Use$2,000
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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$915,185$84,682$54,765$47,50011$49,418$81,474$46,262
2024$885,268$51,226$52,195$46,0008$47,916$49,311$44,266
2023$881,328$31,807$46,073$40,5007$43,096$32,199$41,276
2022$890,230$30,060$47,653$42,0006$44,682$27,377$43,589
2021$907,823$26,828$58,793$46,50011$52,582$20,746$47,229
2020$939,788$9,634$25,321$24,5004—$9,312$46,068
2019$955,505$703,955$38,174$35,0002—$3,315$35,783

Under IRS private-foundation payout rules, Thomas Cholnoky Foundation reported a distributable amount of $46K for 2025 — the minimum it must pay out in qualifying distributions.

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

Mission & Focus Areas

The foundation’s own mission is not stated in the available information. Its 2025 grants included scholarship-designated awards and support for organizations working in areas such as ALS research and care, conservation, Ukraine-related cultural engagement, and liberal arts education. These descriptions reflect the grantees’ stated missions: ALS ONE describes its work as advancing ALS treatments and care; Nantucket Conservation Foundation describes its work as protecting land and coastal resources and conducting ecological research; Ukraine House DC Foundation describes itself as a place to discover and engage with Ukraine; and Trinity College describes its mission as providing excellence in liberal arts education.

Grantmaking

In 2025, the foundation reported 11 grants totaling $47,500. Grant amounts ranged from $1,000 to $21,000, with a median of $3,000. The largest award was a $21,000 scholarship to an individual recipient in Ohio.

Other reported 2025 grants included $3,500 to The Lost Tree Foundation, $3,500 to ALS ONE, $3,000 to Greenwich Academy Scholarship Fund, $3,000 to Nantucket Conservation Foundation, $3,000 to New Canaan Nature Center Scholarship Fund, $2,500 to Ukraine House DC Foundation, $2,500 to United Help Ukraine, $2,500 to Stratton Mountain Community Foundation, $2,000 to Trinity College, and $1,000 to MD Anderson Cancer Center.

Deadline: None stated.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2025 filing lists Thomas V Cholnoky as director and treasurer, and Lisa Cholnoky as director and president.

Thomas Cholnoky Foundation is led by Lisa Cholnoky, Director & President on every filing since 2019; none of the 2 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Lisa Cholnoky

    Director & President

    On filings since 2019

    No compensation reported

  • Thomas V. Cholnoky

    Director & Treasurer

    On filings since 2019

    No compensation reported

Data from IRS Form 990 filings, 2019–2025. "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 Thomas Cholnoky Foundation

How much does Thomas Cholnoky Foundation give each year?

Thomas Cholnoky Foundation gave $48K across 11 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $46K across 8 grants.

What is Thomas Cholnoky Foundation's typical grant size?

Thomas Cholnoky Foundation's median grant in 2025 was $3,000, and its average grant was $4,318, across 11 grants on its 2025 IRS Form 990-PF.

Where does Thomas Cholnoky Foundation give grants?

Thomas Cholnoky Foundation's top state is Ohio, with 44% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were Connecticut (17%) and Massachusetts (14%). The most frequent recipient cities were Washington, DC (2 grants).

Does Thomas Cholnoky Foundation give general operating support?

Yes: 91% of Thomas Cholnoky Foundation's 2025 grants with a stated purpose (10 of 11) were for general or operating support, per its 2025 IRS Form 990-PF.

Who are Thomas Cholnoky Foundation's largest grantees?

Thomas Cholnoky Foundation's largest 2025 grantees include The Lost Tree Foundation ($3,500), ALS One ($3,500) and Greenwich Academy Scholarship Fund ($3,000), according to its 2025 IRS Form 990-PF. It also paid 1 individual scholarship ($21,000), which are not listed by name. Together they received 21% of its itemized 2025 grant dollars.

How large is Thomas Cholnoky Foundation?

Thomas Cholnoky Foundation reported $915K in total assets on its 2025 IRS Form 990-PF. It paid out $49K in qualifying distributions that year, against a required minimum of $46K (roughly 5% of its investment assets).

What does Thomas Cholnoky Foundation fund?

The foundation’s own mission is not stated in the available information. Its 2025 grants included scholarship-designated awards and support for organizations working in areas such as ALS research and care, conservation, Ukraine-related cultural engagement, and liberal arts education. See mission & focus areas ↑

How do I apply for a grant from Thomas Cholnoky Foundation?

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

What is Thomas Cholnoky Foundation's EIN?

Thomas Cholnoky Foundation's EIN (Employer Identification Number) is 22-2610435. IRS Form 990 filing data is available on this page for 2019–2025.

Does Thomas Cholnoky 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 October 2026.

Data update history

(3)

When this profile's IRS filing data changed on Grantable

  1. Added Form 990-PF for fiscal year 2019 (received by the IRS July 16, 2020)
  2. Added Form 990-PF for fiscal year 2025 (received by the IRS August 6, 2026)
  3. IRS filings on file for fiscal years 2020–2024

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

Figures come from Thomas Cholnoky 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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