Leighton a Rosenthal Family Foundation

Private foundation · Grantmaker Cleveland, OH EIN: 13-6877098

The Leighton A Rosenthal Family Foundation is a private foundation based in Cleveland, Ohio. It reported making 10 grants totaling $195,000 in 2025.

Leighton a Rosenthal Family Foundation at a glance

In short: Leighton a Rosenthal Family Foundation gave $195K across 10 grants in 2025 (avg $20K), top state Ohio. 10% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$195,000
+44.4% vs 2024
Grants made (2025)
10
+11.1% vs 2024
Average grant
$19,500
+30.0% vs 2024
Median grant
$15,000
Total assets
$713,597
-18.4% vs 2024
New grantees (estimate)
10% first-time grantees (1 of 10, 2025; small sample)
Primary geography
Ohio (26% 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 Leighton a Rosenthal Family Foundation

How to Apply

The foundation’s 2025 filing directs applicants to contact Jane R. Horvitz or Cynthia R. Boardma and submit a letter outlining the purpose of the requested donation. The filing states that there are no deadlines or restrictions on awards.

Contact

Application contact: Jane R Horvitz Or Cynthia R Boardma
Mailing address: C/O 1100 Superior Avenue 1105, Cleveland, OH 44114
Phone: (216) 479-2200

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

Who Leighton a Rosenthal Family Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

Hathaway Brown School: $50KHathaway Brown School$50KKent Denver School: $45KKent Denver School$45KBoston Children's Hospital Foundation: $20KBoston Children's HospitalFoundation$20KUnited Way Services - Palm Beach: $20KUnited Way Services - PalmBeach$20KNorton Museum of Art: $15KNorton Museum of Art$15KThe Metropolitan Museum of Art: $15KThe Metropolitan Museum of Art$15KSt Jude Children's Research Hospital: $10KSt Jude Children's ResearchHospital$10KThe Frick Collection: $10KThe Frick Collection$10KGlades Academy: $5KGlades Academy$5KPeggy Adams Animal Rescue: $5KPeggy Adams Animal Rescue$5K

The largest 2025 recipient was Hathaway Brown School ($50K). Together the top 10 received $195K.

Grant Size Distribution

50 grants across all recorded years

45<$50K5$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 45 grants of 50 (90%).

Geographic Focus

Where this funder awards grants

The foundation’s 2025 grant dollars were reported as 26% to Ohio, 23% to Florida, 23% to California, 13% to New York, and 10% to Massachusetts. Its listed 2025 grants also included a $10,000 award to St. Jude Children’s Research Hospital in Tennessee.

Grant Distribution by State

9states

Share of 2025 grant dollars across all 10 itemized grants.

Cities

West Palm BeachPalm BeachNew YorkShaker HeightsBostonCoral GablesEnglewoodFort LauderdaleChestnut HillClevelandCleveland HTSMemphisMiamiPhoenixWashingtonRochester

Is Leighton a Rosenthal Family Foundation open to new grantees?

10%

first-time grantees, 2025

In 2025, 1 of 10 grantees (10%) were first-time recipients. With only 10 grantees, that is a small sample: one grantee more or less moves the share by about 10 points. First grants averaged $10K; repeat grants $21K. How we count

Medians: $10K first-time, $15K repeat.

  • 70% of 2025 grantees were also funded in 2024. Method
  • Giving grew 44% from 2022 to 2025. Method
  • In 2025 it paid out 104% of its IRS minimum distribution (the 5% rule). Method

Estimate from itemized grant lists in IRS Form 990-PF filings (2019–2025). 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$50K$100K$150K$200K7 grants2019 8 grants2020 13 grants2021 9 grants2022 9 grants2023 9 grants2024 10 grants2025

From 2019 to 2025, annual grant giving ranged from $85K (2019) to $195K (2025). In 2025 it made 10 grants totaling $195K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Hathaway Brown School Shaker Heights, OHLighting the Way Campaign.$50,000
Kent Denver School Englewood, CAGeneral Use of the Recipient.$45,000
Boston Children's Hospital Foundation Boston, MAGeneral Use of the Recipient.$20,000
United Way Services - Palm Beach Palm Beach, FLGeneral Use of the Recipient.$20,000
Norton Museum of Art West Palm Beach, FLGeneral Use of the Recipient.$15,000
The Metropolitan Museum of Art New York, NYGeneral Use of the Recipient.$15,000
St Jude Children's Research Hospital Memphis, TNGeneral Use of the Recipient.$10,000
The Frick Collection New York, NYGeneral Use of the Recipient.$10,000
Glades Academy West Palm Beach, FLGeneral Use of the Recipient.$5,000
Peggy Adams Animal Rescue West Palm Beach, FLGeneral Use of the Recipient.$5,000
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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$713,597$47,768$209,000$195,00010$207,404$46,172$200,349
2024$874,829$56,917$157,566$135,0009$147,402$55,322$183,325
2023$975,478$347,953$186,140$157,5009$183,656$345,469$152,735
2022$770,575$36,044$164,587$135,0009$162,103$36,510$159,989
2021$856,729$57,159$202,689$170,66113$197,484$54,675$178,234
2020$950,363$126,266$153,310$122,5008—$123,782$140,931
2019$930,554$60,457$116,373$85,0007—$57,973$136,198

Under IRS private-foundation payout rules, Leighton a Rosenthal Family Foundation reported a distributable amount of $200K 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 organizations working in education, the arts, health, social services, and animal rescue.

Among the grantees, the Norton Museum of Art describes its mission as welcoming visitors to experience the transformative power of art through its programs and collections. The Frick Collection says it operates an art museum and library for public enjoyment and the advancement of fine arts study. St. Jude Children’s Research Hospital describes its mission as advancing cures and prevention for pediatric catastrophic diseases through research and treatment. Glades Academy says it operates a charter school for low-income families in Pahokee, Florida, with an instructional program focused on reading, writing, and math.

Grantmaking

In 2025, the foundation reported 10 grants totaling $195,000. Grants ranged from $5,000 to $50,000, with a median of $15,000.

The largest awards were $50,000 to Hathaway Brown School for its “Lighting the Way Campaign” and $45,000 to Kent Denver School for general use. Other grants included $20,000 each to Boston Children’s Hospital Foundation and United Way Services - Palm Beach; $15,000 each to the Norton Museum of Art and The Metropolitan Museum of Art; and $10,000 each to St. Jude Children’s Research Hospital and The Frick Collection. Glades Academy and Peggy Adams Animal Rescue each received $5,000.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2025 filing lists Cynthia R. Boardman and Jane R. Horvitz as trustees.

Leighton a Rosenthal Family Foundation's 2025 filing lists 2 officers; none of the 2 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Cynthia R. Boardman

    Trustee

    On filings since 2019

    1 hr/week

    No compensation reported

  • Jane R. Horvitz

    Trustee

    On filings since 2019

    1 hr/week

    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 Leighton a Rosenthal Family Foundation

How much does Leighton a Rosenthal Family Foundation give each year?

Leighton a Rosenthal Family Foundation gave $195K across 10 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $135K across 9 grants.

What is Leighton a Rosenthal Family Foundation's typical grant size?

Leighton a Rosenthal Family Foundation's median grant in 2025 was $15,000, and its average grant was $19,500, across 10 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Leighton a Rosenthal Family Foundation that year got $10K on average.

Where does Leighton a Rosenthal Family Foundation give grants?

Leighton a Rosenthal Family Foundation's top state is Ohio, with 26% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were Florida (23%) and California (23%). The most frequent recipient cities were West Palm Beach, FL (3 grants) and New York, NY (2 grants).

Does Leighton a Rosenthal Family Foundation give general operating support?

Yes: 90% of Leighton a Rosenthal Family Foundation's 2025 grants with a stated purpose (9 of 10) were for general or operating support, per its 2025 IRS Form 990-PF.

Who are Leighton a Rosenthal Family Foundation's largest grantees?

Leighton a Rosenthal Family Foundation's largest 2025 grantees include Hathaway Brown School ($50,000), Kent Denver School ($45,000) and Boston Children's Hospital Foundation ($20,000), according to its 2025 IRS Form 990-PF. Together they received 59% of its itemized 2025 grant dollars.

How large is Leighton a Rosenthal Family Foundation?

Leighton a Rosenthal Family Foundation reported $714K in total assets on its 2025 IRS Form 990-PF. It paid out $207K in qualifying distributions that year, against a required minimum of $200K (roughly 5% of its investment assets).

What does Leighton a Rosenthal Family Foundation fund?

No mission statement for the foundation is provided. Its 2025 grants show support for organizations working in education, the arts, health, social services, and animal rescue. See mission & focus areas ↑

How do I apply for a grant from Leighton a Rosenthal Family Foundation?

The foundation’s 2025 filing directs applicants to contact Jane R. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

What is Leighton a Rosenthal Family Foundation's EIN?

Leighton a Rosenthal Family Foundation's EIN (Employer Identification Number) is 13-6877098. IRS Form 990 filing data is available on this page for 2019–2025.

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

Data update history

(8)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2019 (received by the IRS March 18, 2020)
  2. Updated Form 990-PF for fiscal year 2020 (received by the IRS May 11, 2021)
  3. Updated Form 990-PF for fiscal year 2021 (received by the IRS March 15, 2022)
  4. Updated Form 990-PF for fiscal year 2022 (received by the IRS June 15, 2023)
  5. Updated Form 990-PF for fiscal year 2023 (received by the IRS February 10, 2026)
  6. Updated Form 990-PF for fiscal year 2024 (received by the IRS March 20, 2025)
  7. Updated Form 990-PF for fiscal year 2025 (received by the IRS March 2, 2026)
  8. IRS filings on file for fiscal years 2019–2025

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Cite this profile

Grantable. (2026). Leighton a Rosenthal Family Foundation funder profile. GrantGraph. Retrieved October 22, 2026, from https://grantable.co/funders/leighton-a-rosenthal-family-foundation-morg_5f105e7270a84df198682f3468abedc7

BibTeX
@misc{grantable_136877098_2026,
  author       = {{Grantable}},
  title        = {{Leighton a Rosenthal Family Foundation funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/leighton-a-rosenthal-family-foundation-morg_5f105e7270a84df198682f3468abedc7},
  note         = {Accessed 2026-10-22. Data licensed CC BY 4.0}
}

The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.

Figures come from Leighton a Rosenthal Family 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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