The Dinan Family Foundation

Private foundation · Grantmaker West Palm Beach, FL EIN: 13-3976827

The Dinan Family Foundation is a private foundation based in West Palm Beach, Florida. Its 2025 grants supported organizations in education, the performing arts, health care, youth sports, and land conservation, among other areas.

The Dinan Family Foundation at a glance

In short: The Dinan Family Foundation gave $6.1M across 38 grants in 2025 (avg $162K), mostly in New York. 37% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$6,146,604
+22.5% vs 2024
Grants made (2025)
38
-32.1% vs 2024
Average grant
$161,753
+80.6% vs 2024
Median grant
$24,000
Total assets
$60,747,061
-3.4% vs 2024
New grantees (estimate)
37% first-time grantees (14 of 38, 2025)
Primary geography
New York (68% 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 The Dinan Family Foundation

Accepts unsolicited proposals
No
How to Apply

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

Contact

Mailing address: 525 Okeechobee Blvd Ste 820, West Palm Beach, FL 33401
Phone: (212) 300-1300

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

Who The Dinan Family Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

The Rockefeller University: $2.0MThe Rockefeller University$2.0MLincoln Center for the Performing Arts: $1.3MLincoln Center for thePerforming Arts$1.3MThe Trustees of The University of Penn: $589KThe Trustees of The Universityof Penn$589KSmith College: $500KSmith College$500KMuseum of the City of New York: $250KMuseum of the City of New York$250KFroedtert Hospital Foundation: $200KFroedtert Hospital Foundation$200KSt Jude Children's Research Hospital: $200KSt Jude Children's ResearchHospital$200KHospital for Special Surgery Fund Inc: $194KHospital for Special SurgeryFund Inc$194KUSA Wrestling: $188KUSA Wrestling$188KPresident and Fellows of Harvard College: $100KPresident and Fellows ofHarvard College$100K

The largest 2025 recipient was The Rockefeller University ($2.0M). Together the top 10 received $5.6M.

Grant Size Distribution

263 grants across all recorded years

208<$50K12$50–100K19$100–250K7$250–500K7$500K–1M10$1–5M$5M+

The most common grant size was under $50K: 208 grants of 263 (79%).

Geographic Focus

Where this funder awards grants

In 2025, the largest shares of grant dollars went to recipients in New York (68%), Massachusetts (10%), and Pennsylvania (10%). Smaller shares went to recipients in Wisconsin (4%) and Tennessee (3%).

Grant Distribution by State

18states

Share of 2025 grant dollars across all 38 itemized grants.

Cities

New YorkNantucketNorth SalemCambridgeKatonahPhiladelphiaWashingtonMiamiMilwaukeeDevonBronxColorado SpringsMemphisMontclairNewportWorchesterCroton FallsStamfordWest Palm BeachAnnapolis

Is The Dinan Family Foundation open to new grantees?

37%

first-time grantees, 2025

In 2025, 14 of 38 grantees (37%) were first-time recipients. First grants averaged $14K; repeat grants $248K. How we count

Medians: $5K first-time, $50K repeat.

  • 45% of 2025 grantees were also funded in 2024. Method
  • Giving held roughly steady from 2022 to 2025 (+19%). Method
  • In 2025 it paid out 130% 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$2M$4M$6M$8M59 grants2020 46 grants2021 55 grants2022 68 grants2023 56 grants2024 38 grants2025

From 2020 to 2025, annual grant giving ranged from $4.5M (2020) to $6.1M (2025). In 2025 it made 38 grants totaling $6.1M.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
The Rockefeller University New York, NYUniversity Education$2,050,000
Lincoln Center for the Performing Arts New York, NYGeneral$1,349,599
The Trustees of The University of Penn Philadelphia, PAUniversity Education$588,954
Smith College Northampton, MACollege Education$500,000
Museum of the City of New York New York, NYArts & Culture$250,000
Froedtert Hospital Foundation Milwaukee, WIAdvanced Patient Care Services$200,000
St Jude Children's Research Hospital Memphis, TNHospital for Childhood Cancer and Pediatric Diseas$200,000
Hospital for Special Surgery Fund Inc New York, NYSpecialty Hospital Care$194,200
USA Wrestling Colorado Springs, COYouth Organized Sports$187,625
President and Fellows of Harvard College Cambridge, MAUniversity Education$100,000
Your AI grants department

Ready to take the next step with The Dinan Family Foundation?

Fully replaces Grant database subscriptions Instrumentl · Foundation Directory · GrantStation & similar

Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2025$60,747,061$4,698,974$6,855,738$6,146,60438$6,146,604$4,696,502$4,720,075
2024$62,903,825$12,312,068$5,492,921$5,016,02756$5,016,027$13,466,608$4,354,633
2023$56,084,678$2,978,080$5,426,525$5,021,33368$5,021,333$3,507,610$4,813,821
2022$58,533,275$5,088,188$5,380,248$5,165,79055$5,165,790$4,877,894$5,014,898
2021$58,839,492$951,961$4,953,328$4,740,81546—$820,720$4,861,197
2020$62,840,857$3,372,296$4,579,237$4,450,00359—$3,472,733$4,476,714

Under IRS private-foundation payout rules, The Dinan Family Foundation reported a distributable amount of $4.7M 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

No mission statement for the foundation is provided. Its 2025 grants included support for university and college education, arts and culture, hospital care, youth organized sports, and land resources.

The grantees’ own descriptions illustrate the range of work supported. The Rockefeller University describes itself as a research and graduate-education institution whose laboratories conduct biomedical and other scientific research. Lincoln Center for the Performing Arts says it works to promote the performing arts and educate the public. The Museum of the City of New York says it fosters understanding of urban life and interprets New York City’s past, present, and future. Froedtert Hospital Foundation describes its work as advancing community health through excellence and discovery. North Salem Open Land Foundation says it works to preserve the character and natural beauty of its area.

Grantmaking

In 2025, the foundation reported 38 grants totaling $6,146,604. Grant amounts ranged from $13 to $2,050,000, with a median of $24,000. Its largest reported grants included $2,050,000 to The Rockefeller University for university education; $1,349,599 to Lincoln Center for the Performing Arts for general purposes; $588,954 to the Trustees of the University of Pennsylvania for university education; and $500,000 to Smith College for college education.

Other notable 2025 grants included $250,000 to the Museum of the City of New York, $200,000 each to Froedtert Hospital Foundation and St Jude Children’s Research Hospital, and $194,200 to the Hospital for Special Surgery Fund.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2025 filing lists James G Dinan and Elizabeth Miller as directors, and Zachary M Dinan and Katherine A Dinan as board members.

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

Officers on the 2025 filing

  • Elizabeth Miller

    Director

    On filings since 2020

    0.3 hrs/week

    No compensation reported

  • James G. Dinan

    Director

    On filings since 2020

    0.3 hrs/week

    No compensation reported

  • Katherine A. Dinan

    Board Member

    On filings since 2020

    0.3 hrs/week

    No compensation reported

  • Zachary M. Dinan

    Board Member

    On filings since 2020

    0.3 hrs/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.

Frequently asked questions about The Dinan Family Foundation

How much does The Dinan Family Foundation give each year?

The Dinan Family Foundation gave $6.1M across 38 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $5.0M across 56 grants.

What is The Dinan Family Foundation's typical grant size?

The Dinan Family Foundation's median grant in 2025 was $24,000, and its average grant was $161,753, across 38 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from The Dinan Family Foundation that year got $14K on average.

Where does The Dinan Family Foundation give grants?

The Dinan Family Foundation gives mostly in New York: 68% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were Massachusetts (10%) and Pennsylvania (10%). The most frequent recipient cities were New York, NY (17 grants), Milwaukee, WI (2 grants) and Nantucket, MA (2 grants).

Does The Dinan Family Foundation give general operating support?

Yes: 39% of The Dinan Family Foundation's 2025 grants with a stated purpose (15 of 38) were for general or operating support, per its 2025 IRS Form 990-PF. Recurring purposes include "Art & Culture" (4 grants), "Youth Organized Sports" (3 grants) and "University Education" (3 grants).

Who are The Dinan Family Foundation's largest grantees?

The Dinan Family Foundation's largest 2025 grantees include The Rockefeller University ($2,050,000), Lincoln Center for the Performing Arts ($1,349,599) and The Trustees of The University of Penn ($588,954), according to its 2025 IRS Form 990-PF. Together they received 65% of its itemized 2025 grant dollars.

How large is The Dinan Family Foundation?

The Dinan Family Foundation reported $60.7M in total assets on its 2025 IRS Form 990-PF. It paid out $6.1M in qualifying distributions that year, against a required minimum of $4.7M (roughly 5% of its investment assets).

What does The Dinan Family Foundation fund?

No mission statement for the foundation is provided. Its 2025 grants included support for university and college education, arts and culture, hospital care, youth organized sports, and land resources. See mission & focus areas ↑

How do I apply for a grant from The Dinan Family Foundation?

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

What is The Dinan Family Foundation's EIN?

The Dinan Family Foundation's EIN (Employer Identification Number) is 13-3976827. IRS Form 990 filing data is available on this page for 2020–2025.

Does The Dinan Family 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

(6)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2020 (received by the IRS April 6, 2021)
  2. Updated Form 990-PF for fiscal year 2021 (received by the IRS June 27, 2022)
  3. Updated Form 990-PF for fiscal year 2022 (received by the IRS January 20, 2023)
  4. Updated Form 990-PF for fiscal year 2023 (received by the IRS May 9, 2024)
  5. Updated Form 990-PF for fiscal year 2024 (received by the IRS May 8, 2025)
  6. Added Form 990-PF for fiscal year 2025 (received by the IRS May 13, 2026)

Explore Open Grants

Browse active grant opportunities in The Dinan Family Foundation's focus areas in our free grants database

Similar Funders

Funders that support many of the same organizations

IBM International Foundation

Armonk, NY

The IBM International Foundation funds education and workforce programs that build 21st-century and technology job skills, including initiatives for underserved students and job seekers. Its 2024 grants ranged from $10,000 to $8.48 million, with a median of $100,000, and went to organizations across several U.S. states, especially Delaware and Massachusetts. It funds only preselected organizations and does not accept unsolicited requests.

Assets

$357.7M

Grants

16

Total Given

$11.7M

Bristol-Myers Squibb Foundation Inc

Princeton, NJ

The Bristol-Myers Squibb Foundation supports health access and stronger health systems, with a focus on adult and pediatric cancers, blood disorders, brain health, and clinical-trial participation in the United States, Brazil, India, and ten Sub-Saharan African countries. In 2024, its median grant was about $134,000, though awards varied widely; it does not state whether it accepts unsolicited requests, and advises prospective applicants to contact the Foundation about its process.

Assets

$83.3M

Grants

144

Total Given

$67.7M

The Warburg Pincus Foundation

New York, NY

The Warburg Pincus Foundation supports charitable, educational, and community organizations across fields including the arts, education, journalism, health care, and basic needs, with most 2025 grant dollars going to New York organizations and additional giving in other U.S. states and more than 20 countries. Its 2025 grants ranged from $60 to $492,500, with a median of $6,000. It does not accept unsolicited requests and gives only to preselected organizations.

Assets

$2.2M

Grants

297

Total Given

$5.5M

The Rockefeller Foundation

New York, NY

The Rockefeller Foundation funds initiatives in energy access, sustainable food systems, health, climate, economic opportunity, and finance in the United States and around the world. In 2024, it made 381 grants, with a median grant of about $171,000, though awards ranged widely; it does not accept unsolicited requests and funds preselected organizations only.

Assets

$6.4B

Grants

381

Total Given

$233.2M

FJC

New York, NY

FJC supports nonprofits and fiscally sponsored charitable projects across areas including arts, education, social services, health, religion, and the environment, with grantmaking concentrated in New York and also reaching other U.S. states. In 2025, grants had a median of $17,200 and ranged from $5,040 to $2.8 million. The profile does not state whether FJC accepts unsolicited grant requests.

Crime & Legal Related

Assets

$462.3M

Grants

747

Total Given

$41.7M

The Lazard Charitable Foundation

New York, NY

Philanthropy, Voluntarism & Grantmaking

Assets

$10K

Grants

437

Total Given

$1.6M

More similar funders

More Funders in Florida

Cite this profile

Grantable. (2026). The Dinan Family Foundation funder profile. GrantGraph. Retrieved October 21, 2026, from https://grantable.co/funders/the-dinan-family-foundation-morg_daae0fb9939244bc937407ee3e103411

BibTeX
@misc{grantable_133976827_2026,
  author       = {{Grantable}},
  title        = {{The Dinan Family Foundation funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/the-dinan-family-foundation-morg_daae0fb9939244bc937407ee3e103411},
  note         = {Accessed 2026-10-21. 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 The Dinan 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.

The Dinan Family Foundation down — hundreds of funders to go?

Want AI to do this for you?