The Dinan Family Foundation
The Dinan Family Foundation is based in West Palm Beach, Florida, and its 2025 filing lists 38 grants totaling $6,146,604. Its grants supported organizations in areas including university and college education, performing arts, museums, hospital care, youth sports, and land conservation.
Key facts about The Dinan Family Foundation
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.
- EIN
- 13-3976827
- Latest 990 filing
- Form 990-PF, 2025
- Annual giving (2025)
- $6,146,604
- Grants made (2025)
- 38
- Average grant
- $161,753
- Median grant
- $24,000
- New grantees (estimate)
- 37% first-time grantees (14 of 38, 2025)
- Total assets
- $60,747,061
- Primary geography
- New York (68% of itemized 2025 grant dollars)
- Accepts unsolicited proposals
- No
- How to apply
- The foundation does not accept unsolicited requests; grants are made at trustee discretion to preselected organizations. Full details ↓
Data from IRS Form 990-PF, 2025; updated September 2026. New grantees are estimated by matching recipient names across years (methodology). Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Financial Overview
From 2025 IRS Form 990-PF · View filing
Total Assets
$60.7M
-3.4% YoY
Annual Giving
$6.1M
+22.5% YoY
Grant Count
38
-32.1% YoY
Avg Grant Size
$162K
+80.6% YoY
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.
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.
Mission & Focus Areas
No mission statement for the foundation is provided. Its 2025 grants show support for educational institutions, arts and cultural organizations, hospitals, youth sports, and land conservation.
The grantees describe their work in varied terms. The Rockefeller University says it conducts biomedical and other scientific research and graduate education to improve understanding of life. Lincoln Center for the Performing Arts says it promotes the performing arts and educates the public. The Museum of the City of New York says it helps people understand urban life by interpreting the city’s past, present, and future. North Salem Open Land Foundation says it works to preserve the area’s natural beauty and ecological integrity.
Grantmaking
In 2025, the foundation made 38 grants totaling $6,146,604. Grants ranged from $13 to $2,050,000, with a median of $24,000. The largest grants included $2,050,000 to The Rockefeller University for university education; $1,349,599 to Lincoln Center for the Performing Arts; $588,954 to the Trustees of the University of Pennsylvania for university education; and $500,000 to Smith College for college education.
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Geographic Focus
Where this funder awards grants
In 2025, New York recipients received 68% of grant dollars, followed by Massachusetts and Pennsylvania at 10% each, Wisconsin at 4%, and Tennessee at 3%. The listed grants also included recipients in Colorado.
Grant Distribution by State
Share of 2025 grant dollars across all 38 itemized grants.
States
Cities
Giving Over Time
Total grant dollars and number of grants per year
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.
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
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
The most common grant size was under $50K: 208 grants of 263 (79%).
Giving History
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| The Rockefeller University New York, NY | University Education | $2,050,000 |
| Lincoln Center for the Performing Arts New York, NY | General | $1,349,599 |
| The Trustees of The University of Penn Philadelphia, PA | University Education | $588,954 |
| Smith College Northampton, MA | College Education | $500,000 |
| Museum of the City of New York New York, NY | Arts & Culture | $250,000 |
| Froedtert Hospital Foundation Milwaukee, WI | Advanced Patient Care Services | $200,000 |
| St Jude Children's Research Hospital Memphis, TN | Hospital for Childhood Cancer and Pediatric Diseas | $200,000 |
| Hospital for Special Surgery Fund Inc New York, NY | Specialty Hospital Care | $194,200 |
| USA Wrestling Colorado Springs, CO | Youth Organized Sports | $187,625 |
| President and Fellows of Harvard College Cambridge, MA | University Education | $100,000 |
Financial History
Multi-year comparison from IRS filings
| Filing year | Assets | Revenue | Expenses | Grant total | Grant count |
|---|---|---|---|---|---|
| 2025 | $60,747,061 | $4,698,974 | $6,855,738 | $6,146,604 | 38 |
| 2024 | $62,903,825 | $12,312,068 | $5,492,921 | $5,016,027 | 56 |
| 2023 | $56,084,678 | $2,978,080 | $5,426,525 | $5,021,333 | 68 |
The filing type is 990T.
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $60,747,061 | $62,903,825 | $56,084,678 |
| Revenue | $4,698,974 | $12,312,068 | $2,978,080 |
| Expenses | $6,855,738 | $5,492,921 | $5,426,525 |
| Qualifying Distributions | $6,146,604 | $5,016,027 | $5,021,333 |
| Net Investment Income | $4,696,502 | $13,466,608 | $3,507,610 |
| Distributable Amount | $4,720,075 | $4,354,633 | $4,813,821 |
Data update history
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2020 (received by the IRS April 6, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS June 27, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS January 20, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS May 9, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS May 8, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 13, 2026)
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.
Contact
Mailing address: 525 Okeechobee Blvd Ste 820, West Palm Beach, FL 33401
Phone: (212) 300-1300
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 show support for educational institutions, arts and cultural organizations, hospitals, youth sports, and land conservation. See mission & focus areas ↑
How do I apply for a grant from The Dinan Family Foundation?
The foundation does not accept unsolicited requests; grants are made at trustee discretion to preselected organizations. 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 September 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
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