Bruce and Deborah Duncan Foundation
Historical FunderNaples, Florida · EIN 20-3871657 · Private foundation
Grants paid (2025)$1.5M
Organizations funded36
Typical grant$20,000
Total assets$44.3M
Half of its grants to organizations were between $10,000 and $25,000.
From the return
How to apply
The foundation filed the following application information (Form 990-PF Part XV, tax year 2025):
| Contact | BRUCE W DUNCAN |
|---|---|
| Address | 1285 GULF SHORE BLVD N SUITE 3A, NAPLES FL 34102 |
| Phone | 3123379633 |
| Form and materials | THERE ARE NO STANDARDIZED APPLICATION FORMS. A LETTER REQUESTING A CONTRIBUTION IS SUFFICIENT. |
| Deadlines | THERE ARE NO SUBMISSION DEADLINES. |
| Restrictions | ORGANIZATIONS MUST BE CHARITABLE, SCIENTIFIC, RELIGIOUS OR EDUCATIONAL AS DEFINED UNDER INTERNAL REVENUE CODE SECTION 170(C). |
Copied as filed. Deadlines on a tax return describe the foundation's usual process; they are not confirmation of a current open cycle.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
66% of grants went outside Florida.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| The Heritage Foundation | Washington, DC | General operating support | $675,000 |
| St Andrews Baptist Church | Panama City, FL | General operating support | $167,000 |
| Nantucket Island Safe Harbor for Animals | Nantucket, MA | General operating support | $70,000 |
| Moorings Presbyterian Church | Naples, FL | General operating support | $55,000 |
| Northwestern Memorial Foundation | Chicago, IL | General operating support | $50,000 |
| Chicago Collegiate Charter School | Chicago, IL | General operating support | $30,000 |
| Artis-Naples | Naples, FL | General operating support | $25,000 |
| Nantucket Conservation Foundation | Nantucket, MA | General operating support | $25,000 |
| Nantucket Cottage Hospital Foundation | Providence, MA | General operating support | $25,000 |
| Nch Center for Philanthropy | Naples, FL | General operating support | $25,000 |
| Parkinson's Research and Education Foundation Dba Institute for Neurodegene | Boca Raton, FL | General operating support | $25,000 |
| Stanford University | Redwood City, CA | General operating support | $25,000 |
| The Melanoma Research Alliance Foundation | Washington, DC | General operating support | $25,000 |
| A Safe Place Inc | Nantucket, MA | General operating support | $20,000 |
| Cato Institute | Washington, DC | General operating support | $20,000 |
| Great Harbor Yacht Club Foundation | Nantucket, MA | General operating support | $20,000 |
| Harry Chapin Food Bank of Southwest Florida | Fort Myers, FL | General operating support | $20,000 |
| Pathways Early Education Center of Immokalee | Naples, FL | General operating support | $20,000 |
| Rush University Medical Center | Chicago, IL | General operating support | $20,000 |
| St Matthew's House | Naples, FL | General operating support | $20,000 |
| 1916 Foundation Inc | Highland Park, IL | General operating support | $10,000 |
| Big Shoulders Fund | Chicago, IL | General operating support | $10,000 |
| Books for Collier Kids Inc | Naples, FL | General operating support | $10,000 |
| Cara | Chicago, IL | General operating support | $10,000 |
| Conservancy of Southwest Florida | Naples, FL | General operating support | $10,000 |
| Hillsdale College | Hillsdale, MI | General operating support | $10,000 |
| Millennium Park Foundation | Chicago, IL | General operating support | $10,000 |
| Nantucket Boys & Girls Club | Nantucket, MA | General operating support | $10,000 |
| Nantucket Golf Club Foundation | Siasconset, MA | General operating support | $10,000 |
| Nantucket Historical Association | Nantucket, MA | General operating support | $10,000 |
| The Daily Signal Institute | Washington, DC | General operating support | $10,000 |
| The Immokalee Foundation | Naples, FL | General operating support | $10,000 |
| Camp Blue Skies Foundation | Charlotte, NC | General operating support | $5,000 |
| Foundation for Individual Rights and Expression | Philadelphia, PA | General operating support | $5,000 |
| Gulfshore Playhouse | Naples, FL | General operating support | $5,000 |
| Mount Sinai Health System | New York, NY | General operating support | $5,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $1,502,000 | 36 |
| 2024 | $1,190,000 | 45 |
| 2023 | $1,230,000 | 51 |
Sources
- IRS Form 990-PF, tax year 2025, filed Aug 6, 2026 - IRS e-file batch, object ID 202602189349100715
- IRS Tax Exempt Organization Search for EIN 20-3871657
- Profile updated Nov 5, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.