Bruce and Deborah Duncan Foundation
The Bruce and Deborah Duncan Foundation is a private foundation based in Naples, Florida. In 2025, it awarded 36 grants totaling $1,502,000 to organizations including policy, religious, conservation, arts, education, and health-related grantees.
Bruce and Deborah Duncan Foundation at a glance
In short: Bruce and Deborah Duncan Foundation gave $1.5M across 36 grants in 2025 (avg $42K), top state District of Columbia. 22% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $1,502,000
- +26.2% vs 2024
- Grants made (2025)
- 36
- -20.0% vs 2024
- Average grant
- $41,722
- +57.8% vs 2024
- Median grant
- $20,000
- Total assets
- $44,337,103
- +13.6% vs 2024
- New grantees (estimate)
- 22% first-time grantees (8 of 36, 2025)
- Primary geography
- District of Columbia (49% 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 Bruce and Deborah Duncan Foundation
- How to Apply
-
Contact Bruce W. Duncan. There is no standardized application form; a letter requesting a contribution is sufficient. Organizations must be charitable, scientific, religious, or educational as defined under Internal Revenue Code Section 170(c).
- Review Cycle
- There are no submission deadlines.
- Deadline
- There are no submission deadlines.
- Contact
Application contact: Bruce W Duncan
Mailing address: 1285 Gulf Shore Blvd N Suite 3A, Naples, FL 34102
Phone: (312) 337-9633
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Bruce and Deborah Duncan Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was The Heritage Foundation ($675K). Together the top 10 received $1.1M.
Grant Size Distribution
207 grants across all recorded years
The most common grant size was under $50K: 186 grants of 207 (90%).
Geographic Focus
Where this funder awards grants
In 2025, recipients in Washington, DC, received 49% of grant dollars; Florida recipients received 26%, Massachusetts recipients 13%, Illinois recipients 9%, and California recipients 2%.
Grant Distribution by State
Share of 2025 grant dollars across all 36 itemized grants.
States
Cities
Is Bruce and Deborah Duncan Foundation open to new grantees?
22%
first-time grantees, 2025
In 2025, 8 of 36 grantees (22%) were first-time recipients. First grants averaged $33K; repeat grants $44K. How we count
Medians: $10K first-time, $20K repeat.
- 69% of 2025 grantees were also funded in 2024. Method
- Giving held roughly steady from 2022 to 2025 (+12%). Method
- In 2025 it paid out 80% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. 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
From 2020 to 2025, annual grant giving ranged from $926K (2020) to $1.5M (2025). In 2025 it made 36 grants totaling $1.5M.
Grants by year
Grant recipients and amounts by year
| Recipient | 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 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $44,337,103 | $13,407,257 | $1,869,354 | $1,502,000 | 36 | $1,506,778 | $7,818,913 | $1,872,204 |
| 2024 | $39,021,715 | $19,223,490 | $1,334,000 | $1,190,000 | 45 | $1,193,412 | $13,601,269 | $1,520,857 |
| 2023 | $29,993,040 | $8,814,787 | $1,241,095 | $1,230,000 | 51 | $1,234,675 | $5,805,281 | $1,179,163 |
| 2022 | $22,154,078 | $1,684,298 | $1,342,246 | $1,340,000 | 39 | $1,340,000 | $709,668 | $1,228,159 |
| 2021 | $29,972,251 | $3,240,298 | $1,135,073 | $1,095,000 | 36 | $1,100,500 | $720,520 | $1,346,253 |
| 2020 | $25,401,897 | $4,571,965 | $1,135,660 | $926,000 | 32 | — | $4,569,703 | $1,113,111 |
Under IRS private-foundation payout rules, Bruce and Deborah Duncan Foundation reported a distributable amount of $1.9M 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 foundation mission statement is provided in the available information. Its 2025 grants show support for organizations with varied missions. For example, The Heritage Foundation says its mission is to promote conservative public policies based on principles including free enterprise, limited government, individual freedom, traditional American values, and a strong national defense. Nantucket Conservation Foundation says it protects and stewards land and coastal shoreline, conserves natural resources, and conducts ecological research.
Other 2025 grantees describe work in distinct areas: St. Matthew’s House says it works to ensure people experiencing hunger, homelessness, or addiction have a pathway from crisis to contributor; Great Harbor Yacht Club Foundation says it works to promote the health of Nantucket’s harbor and marine ecosystem; and Rush University Medical Center says it aims to improve health through patient care, education, research, and community partnerships.
Grantmaking
In 2025, the foundation made 36 grants totaling $1,502,000. Grants ranged from $5,000 to $675,000, with a median grant of $20,000. The largest award was $675,000 to The Heritage Foundation for general operating support. Other notable grants included $167,000 to St Andrews Baptist Church, $70,000 to Nantucket Island Safe Harbor for Animals, $55,000 to Moorings Presbyterian Church, and $50,000 to Northwestern Memorial Foundation; each was designated for general operating support.
The foundation also awarded $30,000 to an individual recipient Charter School and $25,000 each to Artis-Naples, Nantucket Conservation Foundation, Nantucket Cottage Hospital Foundation, NCH Center for Philanthropy, Parkinson’s Research and Education Foundation, and Stanford University. These grants were listed for general operating support.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Bruce W. Duncan as president and Deborah E. Duncan as vice president.
Bruce and Deborah Duncan Foundation is led by Bruce W. Duncan, President on every filing since 2020; none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
Bruce W. Duncan
President
On filings since 2020
1 hr/week
No compensation reported
Deborah E. Duncan
Vice President
On filings since 2020
10 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 Bruce and Deborah Duncan Foundation
How much does Bruce and Deborah Duncan Foundation give each year?
Bruce and Deborah Duncan Foundation gave $1.5M across 36 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $1.2M across 45 grants.
What is Bruce and Deborah Duncan Foundation's typical grant size?
Bruce and Deborah Duncan Foundation's median grant in 2025 was $20,000, and its average grant was $41,722, across 36 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Bruce and Deborah Duncan Foundation that year got $33K on average.
Where does Bruce and Deborah Duncan Foundation give grants?
Bruce and Deborah Duncan Foundation's top state is District of Columbia, with 49% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were Florida (26%) and Massachusetts (13%). The most frequent recipient cities were Naples, FL (9 grants), Nantucket, MA (6 grants), Chicago, IL (6 grants) and Washington, DC (4 grants).
Does Bruce and Deborah Duncan Foundation give general operating support?
Yes: 100% of Bruce and Deborah Duncan Foundation's 2025 grants with a stated purpose (36 of 36) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are Bruce and Deborah Duncan Foundation's largest grantees?
Bruce and Deborah Duncan Foundation's largest 2025 grantees include The Heritage Foundation ($675,000), St Andrews Baptist Church ($167,000) and Nantucket Island Safe Harbor for Animals ($70,000), according to its 2025 IRS Form 990-PF. Together they received 61% of its itemized 2025 grant dollars.
How large is Bruce and Deborah Duncan Foundation?
Bruce and Deborah Duncan Foundation reported $44.3M in total assets on its 2025 IRS Form 990-PF. It paid out $1.5M in qualifying distributions that year, against a required minimum of $1.9M (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.
What does Bruce and Deborah Duncan Foundation fund?
No foundation mission statement is provided in the available information. Its 2025 grants show support for organizations with varied missions. See mission & focus areas ↑
How do I apply for a grant from Bruce and Deborah Duncan Foundation?
Contact Bruce W. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Bruce and Deborah Duncan Foundation's EIN?
Bruce and Deborah Duncan Foundation's EIN (Employer Identification Number) is 20-3871657. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(2)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2025 (received by the IRS August 6, 2026)
- IRS filings on file for fiscal years 2020–2024
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Cite this profile
Grantable. (2026). Bruce and Deborah Duncan Foundation funder profile. GrantGraph. Retrieved October 15, 2026, from https://grantable.co/funders/bruce-and-deborah-duncan-foundation-morg_76d34a96b6bc485d91d6a47809fe18a4
BibTeX
@misc{grantable_203871657_2026,
author = {{Grantable}},
title = {{Bruce and Deborah Duncan Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/bruce-and-deborah-duncan-foundation-morg_76d34a96b6bc485d91d6a47809fe18a4},
note = {Accessed 2026-10-15. 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 Bruce and Deborah Duncan 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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