Dennis and Mireille Gillings Foundation
Dennis and Mireille Gillings Foundation is a private foundation, based in Durham, NC. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $39K in total assets. In 2024, it awarded 6 grants totaling $2.5M. Net investment income was $1.6M.
Dennis and Mireille Gillings Foundation at a glance
In short: Dennis and Mireille Gillings Foundation gave $2.5M across 6 grants in 2024 (avg $409K), top state New York. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $2,451,489
- +13.0% vs 2023
- Grants made (2024)
- 6
- -25.0% vs 2023
- Average grant
- $408,582
- +50.6% vs 2023
- Median grant
- $260,000
- Total assets
- $38,689
- -26.7% vs 2023
- Primary geography
- New York (20% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990-PF, 2024 View filing
Data from IRS Form 990-PF, 2024; updated September 2026.
Who Dennis and Mireille Gillings Foundation funds
How this funder distributes its grants
Top Recipients
Top 6 recipients in 2024
The largest 2024 recipient was University of Exeter ($1.3M). Together the top 6 received $2.5M.
Grant Size Distribution
32 grants across all recorded years
The most common grant size was under $50K: 18 grants of 32 (56%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2024 grant dollars across all 6 itemized grants.
Cities
How Dennis and Mireille Gillings Foundation gives
- Giving held roughly steady from 2021 to 2024 (−3%). Method
- In 2023 it paid out well above its IRS minimum distribution (the 5% rule). Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2024, annual grant giving ranged from $1.5M (2020) to $2.7M (2022). In 2024 it made 6 grants totaling $2.5M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| University of Exeter | University of Exeter Medical School | $1,275,294 |
| Thrombosis Research Institute | Research and Treatment Development | $636,195 |
| Pasteur Foundation New York, NY | Global Public Health Fellowships | $500,000 |
| Ohana Foundation Kailua Kona, HI | Hualalai Ohana Foundation | $20,000 |
| Hawaii Island Humane Society Kailuakona, HI | Rescue and Adopt Unwanted Animals | $10,000 |
| MGSDII Encinitas, CA | Israel Cultural Development Within University Campus | $10,000 |
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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 |
|---|---|---|---|---|---|---|---|---|
| 2024 | $38,689 | $4,450,340 | $2,461,899 | $2,451,489 | 6 | $2,451,899 | $1,594,460 | — |
| 2023 | $52,748 | $2,246,274 | $2,226,428 | $2,170,251 | 8 | $2,177,839 | $2,238,685 | $138,432 |
| 2022 | $32,902 | $1,319,745 | $2,725,404 | $2,689,200 | 7 | $2,698,629 | $1,310,320 | $230,682 |
| 2021 | $1,438,561 | $2,430,111 | $2,562,862 | $2,525,100 | 6 | $2,526,549 | $2,428,798 | $322,061 |
| 2020 | $1,571,312 | $1,291,338 | $1,532,444 | $1,500,570 | 5 | — | $1,291,338 | $302,649 |
Leadership & Key People
Officers and directors from IRS filings
Dennis and Mireille Gillings Foundation is led by Dennis Gillings, President on every filing since 2020; none of the 3 officers listed in 2024 report compensation.
Officers on the 2024 filing
Dennis Gillings
President
On filings since 2020
No compensation reported
Carl Hellman
Secretary & Treasurer
On filings since 2020
No compensation reported
Mireille Gillings
Vice President
On filings since 2020
No compensation reported
Data from IRS Form 990 filings, 2020–2024. "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 Dennis and Mireille Gillings Foundation
How much does Dennis and Mireille Gillings Foundation give each year?
Dennis and Mireille Gillings Foundation gave $2.5M across 6 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $2.2M across 8 grants.
What is Dennis and Mireille Gillings Foundation's typical grant size?
Dennis and Mireille Gillings Foundation's median grant in 2024 was $260,000, and its average grant was $408,582, across 6 grants on its 2024 IRS Form 990-PF.
Where does Dennis and Mireille Gillings Foundation give grants?
Dennis and Mireille Gillings Foundation's top state is New York, with 20% of the grant dollars itemized on its 2024 IRS Form 990-PF. The most frequent recipient cities were Kailuakona, HI (2 grants).
Does Dennis and Mireille Gillings Foundation give general operating support?
Not in 2024: none of the 6 grants with a stated purpose on Dennis and Mireille Gillings Foundation's 2024 IRS Form 990-PF were described as general or operating support.
Who are Dennis and Mireille Gillings Foundation's largest grantees?
Dennis and Mireille Gillings Foundation's largest 2024 grantees include University of Exeter ($1,275,294), Thrombosis Research Institute ($636,195) and Pasteur Foundation ($500,000), according to its 2024 IRS Form 990-PF. Together they received 98% of its itemized 2024 grant dollars.
How large is Dennis and Mireille Gillings Foundation?
Dennis and Mireille Gillings Foundation reported $39K in total assets on its 2024 IRS Form 990-PF. Its revenue that year was $4.5M.
What is Dennis and Mireille Gillings Foundation's EIN?
Dennis and Mireille Gillings Foundation's EIN (Employer Identification Number) is 56-2197561. IRS Form 990 filing data is available on this page for 2020–2024.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2024
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