Mt Cuba Center Inc
Mt Cuba Center Inc is a private foundation, based in Hockessin, DE. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $426.1M in total assets. In 2024, it awarded 3 grants totaling $1.5M. Net investment income was $18.1M.
Mt Cuba Center Inc at a glance
In short: Mt Cuba Center Inc gave $1.5M across 3 grants in 2024 (avg $511K), mostly in Delaware. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $1,532,641
- -6.2% vs 2023
- Grants made (2024)
- 3
- +0.0% vs 2023
- Average grant
- $510,880
- -6.2% vs 2023
- Median grant
- $25,000
- Total assets
- $426,092,310
- +6.5% vs 2023
- Primary geography
- Delaware (100% 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 Mt Cuba Center Inc funds
How this funder distributes its grants
Top Recipients
Top 3 recipients in 2024
The largest 2024 recipient was The Conservation Fund ($1.5M). Together the top 3 received $1.5M.
Grant Size Distribution
14 grants across all recorded years
The most common grant size was in the $500K–1M range: 4 grants of 14 (29%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2024 grant dollars across all 3 itemized grants.
States
Cities
How Mt Cuba Center Inc gives
- Giving fell 50% from 2021 to 2024. Method
- In 2022 it paid out 110% of 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 $312K (2020) to $3.1M (2021). In 2024 it made 3 grants totaling $1.5M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| The Conservation Fund Hockessin, DE | Conservation Projects | $1,500,000 |
| Longwood Gardens Hockessin, DE | Coordination Efforts on Conservation Projects | $25,000 |
| Various Sponsorships Hockessin, DE | Sponsorships | $7,641 |
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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 | $426,092,310 | $20,261,254 | $13,026,165 | $1,532,641 | 3 | $13,099,512 | $18,145,281 | — |
| 2023 | $399,975,224 | $15,937,225 | $19,557,108 | $1,634,634 | 3 | $16,063,676 | $10,025,655 | — |
| 2022 | $372,564,258 | $16,981,971 | $15,098,126 | $650,000 | 2 | $18,270,407 | $12,026,127 | $16,626,493 |
| 2021 | $424,495,426 | $32,718,600 | $13,308,254 | $3,086,085 | 5 | $15,153,750 | $30,910,835 | $17,381,419 |
| 2020 | $377,852,668 | $17,670,782 | $10,611,192 | $312,228 | 1 | — | $16,425,097 | $14,139,031 |
Leadership & Key People
Officers and directors from IRS filings
Mt Cuba Center Inc is led by Jeffrey Downing, Executive Director on every filing since 2020; 3 of 18 officers listed in 2024 are compensated.
Officers on the 2024 filing
Jeffrey Downing
Executive Director
On filings since 2020
40 hrs/week
$233K (2020) → $271K (2024)
Ann C. Rose
President
On filings since 2020
10 hrs/week
No compensation reported
Danyelle Fitzgerald
Assistant Secretary
On filings since 2023
40 hrs/week
$62K (2023) → $72K (2024)
Michael Husla
Assistant Treasurer
On filings since 2023
40 hrs/week
$148K (2023) → $168K (2024)
Blaine T. Phillips Sr.
Chairman Emeritus
On filings since 2020
1 hr/week
No compensation reported
Charles L. Copeland
Vice President
On filings since 2020
1 hr/week
No compensation reported
David D. Shields
Treasurer & Secretary
On filings since 2020
1 hr/week
No compensation reported
Eli Sharp
Manager
On filings since 2020
1 hr/week
No compensation reported
Elizabeth Sharp
Member Emerita
Manager → Member Emerita, 2021
On filings since 2020
1 hr/week
No compensation reported
Gerret Van S. Copeland
Manager
On filings since 2020
1 hr/week
No compensation reported
Henry B. Du Pont IV
Manager
On filings since 2020
1 hr/week
No compensation reported
Lammot Du Pont Copeland Jr.
Member Emeritus
On filings since 2020
1 hr/week
No compensation reported
Louisa C. Duemling
Member Emerita
Manager Emerita → Member Emerita, 2021
On filings since 2020
1 hr/week
No compensation reported
Marilyn Hayward
Manager
On filings since 2020
1 hr/week
No compensation reported
Pamela Biddle
Manager
On filings since 2020
1 hr/week
No compensation reported
Sandy Macchiarulo
Manager
On filings since 2020
1 hr/week
No compensation reported
Anita Pepper
Manager
On filings since 2021
1 hr/week
No compensation reported
David C. Blitzer
Manager
On filings since 2021
1 hr/week
No compensation reported
Former officers (2)
- Former: Jacqueline Gabrysh (2020–2022) — Assistant Secretary
- Former: Kawkab Rasheed (2020–2022) — Assistant Treasurer
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.
Compensation Overview
From 2024 IRS filing
The highest reported compensation on the 2024 filing was $271K, to Jeffrey Downing (Executive Director). 3 officers or directors reported compensation on that filing.
Frequently asked questions about Mt Cuba Center Inc
How much does Mt Cuba Center Inc give each year?
Mt Cuba Center Inc gave $1.5M across 3 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $1.6M across 3 grants.
What is Mt Cuba Center Inc's typical grant size?
Mt Cuba Center Inc's median grant in 2024 was $25,000, and its average grant was $510,880, across 3 grants on its 2024 IRS Form 990-PF.
Where does Mt Cuba Center Inc give grants?
Mt Cuba Center Inc gives mostly in Delaware: 100% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Hockessin, DE (3 grants).
Does Mt Cuba Center Inc give general operating support?
Not in 2024: none of the 3 grants with a stated purpose on Mt Cuba Center Inc's 2024 IRS Form 990-PF were described as general or operating support.
How large is Mt Cuba Center Inc?
Mt Cuba Center Inc reported $426.1M in total assets on its 2024 IRS Form 990-PF. Its revenue that year was $20.3M.
What is Mt Cuba Center Inc's EIN?
Mt Cuba Center Inc's EIN (Employer Identification Number) is 51-6001265. 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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Similar Funders
Funders with grantees in common, and similar funders in Delaware
Longwood Foundation Inc
Wilmington, DE
Longwood Foundation supports nonprofit organizations across sectors, funding operating, program, and capital requests that strengthen their work and impact. Recent average awards are $250,000–$400,000, with requests capped at $2 million; it serves Delaware and the area within four miles of Longwood Gardens in Kennett Square, Pennsylvania. It accepts online grant requests, with Spring and Fall deadlines of March 1 and September 1.
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The Conservation Fund a Nonprofit Corporation
Arlington, VA
The Conservation Fund supports land and habitat conservation, water and food-system initiatives, and community projects that advance sustainable economies, through grants, loans, and technical assistance. In 2025, grants ranged from $6,000 to $755,000, with a median of $20,000; it works nationwide, with the largest share of recent grant dollars going to North Carolina and Virginia. Unsolicited requests are not addressed generally in the profile; some programs have specific application requirements.
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Delaware Community Foundation Inc
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Delaware Community Foundation supports nonprofits and students addressing community needs in Delaware, including community-impact projects, capital improvements, and scholarships. Its 2025 itemized grants had a median of $21,500, though awards varied widely. Applicants are directed to apply through the relevant program’s online portal; whether unsolicited requests are accepted is not stated.
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Nor' Easter Foundation Inc
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The Nor’ Easter Foundation funds charitable, educational, scientific, religious, and related purposes; its 2025 grants supported organizations working in areas including conservation, education, health, and community services. It awarded grants of $1,000 to $343,000, with a median of $1,000, and all reported grants went to Delaware recipients. It funds only preselected organizations and does not accept unsolicited requests.
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National Fish and Wildlife Foundation
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The National Fish and Wildlife Foundation makes competitive grants for science-based projects that conserve or restore fish, wildlife, plants, and habitats; it does not fund advocacy or litigation. Its 2025 grants had a median of about $106,500, and it supports projects across all 50 states and U.S. territories. Applications are competitive and program-specific; whether pre-proposals are required varies by program.
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Richard a & James F Corroon
Wilmington, DE
The foundation supports a range of charitable work, including health, education, arts and culture, community services, and conservation, with 2025 grants going to organizations in Delaware, California, Idaho, Connecticut, Utah, and several other states. Its 40 grants ranged from $500 to $7,500, with a median of $1,250. It funds only preselected organizations and does not accept unsolicited requests.
Assets
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Total Given
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Mt Cuba Center Inc down — hundreds of funders to go?