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Nonprofit · EIN 51-6015046

UNIDEL FOUNDATION INC

Tax-exempt · GREENVILLE, DE 19807

Financials

$14.6M$13.3M2023$43.6M$18.6M2024$81M$17.6M2025
Revenue Expenses · by fiscal year end
Financials of UNIDEL FOUNDATION INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990$80,958,548$17,573,912$63,384,636$551,732,382$7,793,255$543,939,127
December 31, 2024990$43,560,123$18,631,791$24,928,332$484,759,713$8,986,794$475,772,919
December 31, 2023990$14,609,155$13,257,690$1,351,465$412,545,251$3,892,540$408,652,711
Financial details: 990 for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$0
Program service revenue
$0
Investment income
$80,958,548
Net gain from sales of assets
$72,077,362
Other revenue
$0

Expenses

Grants and similar amounts paid
$15,392,249
Compensation of officers, directors and key employees
$145,080
Other salaries and wages
$46,210
Salaries, compensation and benefits (total)
$205,924
Professional fundraising fees
$0
Accounting fees
$28,950
Occupancy
$34,018
Program services (functional)
$15,495,211
Management and general (functional)
$2,078,701

Balance sheet and other

Total assets, start of year
$484,759,713
Total assets, end of year
$551,732,382
Total liabilities, end of year
$7,793,255
Net assets, end of year
$543,939,127
Publicly traded securities
$490,054,074
Net assets without donor restrictions
-$1,979,570
Net assets with donor restrictions
$545,918,697
Gross receipts
$191,316,604
Employees
3
Volunteers
5
Year formed
1939
State of legal domicile
DE

From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.

Officers, directors and key employees

As listed on the 990 for the year ended December 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
MARGARET BOTTORFFSEC-TREAS (TO 11/25); CONS (FROM 11/25)
Officer
25$123,205
RACHEL MROZSECRETARY-TREASURER (FROM 11/25)
Officer
25$21,875
ANDREW MCK JEFFERSON ESQPRES (FROM 5/25); VP (TO 5/25)
Trustee or director, Officer
2$0
WILLIAM M LAFFERTY ESQVP (FROM 5/25); TR (TO 5/25)
Trustee or director, Officer
2$0
RICHARD L SUTTONTR (FROM 5/25); PRES (TO 5/25)
Trustee or director, Officer
2$0
THE HON MARYELLEN NOREIKATRUSTEE
Trustee or director
2$0
ANN C ROSETRUSTEE
Trustee or director
2$0
990 for the year ended December 31, 2024: 6 people
NameTitleHours / weekCompensation
MARGARET BOTTORFFSECRETARY-TREASURER
Officer
25$122,906
RICHARD L SUTTON ESQPRESIDENT
Trustee or director, Officer
2$0
ANDREW MCK JEFFERSON ESQVICE PRESIDENT
Trustee or director, Officer
2$0
WILLIAM M LAFFERTY ESQTRUSTEE
Trustee or director
2$0
MARYELLEN NOREIKATRUSTEE
Trustee or director
2$0
ANN C ROSETRUSTEE
Trustee or director
2$0
990 for the year ended December 31, 2023: 7 people
NameTitleHours / weekCompensation
MARGARET BOTTORFFSECRETARY-TREASURER
Officer
25$119,327
RICHARD L SUTTON ESQPRESIDENT
Trustee or director, Officer
2$0
ANDREW MCK JEFFERSON ESQVICE PRESIDENT
Trustee or director, Officer
2$0
BENJAMIN F DU PONTTRUSTEE (TO 5/23)
Trustee or director
2$0
WILLIAM M LAFFERTYTRUSTEE
Trustee or director
2$0
ANN C ROSETRUSTEE
Trustee or director
2$0
MARYELLEN NOREIKATRUSTEE (FROM 9/23)
Trustee or director
2$0

Address and contacts

Address (IRS master file)
3801 KENETT PIKE SUITE 303C, GREENVILLE, DE 19807-2325
Principal officer (990 for 2025)
RACHEL MROZ, 3801 KENNETT PIKE 303C, GREENVILLE, DE 19807
Signed the 990
RACHEL MROZ, SECRETARY/TREASURER
Phone
(302) 658-7691
Return prepared by
BONADIO & CO LLP

Mission

UNIDEL FOUNDATION WAS FOUNDED IN 1939 BY MISS AMY DU PONT IN HONOR OF HER FATHER EUGENE DU PONT. THE FOUNDATION'S PRIMARY MISSION IS TO PROMOTE THE UNIVERSITY OF DELAWARE BY MAKING TARGETED GRANTS.

990 for the year ended December 31, 2025

Program accomplishments

  • GRANTS ARE MADE TO SELECTED PURPOSES AND PROGRAMS FOR THE ACADEMIC ENRICHMENT OF THE UNIVERSITY OF DELAWARE TO HELP IMPROVE RELATIVELY WEAK AREAS OF IMPORTANT FIELDS LIKELY TO BENEFIT FROM SUCH ASSISTANCE AND GRANTS TO REWARD AND ENCOURAGE AREAS OF DEMONSTRATED ACHIEVEMENT.
    Expenses $15,495,211 · grants $15,392,249

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990 on file
2024December 31, 2024May 15, 2025990 on file
2023December 31, 2023May 15, 2024990 on file

IRS record

EIN
51-6015046
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Supporting organization (509(a)(3))
Donations deductible (Pub 78)
Supporting organization of unknown type
Exempt since
1940
Accounting year ends
December
Files
Form 990 or 990-EZ
Category (NTEE)
Education (B110)
Assets (IRS master file)
$551,732,382
Income (IRS master file)
$191,316,604

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2025$80,958,548$17,573,912$551,732,382XML
990December 2024$43,560,123$18,631,791$484,759,713XML
990-TDecember 2024–––IRS
990December 2023$14,609,155$13,257,690$412,545,251XML
990-TDecember 2023–––IRS
990December 2022$18,814,889$15,755,586$344,039,022IRS
990-TDecember 2022–––IRS
990December 2021–––IRS
990-TDecember 2021–––IRS
990December 2020–––IRS
990December 2019–––IRS
990December 2018–––IRS

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 51-6015046).

Questions about UNIDEL FOUNDATION INC

What is the EIN of UNIDEL FOUNDATION INC?
The employer identification number (EIN) of UNIDEL FOUNDATION INC is 51-6015046.
Is UNIDEL FOUNDATION INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1940.
Are donations to UNIDEL FOUNDATION INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Supporting organization of unknown type).
Which annual return does UNIDEL FOUNDATION INC file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of UNIDEL FOUNDATION INC due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did UNIDEL FOUNDATION INC last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended December 2025.
Who is the principal officer of UNIDEL FOUNDATION INC?
The 990 for the year ended December 31, 2025 names RACHEL MROZ.
Who are the officers and directors of UNIDEL FOUNDATION INC?
The 990 for the year ended December 31, 2025 lists 7 people; 2 received compensation from the organization, the highest $123,205 (MARGARET BOTTORFF, SEC-TREAS (TO 11/25); CONS (FROM 11/25)).
How much revenue does UNIDEL FOUNDATION INC have?
On its 990 for the year ended December 31, 2025 it reported revenue of $80,958,548, expenses of $17,573,912 and total assets of $551,732,382 at year end.

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