Nonprofit · EIN 51-0066734
LONGWOOD FOUNDATION INC
Tax-exempt · WILMINGTON, DE 19801
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| September 30, 2025 | 990-PF | $42,241,127 | $40,006,073 | $2,235,054 | $1,020,300,393 | $45,861,451 | $974,438,942 |
| September 30, 2024 | 990-PF | $15,471,078 | $39,415,706 | -$23,944,628 | $967,518,991 | $88,491,478 | $879,027,513 |
| September 30, 2023 | 990-PF | $28,715,921 | $36,435,477 | -$7,719,556 | $807,087,298 | $65,191,134 | $741,896,164 |
Financial details: 990-PF for the year ended September 30, 2025
Revenue
- Contributions, gifts and grants
- $688,413
- Dividends
- $9,599,646
- Net gain from sales of assets
- $31,752,254
- Other income
- $200,814
Expenses
- Grants and similar amounts paid
- $31,556,015
- Compensation of officers, directors and key employees
- $409,556
- Salaries, compensation and benefits (total)
- $1,005,903
- Disbursements for charitable purposes
- $44,102,799
- Excise tax on investment income
- $511,306
Balance sheet and other
- Total assets, start of year
- $967,518,991
- Total assets, end of year
- $1,020,300,393
- Total liabilities, end of year
- $45,861,451
- Net assets, end of year
- $974,438,942
- Fair market value of assets
- $1,020,300,393
- Qualifying distributions
- $44,102,799
- Net investment income
- $41,351,900
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-PF for the year ended September 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| ELEUTHERE I DU PONT II C/O LONGWOOD FOUNDATION 100 W 10TH, ST STE 1109, WILMINGTON, DE 19801 | PRESIDENT (NON-VOTING/NON-TRUSTEE) | 40 | $409,556 | $62,629 |
| MARIA STECKER 100 W 10TH ST STE 1109, WILMINGTON, DE 19801 | SENIOR PROGRAM OFFIC Highest-paid employee | 40 | $190,263 | $39,751 |
| TAMARA C BROWN 100 W 10TH ST STE 1109, WILMINGTON, DE 19801 | SENIOR PROGRAM OFFIC Highest-paid employee | 40 | $176,904 | $37,427 |
| SIERRA HARRIS 100 W 10TH ST STE 1109, WILMINGTON, DE 19801 | PROGRAM OFFICER, GRA Highest-paid employee | 40 | $108,675 | $17,253 |
| ADARA SCHOLL 100 W 10TH ST STE 1109, WILMINGTON, DE 19801 | PROGRAM OFFICER, GRA Highest-paid employee | 40 | $105,000 | $26,847 |
| A WESLEY DAVIS 100 W 10TH ST STE 1109, WILMINGTON, DE 19801 | PROGRAM OFFICER, GRA Highest-paid employee | 40 | $105,000 | $17,210 |
| DR M LYNNE DU PONT C/O LONGWOOD FOUNDATION 100 W 10TH, ST STE 1109, WILMINGTON, DE 19801 | VICE PRESIDENT & TRUSTEE | 1 | $0 | $0 |
| CRODERICK MARONEY C/O LONGWOOD FOUNDATION 100 W 10TH, ST STE 1109, WILMINGTON, DE 19801 | SECRETARY & TRUSTEE | 1 | $0 | $0 |
| CHARLES L COPELAND C/O LONGWOOD FOUNDATION 100 W 10TH, ST STE 1109, WILMINGTON, DE 19801 | CHAIRMAN & TRUSTEE | 1 | $0 | $0 |
| GERRET VAN S COPELAND C/O LONGWOOD FOUNDATION 100 W 10TH, ST STE 1109, WILMINGTON, DE 19801 | TRUSTEE | 1 | $0 | $0 |
| NATALIE A DU P REESE C/O LONGWOOD FOUNDATION 100 W 10TH, ST STE 1109, WILMINGTON, DE 19801 | TRUSTEE | 1 | $0 | $0 |
| ELI R SHARP C/O LONGWOOD FOUNDATION 100 W 10TH, ST STE 1109, WILMINGTON, DE 19801 | TREASURER & TRUSTEE | 1 | $0 | $0 |
| TIMOTHY B WEYMOUTH C/O LONGWOOD FOUNDATION 100 W 10TH, ST STE 1109, WILMINGTON, DE 19801 | TRUSTEE | 1 | $0 | $0 |
990-PF for the year ended September 30, 2024: 13 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| ELEUTHERE I DU PONT II C/O LONGWOOD FOUNDATION 100 W 10TH, ST STE 1109, WILMINGTON, DE 19801 | PRESIDENT (NON-VOTING/NON-TRUSTEE) | 40 | $395,706 | $55,263 |
| MARIA STECKER 100 W 10TH ST STE 1109, WILMINGTON, DE 19801 | SENIOR PROGRAM OFFIC Highest-paid employee | 40 | $183,612 | $39,213 |
| TAMARA C BROWN 100 W 10TH ST STE 1109, WILMINGTON, DE 19801 | PROGRAM OFFICER, LEA Highest-paid employee | 40 | $163,800 | $37,521 |
| JERRY PENROSE 100 W 10TH ST STE 1109, WILMINGTON, DE 19801 | CONTROLLER Highest-paid employee | 40 | $116,132 | $25,014 |
| SIERRA HARRIS 100 W 10TH ST STE 1109, WILMINGTON, DE 19801 | PROGRAM OFFICER, GRA Highest-paid employee | 40 | $103,450 | $18,156 |
| MARY LOWE 100 W 10TH ST STE 1109, WILMINGTON, DE 19801 | GRANT MANAGER Highest-paid employee | 40 | $95,000 | $17,426 |
| DR M LYNNE DU PONT C/O LONGWOOD FOUNDATION 100 W 10TH, ST STE 1109, WILMINGTON, DE 19801 | VICE PRESIDENT & TRUSTEE | 1 | $0 | $0 |
| CRODERICK MARONEY C/O LONGWOOD FOUNDATION 100 W 10TH, ST STE 1109, WILMINGTON, DE 19801 | SECRETARY & TRUSTEE | 1 | $0 | $0 |
| CHARLES L COPELAND C/O LONGWOOD FOUNDATION 100 W 10TH, ST STE 1109, WILMINGTON, DE 19801 | CHAIRMAN & TRUSTEE | 1 | $0 | $0 |
| GERRET VAN S COPELAND C/O LONGWOOD FOUNDATION 100 W 10TH, ST STE 1109, WILMINGTON, DE 19801 | TRUSTEE | 1 | $0 | $0 |
| NATALIE A DU P REESE C/O LONGWOOD FOUNDATION 100 W 10TH, ST STE 1109, WILMINGTON, DE 19801 | TRUSTEE | 1 | $0 | $0 |
| ELI R SHARP C/O LONGWOOD FOUNDATION 100 W 10TH, ST STE 1109, WILMINGTON, DE 19801 | TREASURER & TRUSTEE | 1 | $0 | $0 |
| TIMOTHY B WEYMOUTH C/O LONGWOOD FOUNDATION 100 W 10TH, ST STE 1109, WILMINGTON, DE 19801 | TRUSTEE | 1 | $0 | $0 |
990-PF for the year ended September 30, 2023: 13 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| ELEUTHERE I DU PONT II C/O LONGWOOD FOUNDATION 100 W 10TH, ST STE 1109, WILMINGTON, DE 19801 | PRESIDENT (EMPLOYEE / NON-VOTING) | 40 | $378,413 | $53,413 |
| MARIA STECKER 100 W 10TH ST STE 1109, WILMINGTON, DE 19801 | SENIOR PROGRAM OFFIC Highest-paid employee | 40 | $185,588 | $38,965 |
| JERRY PENROSE 100 W 10TH ST STE 1109, WILMINGTON, DE 19801 | CONTROLLER Highest-paid employee | 40 | $162,019 | $37,693 |
| TAMARA C BROWN 100 W 10TH ST STE 1109, WILMINGTON, DE 19801 | PROGRAM OFFICER, LEA Highest-paid employee | 40 | $156,875 | $37,288 |
| SIERRA HARRIS 100 W 10TH ST STE 1109, WILMINGTON, DE 19801 | PROGRAM OFFICER, GRA Highest-paid employee | 40 | $93,333 | $17,700 |
| LAUREN A PETRUSKY 100 W 10TH ST STE 1109, WILMINGTON, DE 19801 | GRANTS ADMINISTRATOR Highest-paid employee | 40 | $84,075 | $20,848 |
| DR M LYNNE DU PONT C/O LONGWOOD FOUNDATION 100 W 10TH, ST STE 1109, WILMINGTON, DE 19801 | VICE PRESIDENT & TRUSTEE | 1 | $0 | $0 |
| CRODERICK MARONEY C/O LONGWOOD FOUNDATION 100 W 10TH, ST STE 1109, WILMINGTON, DE 19801 | SECRETARY & TRUSTEE | 1 | $0 | $0 |
| CHARLES L COPELAND C/O LONGWOOD FOUNDATION 100 W 10TH, ST STE 1109, WILMINGTON, DE 19801 | CHAIRMAN & TRUSTEE | 1 | $0 | $0 |
| GERRET VAN S COPELAND C/O LONGWOOD FOUNDATION 100 W 10TH, ST STE 1109, WILMINGTON, DE 19801 | TRUSTEE | 1 | $0 | $0 |
| NATALIE A DU P REESE C/O LONGWOOD FOUNDATION 100 W 10TH, ST STE 1109, WILMINGTON, DE 19801 | TRUSTEE | 1 | $0 | $0 |
| ELI R SHARP C/O LONGWOOD FOUNDATION 100 W 10TH, ST STE 1109, WILMINGTON, DE 19801 | TREASURER & TRUSTEE | 1 | $0 | $0 |
| TIMOTHY B WEYMOUTH C/O LONGWOOD FOUNDATION 100 W 10TH, ST STE 1109, WILMINGTON, DE 19801 | TRUSTEE | 1 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 100 W 10TH ST STE 1109, WILMINGTON, DE 19801-1653
- Signed the 990-PF
- ELEUTHERE DU PONT II, PRESIDENT
- Phone
- (302) 683-8200
- Website
- WWW.LONGWOODFOUNDATION.ORG
- Return prepared by
- BONADIO & CO LLP
What it must file and when
IRS records say it files Form 990-PF. Private foundations file every year. Its accounting year ends in September, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | September 30, 2026 | February 15, 2027 | Not due yet |
| 2024 | September 30, 2025 | February 16, 2026 | 990-PF on file |
| 2023 | September 30, 2024 | February 17, 2025 | 990-PF on file |
IRS record
- EIN
- 51-0066734
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Private non-operating foundation
- Donations deductible (Pub 78)
- Private foundation, 30% limit
- Exempt since
- 1940
- Accounting year ends
- September
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T21)
- Assets (IRS master file)
- $1,020,300,393
- Income (IRS master file)
- $42,241,127
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | September 2025 | $42,241,127 | $40,006,073 | $1,020,300,393 | IRS |
| 990-T | September 2025 | – | – | – | IRS |
| 990-PF | September 2024 | $15,471,078 | $39,415,706 | $967,518,991 | XML |
| 990-T | September 2024 | – | – | – | IRS |
| 990-PF | September 2023 | $28,715,921 | $36,435,477 | $807,087,298 | XML |
| 990-T | September 2023 | – | – | – | IRS |
| 990-PF | September 2022 | – | – | – | IRS |
| 990-T | September 2022 | – | – | – | IRS |
| 990-PF | September 2021 | – | – | – | IRS |
| 990-T | September 2021 | – | – | – | IRS |
| 990-PF | September 2020 | – | – | – | IRS |
| 990-PF | September 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 51-0066734).
Questions about LONGWOOD FOUNDATION INC
- What is the EIN of LONGWOOD FOUNDATION INC?
- The employer identification number (EIN) of LONGWOOD FOUNDATION INC is 51-0066734.
- Is LONGWOOD FOUNDATION INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1940.
- Are donations to LONGWOOD FOUNDATION INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does LONGWOOD FOUNDATION INC file?
- Form 990-PF. Private foundations file every year.
- When is the next return of LONGWOOD FOUNDATION INC due?
- The return for tax year 2025 (the year ending September 30, 2026) is due February 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did LONGWOOD FOUNDATION INC last file with the IRS?
- The latest return in the IRS public files is the 990-PF for the year ended September 2025.
- Who are the officers and directors of LONGWOOD FOUNDATION INC?
- The 990-PF for the year ended September 30, 2025 lists 13 people; 6 received compensation from the organization, the highest $409,556 (ELEUTHERE I DU PONT II, PRESIDENT (NON-VOTING/NON-TRUSTEE)).
- How much revenue does LONGWOOD FOUNDATION INC have?
- On its 990-PF for the year ended September 30, 2025 it reported revenue of $42,241,127, expenses of $40,006,073 and total assets of $1,020,300,393 at year end.
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