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Nonprofit · EIN 31-1738216

THE 25TH CENTURY FOUNDATION

Tax-exempt · PHILADELPHIA, PA 19103

Financials

$3.1M$808K2023$1.4M$984K2024
Revenue Expenses · by fiscal year end
Financials of THE 25TH CENTURY FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
March 31, 2025990-PF$1,383,070$984,312$398,758$15,203,537$0$15,203,537
March 31, 2024990-PF$3,143,837$807,540$2,336,297$14,918,040$0$14,918,040
Financial details: 990-PF for the year ended March 31, 2025

Revenue

Dividends
$387,591
Net gain from sales of assets
$995,479

Expenses

Grants and similar amounts paid
$819,000
Compensation of officers, directors and key employees
$0
Disbursements for charitable purposes
$853,374
Excise tax on investment income
$18,096

Balance sheet and other

Total assets, start of year
$14,917,905
Total assets, end of year
$15,203,537
Total liabilities, end of year
$0
Net assets, end of year
$15,203,537
Fair market value of assets
$16,074,558
Qualifying distributions
$853,374
Net investment income
$1,383,040

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 March 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
ELINOR H BUCK
409 GARDEN LANE, BRYN MAWR, PA 19010
VICE PRESIDENT & DIRECTOR10$0
CAROLINE BUCK ROGERS
5 LLANALEW ROAD, HAVERTOWN, PA 19041
CHAIR & DIRECTOR10$0
JAMES M BUCK III
409 GARDEN LANE, BRYN MAWR, PA 19010
PRESIDENT, TREASURER AND DIRECTOR10$0
HEIKE K SULLIVAN
1735 MARKET STREET, PHILADELPHIA, PA 19103
SECRETARY & OUTSIDE DIRECTOR10$0
WELLS FARGO UNTIL SEPT 2023
1650 MARKET ST FLOOR 47, PHILADELPHIA, PA 19103
TRUSTEE (REMOVED)10$0
990-PF for the year ended March 31, 2024: 5 people
NameTitleHours / weekCompensation
WELLS FARGO UNTIL SEPT 2023
1650 MARKET ST FLOOR 47, PHILADELPHIA, PA 19103
TRUSTEE (REMOVED)10$54,363
ELINOR H BUCK
409 GARDEN LANE, BRYN MAWR, PA 19010
VICE PRESIDENT & DIRECTOR10$0
CAROLINE BUCK ROGERS
5 LLANALEW ROAD, HAVERTOWN, PA 19041
CHAIR & DIRECTOR10$0
JAMES M BUCK III
409 GARDEN LANE, BRYN MAWR, PA 19010
PRESIDENT, TREASURER AND DIRECTOR10$0
HEIKE K SULLIVAN
1735 MARKET STREET, PHILADELPHIA, PA 19103
SECRETARY & OUTSIDE DIRECTOR10$0

Address and contacts

Address (IRS master file)
CO H SULLIVAN-1735 MARKET ST 51FL, PHILADELPHIA, PA 19103-0000
Signed the 990-PF
JAMES M BUCK III, TREASURER
Phone
(302) 252-4453
Return prepared by
BALLARD SPAHR 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 March, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025March 31, 2026August 17, 2026Not on file
2024March 31, 2025August 15, 2025990-PF on file
2023March 31, 2024August 15, 2024990-PF on file

IRS record

EIN
31-1738216
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
2000
Accounting year ends
March
Files
Form 990-PF
Assets (IRS master file)
$15,203,537
Income (IRS master file)
$7,697,255

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFMarch 2025$1,383,070$984,312$15,203,537XML
990-PFMarch 2024$3,143,837$807,540$14,918,040XML
990-PFMarch 2023–––IRS
990-PFMarch 2022–––IRS
990-PFMarch 2021–––IRS
990-PFMarch 2020–––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 31-1738216).

Questions about THE 25TH CENTURY FOUNDATION

What is the EIN of THE 25TH CENTURY FOUNDATION?
The employer identification number (EIN) of THE 25TH CENTURY FOUNDATION is 31-1738216.
Is THE 25TH CENTURY FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2000.
Are donations to THE 25TH CENTURY FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does THE 25TH CENTURY FOUNDATION file?
Form 990-PF. Private foundations file every year.
When is the next return of THE 25TH CENTURY FOUNDATION due?
The return for tax year 2025 (the year ending March 31, 2026) is due August 17, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did THE 25TH CENTURY FOUNDATION last file with the IRS?
The latest return in the IRS public files is the 990-PF for the year ended March 2025.
Who are the officers and directors of THE 25TH CENTURY FOUNDATION?
The 990-PF for the year ended March 31, 2025 lists 5 people; 0 received compensation from the organization.
How much revenue does THE 25TH CENTURY FOUNDATION have?
On its 990-PF for the year ended March 31, 2025 it reported revenue of $1,383,070, expenses of $984,312 and total assets of $15,203,537 at year end.

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