Nonprofit · EIN 34-6516969
W ONEIL FOUNDATION
Tax-exempt · CHEVY CHASE, MD 20825
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $3,727,000 | $3,064,393 | $662,607 | $38,657,869 | $0 | $38,657,869 |
| December 31, 2024 | 990-PF | $2,422,436 | $2,378,030 | $44,406 | $37,995,262 | $0 | $37,995,262 |
| December 31, 2023 | 990-PF | $1,645,390 | $3,013,806 | -$1,368,416 | $37,950,856 | $0 | $37,950,856 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Dividends
- $1,265,818
- Interest
- $11,581
- Net gain from sales of assets
- $2,429,742
- Other income
- $19,859
Expenses
- Grants and similar amounts paid
- $2,491,250
- Compensation of officers, directors and key employees
- $304,272
- Salaries, compensation and benefits (total)
- $67,825
- Disbursements for charitable purposes
- $2,887,817
- Excise tax on investment income
- $49,680
Balance sheet and other
- Total assets, start of year
- $37,995,262
- Total assets, end of year
- $38,657,869
- Total liabilities, end of year
- $0
- Net assets, end of year
- $38,657,869
- Fair market value of assets
- $45,311,873
- Qualifying distributions
- $2,887,817
- Net investment income
- $3,707,141
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 December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| HELENE O'NEIL SHERE PO BOX 15888, CHEVY CHASE, MD 20825 | CHAIR, PRESIDENT, TRUSTEE | 38 | $205,068 |
| MOLLY HERRERA PO BOX 15888, CHEVY CHASE, MD 20825 | VICE PRESIDENT, SENIOR PROGRAM OFFICER | 38 | $99,204 |
| JANE O'NEIL WIEDER PO BOX 15888, CHEVY CHASE, MD 20825 | VICE PRESIDENT, TREASURER, TRUSTEE | 7 | $0 |
| ANN O'NEIL GRADOWSKI PO BOX 15888, CHEVY CHASE, MD 20825 | VICE CHAIR, ASSIST. SECRETARY, TRUSTEE | 5 | $0 |
| MARY REGAN PO BOX 15888, CHEVY CHASE, MD 20825 | SECRETARY, TRUSTEE | 5 | $0 |
| JOHN O'NEIL PO BOX 15888, CHEVY CHASE, MD 20825 | TRUSTEE | 1 | $0 |
| JANE REGAN PO BOX 15888, CHEVY CHASE, MD 20825 | TRUSTEE | 1 | $0 |
990-PF for the year ended December 31, 2024: 7 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| HELENE O'NEIL SHERE PO BOX 15888, CHEVY CHASE, MD 20825 | CHAIR, PRESIDENT, TRUSTEE | 38 | $195,300 |
| MOLLY HERRERA PO BOX 15888, CHEVY CHASE, MD 20825 | VICE PRESIDENT, SENIOR PROGRAM OFFICER | 38 | $94,500 |
| JANE O'NEIL WIEDER PO BOX 15888, CHEVY CHASE, MD 20825 | VICE PRESIDENT, TREASURER, TRUSTEE | 7 | $0 |
| ANN O'NEIL GRADOWSKI PO BOX 15888, CHEVY CHASE, MD 20825 | VICE CHAIR, ASSIST. SECRETARY, TRUSTEE | 5 | $0 |
| MARY REGAN PO BOX 15888, CHEVY CHASE, MD 20825 | SECRETARY, TRUSTEE | 5 | $0 |
| JOHN O'NEIL PO BOX 15888, CHEVY CHASE, MD 20825 | TRUSTEE | 3 | $0 |
| JANE REGAN PO BOX 15888, CHEVY CHASE, MD 20825 | TRUSTEE | 3 | $0 |
990-PF for the year ended December 31, 2023: 8 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| HELENE O'NEIL SHERE PO BOX 15888, CHEVY CHASE, MD 20825 | CHAIR, PRESIDENT, TRUSTEE | 38 | $188,025 |
| MOLLY HERRERA PO BOX 15888, CHEVY CHASE, MD 20825 | VICE PRESIDENT, SENIOR PROGRAM OFFICER | 38 | $90,000 |
| JANE O'NEIL WIEDER PO BOX 15888, CHEVY CHASE, MD 20825 | VICE PRESIDENT, TREASURER, TRUSTEE | 7 | $0 |
| ANN O'NEIL GRADOWSKI PO BOX 15888, CHEVY CHASE, MD 20825 | VICE CHAIR, ASSIST. SECRETARY,TRUSTEE | 5 | $0 |
| MARY REGAN PO BOX 15888, CHEVY CHASE, MD 20825 | SECRETARY, TRUSTEE | 5 | $0 |
| JOHN O'NEIL PO BOX 15888, CHEVY CHASE, MD 20825 | TRUSTEE | 1 | $0 |
| ANN REGAN PO BOX 15888, CHEVY CHASE, MD 20825 | TRUSTEE | 1 | $0 |
| JANE REGAN PO BOX 15888, CHEVY CHASE, MD 20825 | TRUSTEE | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 5910 CONNECTICUT AVE UNIT 15888, CHEVY CHASE, MD 20825-7534
- Signed the 990-PF
- HELENE O'NEIL SHERE, PRESIDENT
- Phone
- (301) 656-5848
- Return prepared by
- CLIFTONLARSONALLEN 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 December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990-PF on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-PF on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-PF on file |
IRS record
- EIN
- 34-6516969
- 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
- 1949
- Accounting year ends
- December
- Files
- Form 990-PF
- Assets (IRS master file)
- $38,657,869
- Income (IRS master file)
- $6,454,813
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $3,727,000 | $3,064,393 | $38,657,869 | IRS |
| 990-PF | December 2024 | $2,422,436 | $2,378,030 | $37,995,262 | IRS |
| 990-PF | December 2023 | $1,645,390 | $3,013,806 | $37,950,856 | XML |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-PF | December 2021 | – | – | – | IRS |
| 990-PF | December 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 34-6516969).
Questions about W ONEIL FOUNDATION
- What is the EIN of W ONEIL FOUNDATION?
- The employer identification number (EIN) of W ONEIL FOUNDATION is 34-6516969.
- Is W ONEIL FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1949.
- Are donations to W ONEIL FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does W ONEIL FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of W ONEIL FOUNDATION 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 W ONEIL FOUNDATION last file with the IRS?
- The latest return in the IRS public files is the 990-PF for the year ended December 2025.
- Who are the officers and directors of W ONEIL FOUNDATION?
- The 990-PF for the year ended December 31, 2025 lists 7 people; 2 received compensation from the organization, the highest $205,068 (HELENE O'NEIL SHERE, CHAIR, PRESIDENT, TRUSTEE).
- How much revenue does W ONEIL FOUNDATION have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $3,727,000, expenses of $3,064,393 and total assets of $38,657,869 at year end.
Other nonprofits in CHEVY CHASE
- HOWARD HUGHES MEDICAL INSTITUTE EIN 59-0735717 · last filed 990 for 2025
- SHERMAN FAIRCHILD FOUNDATION INC EIN 13-1951698 · last filed 990-PF for 2024
- CHEVY CHASE CLUB INC EIN 52-0799949 · last filed 990 for 2025
- COLUMBIA COUNTRY CLUB EIN 52-0278100 · last filed 990 for 2025
- GEICO PHILANTHROPIC FOUNDATION EIN 52-1202740 · last filed 990-PF for 2024
- MAYBERG FOUNDATION INC EIN 81-4574465 · last filed 990-PF for 2024
- HOWARD HUGHES MEDICAL INSTITUTE RETIREE WELFARE BENEFIT PLAN TR EIN 83-6900635 · last filed 990 for 2024
- HOWARD AND GERALDINE POLINGER FOUNDATION INC EIN 52-6078041 · last filed 990-PF for 2025