Nonprofit · EIN 88-2942128
HELLENIC ANCIENT CULTURE INSTITUTE
Tax-exempt · NEW YORK, NY 10019
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-EZ | $20,000 | $14,070 | $5,930 | $11,281 | $0 | $11,281 |
| December 31, 2024 | 990-EZ | $40,000 | $34,649 | $5,351 | $5,351 | $0 | $5,351 |
| December 31, 2023 | 990-EZ | – | – | – | $0 | $0 | $0 |
| December 31, 2022 | 990-EZ | – | – | – | $0 | $0 | $0 |
Financial details: 990-EZ for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $20,000
Expenses
- Compensation of officers, directors and key employees
- $0
- Professional fees and payments to contractors
- $14,070
Balance sheet and other
- Total assets, start of year
- $5,351
- Total assets, end of year
- $11,281
- Total liabilities, end of year
- $0
- Net assets, end of year
- $11,281
- Cash, savings and investments
- $11,281
- Gross receipts
- $20,000
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-EZ for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| KASSANDRA MARINOPOULOU | PRESIDENT | 0.25 | $0 |
| JOHN COUMANTAROS | DIRECTOR | 0.25 | $0 |
| PETER GOULANDRIS | SECRETARY/TREASURER | 0.25 | $0 |
990-EZ for the year ended December 31, 2024: 5 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| KASSANDRA MARINOPOULOU | PRESIDENT | 0.25 | $0 |
| RONALD BANGS | VICE PRESIDENT - THRU 9/17/24 | 0.25 | $0 |
| EDWARD STERN | DIRECTOR - THRU 9/17/24 | 0.25 | $0 |
| JOHN COUMANTAROS | DIRECTOR | 0.25 | $0 |
| PETER GOULANDRIS | DIRECTOR | 0.25 | $0 |
990-EZ for the year ended December 31, 2023: 5 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| KASSANDRA MARINOPOULOU | PRESIDENT | 0.25 | $0 |
| RONALD BANGS | VICE PRESIDENT | 0.25 | $0 |
| EDWARD STERN | DIRECTOR | 0.25 | $0 |
| JOHN COUMANTAROS | DIRECTOR | 0.25 | $0 |
| PETER GOULANDRIS | DIRECTOR | 0.25 | $0 |
990-EZ for the year ended December 31, 2022: 5 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| KASSANDRA MARINOPOULOU | PRESIDENT | 0.25 | $0 |
| RONALD BANGS | VICE PRESIDENT | 0.25 | $0 |
| EDWARD STERN | DIRECTOR | 0.25 | $0 |
| JOHN COUMANTAROS | DIRECTOR | 0.25 | $0 |
| PETER GOULANDRIS | DIRECTOR | 0.25 | $0 |
Address and contacts
- Address (IRS master file)
- 1675 BROADWAY 17TH FLOOR, NEW YORK, NY 10019-5844
- In care of
- % JOANN LUEHRING ROBERTS & HOLLAND
- Signed the 990-EZ
- PETER GOULANDRIS, DIRECTOR
- Phone
- (914) 260-3941
- Return prepared by
- PKF O'CONNOR DAVIES ADVISORY LLC
Mission
THE ORGANIZATION'S MISSION IS TO PRESERVE, PROTECT, AND MANAGE GREEK ANTIQUITIES - ART, ARTIFACTS, AND ANTIQUITIES DATING FROM PREHISTORIC TIMES THROUGH THE DARK AGES - CONSISTENT WITH THE PATRIMONY LAWS OF THE HELLENIC REPUBLIC. THROUGH GIFTS, BEQUESTS, AND LOANS, THE ORGANIZATION IS COMMITTED TO ENSURING THESE CULTURAL TREASURES ARE MAINTAINED FOR THE PUBLIC BENEFIT, WITH THE EVENTUAL TRANSFER OF POSSESSION TO THE NICHOLAS AND DOLLY GOULANDRIS FOUNDATION -MUSEUM OF CYCLADIC ART, WHERE THEY CAN BE FURTHER STUDIED, EXHIBITED, AND APPRECIATED.
Program accomplishments
- IN 2022, THE ORGANIZATION RECEIVED THE LEONARD A. STERN COLLECTION OF CYCLADIC ART, A GROUP OF 161 WORKS MADE IN THE CYCLADIC ISLANDS OF GREECE, PRIMARILY IN THE EARLY BRONZE AGE (3200 TO 2000 BCE), THE METROPOLITAN MUSEUM OF ART IN NEW YORK (THE MET) CONTINUED THROUGHOUT THE TAX YEAR TO HOUSE THE LEONARD A. STERN COLLECTION OF CYCLADIC ART, EXCEPT DURING A PERIOD COMMENCING IN THE FINAL QUARTER OF 2023 WHEN A SELECTION OF WORKS FROM THE COLLECTION WAS TRANSPORTED TO ATHENS, GREECE, EXHIBITED PUBLICLY BY THE NICHOLAS AND DOLLY GOULANDRIS FOUNDATION-MUSEUM OF CYCLADIC ART (THE MCA), AND FEATURED IN A CATALOGUE PUBLISHED BY THE MCA. THE ORGANIZATION IN TANDEM WITH THE MCA ALSO CONTINUED PLANNING AND PREPARATION FOR EXHIBITION OF THE ENTIRE COLLECTION AT THE MET, COMMENCING IN JANUARY 2024. THESE ACTIVITIES WERE UNDERTAKEN FOR STUDY, CONSERVATION AND SAFEKEEPING OF THE COLLECTION, IN FURTHERANCE OF THE ORGANIZATION'S MISSION TO PRESERVE, PROMOTE AND PROTECT GREEK ANTIQUITIES. IT IS THE POLICY OF THE ORGANIZATION THAT THESE WORKS BE USED DIRECTLY IN FURTHERANCE OF THAT MISSION AND THAT THEY NEVER BE DISPOSED OF BY SALE OR EXCHANGE.
What it must file and when
IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. 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-EZ on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-EZ on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-EZ on file |
IRS record
- EIN
- 88-2942128
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Supporting organization, Type I
- Donations deductible (Pub 78)
- Supporting organization, 50% limit
- Exempt since
- 2022
- Accounting year ends
- December
- Files
- Form 990-N (e-Postcard)
- Category (NTEE)
- Arts, culture and humanities (A11)
- Assets (IRS master file)
- $11,281
- Income (IRS master file)
- $20,000
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-EZ | December 2025 | $20,000 | $14,070 | $11,281 | XML |
| 990-EZ | December 2024 | $40,000 | $34,649 | $5,351 | IRS |
| 990-EZ | December 2023 | $0 | $0 | $0 | XML |
| 990-EZ | December 2022 | $0 | $0 | $0 | XML |
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 88-2942128).
Questions about HELLENIC ANCIENT CULTURE INSTITUTE
- What is the EIN of HELLENIC ANCIENT CULTURE INSTITUTE?
- The employer identification number (EIN) of HELLENIC ANCIENT CULTURE INSTITUTE is 88-2942128.
- Is HELLENIC ANCIENT CULTURE INSTITUTE tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2022.
- Are donations to HELLENIC ANCIENT CULTURE INSTITUTE tax-deductible?
- Yes. It is listed in IRS Publication 78 (Supporting organization, 50% limit).
- Which annual return does HELLENIC ANCIENT CULTURE INSTITUTE file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of HELLENIC ANCIENT CULTURE INSTITUTE 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 HELLENIC ANCIENT CULTURE INSTITUTE last file with the IRS?
- The latest return in the IRS public files is the 990-EZ for the year ended December 2025.
- Who are the officers and directors of HELLENIC ANCIENT CULTURE INSTITUTE?
- The 990-EZ for the year ended December 31, 2025 lists 3 people; 0 received compensation from the organization.
- How much revenue does HELLENIC ANCIENT CULTURE INSTITUTE have?
- On its 990-EZ for the year ended December 31, 2025 it reported revenue of $20,000, expenses of $14,070 and total assets of $11,281 at year end.
Other nonprofits in NEW YORK
- THE METROPOLITAN MUSEUM OF ART EIN 13-1624086 · last filed 990 for 2025
- MUSEUM OF MODERN ART EIN 13-1624100 · last filed 990 for 2025
- METROPOLITAN OPERA ASSOCIATION INC EIN 13-1624087 · last filed 990 for 2025
- AMERICAN MUSEUM OF NATURAL HISTORY EIN 13-6162659 · last filed 990 for 2025
- LINCOLN CENTER FOR THE PERFORMING ARTS INC EIN 13-1847137 · last filed 990 for 2025
- WHITNEY MUSEUM OF AMERICAN ART EIN 13-1789318 · last filed 990 for 2025
- SESAME WORKSHOP EIN 13-2655731 · last filed 990 for 2025
- ROYAL NATIONAL THEATRE EIN 38-3866410 · last filed 990 for 2025
All nonprofits in NEW YORK · New York · Arts, culture and humanities