Data / Foundation grants / The John P Calamos Foundation
The John P Calamos Foundation: 13 grants to organizations, $999,600 (tax year ended December 2025)
The John P Calamos Foundation, a private foundation in Naperville, IL, paid 13 grants to organizations totaling $999,600 in its tax year ended December 2025, according to its Form 990-PF filed with the IRS on May 13, 2026. The largest was $650,000 to National Hellenic Museum in Chicago, IL for to support the mission of the charity.
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- EIN
- 201383344
- Based in
- Naperville, IL
- Assets
- $56,507,546
- Grants paid
- $999,600
- Tax year ended
- December 2025
Grants paid, tax year ended December 2025
From the Form 990-PF filed May 13, 2026, IRS object ID 202641339349104124. It reported $999,600 in grants paid; 13 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| National Hellenic Museum | Chicago, IL | To support the mission of the charity | Arts, culture and humanities | $650,000 | apps.irs.gov |
| Assumption Greek Orthodox Church | Homer Glen, IL | To support the mission of the charity | $100,000 | apps.irs.gov | |
| St Nicholas Greek Orthodox Church | New York, NY | To support the mission of the charity | $100,000 | apps.irs.gov | |
| Hellenic Initiative Inc | New York, NY | To support the mission of the charity | International, foreign affairs and national security | $50,000 | apps.irs.gov |
| Washington Oxi Day Foundation | Washington, DC | To support the mission of the charity | Arts, culture and humanities | $50,000 | apps.irs.gov |
| Loukoumi Make A Difference Foundation | Tuckahoe, NY | To support the mission of the charity | $25,000 | apps.irs.gov | |
| Gift of Adoption | Northbrook, IL | To support the mission of the charity | $10,000 | apps.irs.gov | |
| St Iakovos Retreat Center | Chicago, IL | To support the mission of the charity | $5,000 | apps.irs.gov | |
| Order of St Andrew | New York, NY | To support the mission of the charity | $4,000 | apps.irs.gov | |
| Hellenic American Academy | Lowell, MA | To support the mission of the charity | $2,500 | apps.irs.gov | |
| Hillsdale College | Hillsdale, MI | To support the mission of the charity | Education | $2,000 | apps.irs.gov |
| Turning Point USA | Lemont, IL | To support the mission of the charity | $1,000 | apps.irs.gov | |
| Heritage Foundation | Washington, DC | To support the mission of the charity | Public and societal benefit | $100 | apps.irs.gov |
Grants paid, tax year ended December 2024
From the Form 990-PF filed May 13, 2025, IRS object ID 202541339349104184. It reported $13,154,278 in grants paid; 8 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| Illinois Institute of Technology | Chicago, IL | To support the mission of the charity | Education | $12,500,000 | apps.irs.gov |
| National Hellenic Museum | Chicago, IL | To support the mission of the charity | Arts, culture and humanities | $456,278 | apps.irs.gov |
| Helenic Initiative | New York, NY | To support the mission of the charity | $50,000 | apps.irs.gov | |
| Washington Oxi Day Foundation | Washington, DC | To support the mission of the charity | Arts, culture and humanities | $50,000 | apps.irs.gov |
| Yorkville Christian School | Yorkville, IL | To support the mission of the charity | Education | $50,000 | apps.irs.gov |
| St Nicholas Greek Orthodox Church | New York, NY | To support the mission of the charity | $25,000 | apps.irs.gov | |
| Marmion Academy | Aurora, IL | To support the mission of the charity | $20,000 | apps.irs.gov | |
| Order of St Andrew | New York, NY | To support the mission of the charity | $3,000 | apps.irs.gov |
Causes funded
From grants whose recipient has a cause.
| Cause | Granted |
|---|---|
| Education | $12,552,000 |
| Arts, culture and humanities | $1,206,278 |
| International, foreign affairs and national security | $50,000 |
| Public and societal benefit | $100 |
States funded
| Recipient state | Granted |
|---|---|
| Illinois | $13,792,278 |
| New York | $257,000 |
| District of Columbia | $100,100 |
| Massachusetts | $2,500 |
| Michigan | $2,000 |
Also on SpecStream
- Who funds education in Illinois
- Who funds arts, culture and humanities in Illinois
- Who funds arts, culture and humanities in District of Columbia
- Who funds international, foreign affairs and national security in New York
- Who funds education in Michigan
- Who funds public and societal benefit in District of Columbia
Updated May 13, 2026. Read from IRS Form 990-PF e-file data. Public domain (U.S. government work). Grants are as each foundation reported them to the IRS on its Form 990-PF. Grants to individuals are left out. A grant has a cause only where the recipient's name and city match one organization in the IRS Business Master File, and the cause is that organization's NTEE major group. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.