John P Calamos Sr Foundation
Private foundation · Naperville, IL · EIN 20-1383344 · reported 2023–2025 · files as The John P Calamos Foundation
47grants reported
$10Kmedian award
$2,000lower quartile
$100smallest grant
$17.4Mtotal paid
8states reached
3years giving
This foundation funds faith-based organizations. 4 of its 47 reported grants went to churches, ministries or other religious organizations, $275K in total. That is what it paid, not what it says in a policy.
Gives every year. This foundation reported grants in 2023, 2024, 2025. A funder that shows up year after year is worth a letter even if this year is a no.
Where to write
2020 Calamos CT Ste 200
Naperville, IL 60563-2793
Address as registered with the IRS. Most foundations this size have no website and no application form, which is not a dead end: a short letter to this address is the whole process, and almost nobody sends one.
Who they funded
| Recipient and stated purpose | Where | Amount |
|---|---|---|
| Illinois Institute of Technology TO SUPPORT THE MISSION OF THE CHARITY | Chicago, IL | $12,500,000 |
| National Hellenic Museum TO SUPPORT THE MISSION OF THE CHARITY | Chicago, IL | $1,240,000 |
| Illinois Institute of Technology TO SUPPORT THE MISSION OF THE CHARITY | Chicago, IL | $1,205,000 |
| National Hellenic Museum TO SUPPORT THE MISSION OF THE CHARITY | Chicago, IL | $650,000 |
| National Hellenic Museum TO SUPPORT THE MISSION OF THE CHARITY | Chicago, IL | $456,278 |
| National Hellenic Museum TO SUPPORT THE MISSION OF THE CHARITY | Chicago, IL | $240,000 |
| Illinois Institute of Technology TO SUPPORT THE MISSION OF THE CHARITY | Chicago, IL | $205,000 |
| Assumption Greek Orthodox Church TO SUPPORT THE MISSION OF THE CHARITY | Homer Glen, IL | $100,000 |
| St Nicholas Greek Orthodox Church TO SUPPORT THE MISSION OF THE CHARITY | New York, NY | $100,000 |
| Ecumenical Patriarch Bartholomew Foundation Inc TO SUPPORT THE MISSION OF THE CHARITY | New York, NY | $80,000 |
| Ecumenical Patriarch Bartholomew Foundation Inc TO SUPPORT THE MISSION OF THE CHARITY | New York, NY | $80,000 |
| Hellenic Initiative Inc TO SUPPORT THE MISSION OF THE CHARITY | New York, NY | $50,000 |
| Washington Oxi Day Foundation TO SUPPORT THE MISSION OF THE CHARITY | Washington, DC | $50,000 |
| Washington Oxi Day Foundation TO SUPPORT THE MISSION OF THE CHARITY | Washington, DC | $50,000 |
| Washington Oxi Day Foundation TO SUPPORT THE MISSION OF THE CHARITY | Washington, DC | $50,000 |
| Helenic Initiative TO SUPPORT THE MISSION OF THE CHARITY | New York, NY | $50,000 |
| Washington Oxi Day Foundation TO SUPPORT THE MISSION OF THE CHARITY | Washington, DC | $50,000 |
| Yorkville Christian School TO SUPPORT THE MISSION OF THE CHARITY | Yorkville, IL | $50,000 |
| Loukoumi Make A Difference Foundation TO SUPPORT THE MISSION OF THE CHARITY | Tuckahoe, NY | $25,000 |
| St Nicholas Greek Orthodox Church TO SUPPORT THE MISSION OF THE CHARITY | New York, NY | $25,000 |
| Marmion Academy TO SUPPORT THE MISSION OF THE CHARITY | Aurora, IL | $20,000 |
| Distinguished Flying Cross Society TO SUPPORT THE MISSION OF THE CHARITY | San Diego, CA | $15,000 |
| Distinguished Flying Cross Society TO SUPPORT THE MISSION OF THE CHARITY | San Diego, CA | $15,000 |
| Gift of Adoption TO SUPPORT THE MISSION OF THE CHARITY | Northbrook, IL | $10,000 |
| St Iakovos Retreat Center TO SUPPORT THE MISSION OF THE CHARITY | Chicago, IL | $5,000 |
| St Iakovos Retreat Center TO SUPPORT THE MISSION OF THE CHARITY | Chicago, IL | $5,000 |
| Kids Golf Foundation of IL TO SUPPORT THE MISSION OF THE CHARITY | Sugar Grove, IL | $5,000 |
| Naperville Area Humane Society TO SUPPORT THE MISSION OF THE CHARITY | Naperville, IL | $5,000 |
| St Iakovos Retreat Center TO SUPPORT THE MISSION OF THE CHARITY | Chicago, IL | $5,000 |
| Kids Golf Foundation of IL TO SUPPORT THE MISSION OF THE CHARITY | Sugar Grove, IL | $5,000 |
| Naperville Area Humane Society TO SUPPORT THE MISSION OF THE CHARITY | Naperville, IL | $5,000 |
| Order of St Andrew TO SUPPORT THE MISSION OF THE CHARITY | New York, NY | $4,000 |
| Order of St Andrew TO SUPPORT THE MISSION OF THE CHARITY | Chicago, IL | $3,000 |
| Order of St Andrew TO SUPPORT THE MISSION OF THE CHARITY | Chicago, IL | $3,000 |
| Order of St Andrew TO SUPPORT THE MISSION OF THE CHARITY | New York, NY | $3,000 |
| Hellenic American Academy TO SUPPORT THE MISSION OF THE CHARITY | Lowell, MA | $2,500 |
| Hillsdale College TO SUPPORT THE MISSION OF THE CHARITY | Hillsdale, MI | $2,000 |
| Hillsdale College TO SUPPORT THE MISSION OF THE CHARITY | Hillsdale, MI | $2,000 |
| Hillsdale College TO SUPPORT THE MISSION OF THE CHARITY | Hillsdale, MI | $2,000 |
| Turning Point USA TO SUPPORT THE MISSION OF THE CHARITY | Lemont, IL | $1,000 |
| Eaa Aviation Foundation TO SUPPORT THE MISSION OF THE CHARITY | Oshkosh, WI | $1,000 |
| Eaa Aviation Foundation TO SUPPORT THE MISSION OF THE CHARITY | Oshkosh, WI | $1,000 |
| Project Purple TO SUPPORT THE MISSION OF THE CHARITY | Kankakee, IL | $500 |
| Heroes Heart Inc TO SUPPORT THE MISSION OF THE CHARITY | Plant City, FL | $500 |
| Project Purple TO SUPPORT THE MISSION OF THE CHARITY | Kankakee, IL | $500 |
| Heroes Heart Inc TO SUPPORT THE MISSION OF THE CHARITY | Plant City, FL | $500 |
| Heritage Foundation TO SUPPORT THE MISSION OF THE CHARITY | Washington, DC | $100 |
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