Grants paid by The John P Calamos Foundation C/O Calamos Family Office
EIN 20-1383344 · Naperville, IL · Form 990-PF, Part XV · NTEE T22
The John P Calamos Foundation C/O Calamos Family Office of Naperville, IL (EIN 20-1383344) reported 69 grants paid totaling $17,288,378 to 38 recipients in tax years 2018–2025, on Form 990-PF, Part XV. Derived from IRS e-file data, dataset version 2026.09.0, built 2026-09-03.
Grants paid
$17,288,378
69 grants
Recipients
38
distinct organizations
Tax years
2018–2025
7 filings in the corpus
By tax year
| Tax year | Grants paid | Amount paid | Approved for future |
|---|---|---|---|
| 2018 | 3 | $220,000 | — |
| 2020 | 13 | $510,000 | — |
| 2021 | 6 | $175,000 | — |
| 2022 | 13 | $617,500 | — |
| 2023 | 13 | $1,612,000 | — |
| 2024 | 8 | $13,154,278 | — |
| 2025 | 13 | $999,600 | — |
Top recipients
The 38 recipients receiving the most from The John P Calamos Foundation C/O Calamos Family Office, by grants paid, out of 38 distinct recipients.
| Recipient | Match | Location | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| Illinois Institute of Technology | U | Chicago, IL | 6 | $14,075,000 | 2024 |
| National Hellenic Museum 36-3568402 | B | Chicago, IL | 7 | $1,831,278 | 2025 |
| Washington Oxi Day Foundation 45-3059221 | B | Washington, DC | 6 | $300,000 | 2025 |
| Gofundme Charity | U | Los Angeles, CA | 1 | $200,000 | 2020 |
| Hellenic Initiative Inc 45-5301968 | B | New York, NY | 4 | $150,000 | 2025 |
| St Nicholas Greek Orthodox Church 14-1590363 | C | New York, NY | 2 | $125,000 | 2025 |
| Assumption Greek Orthodox Church 36-2182035 | C | Homer Glen, IL | 4 | $120,000 | 2025 |
| Ecumenical Patriarch Bartholomew Foundation Inc 83-3599880 | B | New York, NY | 3 | $100,000 | 2023 |
| Cross Road Institute | U | Vambridge, MA | 1 | $80,000 | 2022 |
| Yorkville Christian School 46-2882926 | B | Yorkville, IL | 1 | $50,000 | 2024 |
| Naperville Education Foundation 36-3844402 | C | Naperville, IL | 1 | $25,000 | 2020 |
| Loukoumi Make a Difference Foundation 46-5599131 | C | Tuckahoe, NY | 1 | $25,000 | 2025 |
| Career & Networking Center 36-4093212 | C | Naperville, IL | 1 | $25,000 | 2020 |
| Indian Prairie Education Foundation | U | Naperville, IL | 1 | $25,000 | 2020 |
| Marmion Academy 36-2258521 | B | Aurora, IL | 1 | $20,000 | 2024 |
| Order of St Andrew | U | Chicago, IL | 3 | $16,000 | 2023 |
| Distinguished Flying Cross Society 33-0615592 | B | San Diego, CA | 1 | $15,000 | 2023 |
| Naperville Community Television 36-3460409 | B | Naperville, IL | 1 | $15,000 | 2020 |
| Oxi Day Foundation | U | Washington, DC | 1 | $10,000 | 2018 |
| Gift of Adoption 39-1863217 | C | Northbrook, IL | 1 | $10,000 | 2025 |
| Aurora Interfaith Food Pantry 36-3206531 | D | Aurora, IL | 1 | $10,000 | 2020 |
| St Iakovos Retreat Center | U | Chicago, IL | 2 | $10,000 | 2025 |
| Order of St Andrew | U | New York, NY | 2 | $7,000 | 2025 |
| Chicago Children's Choir | U | Chicago, IL | 1 | $5,000 | 2020 |
| Kids Golf Foundation of Il 36-4226416 | C | Sugar Grove, IL | 1 | $5,000 | 2023 |
| Urban Autism Solutions | U | Chicago, IL | 1 | $5,000 | 2020 |
| Regan Ranch | U | Santa Barbara, CA | 1 | $5,000 | 2022 |
| American Cancer Society | U | Washington, DC | 1 | $5,000 | 2022 |
| Naperville Area Humane Society 36-3040480 | B | Naperville, IL | 1 | $5,000 | 2023 |
| Hillsdale College | U | Hillsdale, MI | 2 | $4,000 | 2025 |
| Oli Gold Star Gardens | U | Naperville, IL | 1 | $2,500 | 2022 |
| Hellenic American Academy 41-2842129 | C | Lowell, MA | 1 | $2,500 | 2025 |
| Eaa Aviation Foundation 39-1033301 | C | Oshkosh, WI | 2 | $2,000 | 2023 |
| Turning Pointe Autism Foundation 26-1286022 | B | Naperville, IL | 1 | $1,000 | 2022 |
| Turning Point USA | U | Lemont, IL | 1 | $1,000 | 2025 |
| Project Purple 88-0709080 | C | Kankakee, IL | 1 | $500 | 2023 |
| Heroes Heart Inc 46-4417294 | B | Plant City, FL | 1 | $500 | 2023 |
| Heritage Foundation 23-7327730 | B | Washington, DC | 1 | $100 | 2025 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Every grant
All 69 grant rows this organization reported, most recent first.
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2025 | National Hellenic Museum Chicago, IL | B | $650,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202641339349104124 |
| 2025 | St Nicholas Greek Orthodox Church New York, NY | C | $100,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202641339349104124 |
| 2025 | Assumption Greek Orthodox Church Homer Glen, IL | C | $100,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202641339349104124 |
| 2025 | Washington Oxi Day Foundation Washington, DC | B | $50,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202641339349104124 |
| 2025 | Hellenic Initiative Inc New York, NY | B | $50,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202641339349104124 |
| 2025 | Loukoumi Make a Difference Foundation Tuckahoe, NY | C | $25,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202641339349104124 |
| 2025 | Gift of Adoption Northbrook, IL | C | $10,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202641339349104124 |
| 2025 | St Iakovos Retreat Center Chicago, IL | U | $5,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202641339349104124 |
| 2025 | Order of St Andrew New York, NY | U | $4,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202641339349104124 |
| 2025 | Hellenic American Academy Lowell, MA | C | $2,500 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202641339349104124 |
| 2025 | Hillsdale College Hillsdale, MI | U | $2,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202641339349104124 |
| 2025 | Turning Point USA Lemont, IL | U | $1,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202641339349104124 |
| 2025 | Heritage Foundation Washington, DC | B | $100 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202641339349104124 |
| 2024 | Illinois Institute of Technology Chicago, IL | U | $12,500,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202541339349104184 |
| 2024 | National Hellenic Museum Chicago, IL | B | $456,278 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202541339349104184 |
| 2024 | Helenic Initiative New York, NY | C | $50,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202541339349104184 |
| 2024 | Washington Oxi Day Foundation Washington, DC | B | $50,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202541339349104184 |
| 2024 | Yorkville Christian School Yorkville, IL | B | $50,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202541339349104184 |
| 2024 | St Nicholas Greek Orthodox Church New York, NY | C | $25,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202541339349104184 |
| 2024 | Marmion Academy Aurora, IL | B | $20,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202541339349104184 |
| 2024 | Order of St Andrew New York, NY | U | $3,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202541339349104184 |
| 2023 | Illinois Institute of Technology Chicago, IL | U | $1,205,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202421219349102057 |
| 2023 | National Hellenic Museum Chicago, IL | B | $240,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202421219349102057 |
| 2023 | Ecumenical Patriarch Bartholomew Foundation Inc New York, NY | B | $80,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202421219349102057 |
| 2023 | Washington Oxi Day Foundation Washington, DC | B | $50,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202421219349102057 |
| 2023 | Distinguished Flying Cross Society San Diego, CA | B | $15,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202421219349102057 |
| 2023 | Naperville Area Humane Society Naperville, IL | B | $5,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202421219349102057 |
| 2023 | St Iakovos Retreat Center Chicago, IL | U | $5,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202421219349102057 |
| 2023 | Kids Golf Foundation of Il Sugar Grove, IL | C | $5,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202421219349102057 |
| 2023 | Order of St Andrew Chicago, IL | U | $3,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202421219349102057 |
| 2023 | Hillsdale College Hillsdale, MI | U | $2,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202421219349102057 |
| 2023 | Eaa Aviation Foundation Oshkosh, WI | C | $1,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202421219349102057 |
| 2023 | Heroes Heart Inc Plant City, FL | B | $500 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202421219349102057 |
| 2023 | Project Purple Kankakee, IL | C | $500 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202421219349102057 |
| 2022 | National Hellenic Museum Chicago, IL | B | $230,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202331359349101473 |
| 2022 | Illinois Institute of Technology Chicago, IL | U | $200,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202331359349101473 |
| 2022 | Cross Road Institute Vambridge, MA | U | $80,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202331359349101473 |
| 2022 | Washington Oxi Day Foundation Washington, DC | B | $50,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202331359349101473 |
| 2022 | Hellenic Initiative Inc New York, NY | B | $25,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202331359349101473 |
| 2022 | Ecumenical Patriarch Bartholomew Foundation Inc New York, NY | B | $10,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202331359349101473 |
| 2022 | American Cancer Society Washington, DC | U | $5,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202331359349101473 |
| 2022 | Regan Ranch Santa Barbara, CA | U | $5,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202331359349101473 |
| 2022 | Assumption Greek Orthodox Church Homer Glen, IL | C | $5,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202331359349101473 |
| 2022 | Order of St Andrew Chicago, IL | U | $3,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202331359349101473 |
| 2022 | Oli Gold Star Gardens Naperville, IL | U | $2,500 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202331359349101473 |
| 2022 | Eaa Aviation Foundation Oshkosh, WI | C | $1,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202331359349101473 |
| 2022 | Turning Pointe Autism Foundation Naperville, IL | B | $1,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202331359349101473 |
| 2021 | Illinois Institute of Technology Chicago, IL | U | $60,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202221319349105047 |
| 2021 | Washington Oxi Day Foundation Washington, DC | B | $50,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202221319349105047 |
| 2021 | National Hellenic Museum Chicago, IL | B | $25,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202221319349105047 |
| 2021 | Hellenic Initiative Inc New York, NY | B | $25,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202221319349105047 |
| 2021 | Ecumenical Patriarch Bartholomew Foundation Inc New York, NY | B | $10,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202221319349105047 |
| 2021 | Assumption Greek Orthodox Church Homer Glen, IL | C | $5,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202221319349105047 |
| 2020 | Gofundme Charity Los Angeles, CA | U | $200,000 | paid | TO SUPPORT THE MISSION OF THE CHICAGO CEO COVID COALITION | 202131319349102163 |
| 2020 | National Hellenic Museum Chicago, IL | B | $70,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202131319349102163 |
| 2020 | Illinois Institute of Technology Chicago, IL | U | $60,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202131319349102163 |
| 2020 | Washington Oxi Day Foundation Washington, DC | B | $50,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202131319349102163 |
| 2020 | Indian Prairie Education Foundation Naperville, IL | U | $25,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202131319349102163 |
| 2020 | Naperville Education Foundation Naperville, IL | C | $25,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202131319349102163 |
| 2020 | Career & Networking Center Naperville, IL | C | $25,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202131319349102163 |
| 2020 | Naperville Community Television Naperville, IL | B | $15,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202131319349102163 |
| 2020 | Order of St Andrew Chicago, IL | U | $10,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202131319349102163 |
| 2020 | Assumption Greek Orthodox Church Homer Glen, IL | C | $10,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202131319349102163 |
| 2020 | Aurora Interfaith Food Pantry Aurora, IL | D | $10,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202131319349102163 |
| 2020 | Chicago Children's Choir Chicago, IL | U | $5,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202131319349102163 |
| 2020 | Urban Autism Solutions Chicago, IL | U | $5,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 202131319349102163 |
| 2018 | National Hellenic Museum Chicago, IL | B | $160,000 | paid | TO SUPPORT THE MUSEUM IN THE EDUCATION AND ADVANCEMENT OF PROSPECTIVE GENERATIONS | 201901349349103015 |
| 2018 | Illinois Institute of Technology Chicago, IL | U | $50,000 | paid | TO SUPPORT THE MISSION OF THE CHARITY | 201901349349103015 |
| 2018 | Oxi Day Foundation Washington, DC | U | $10,000 | paid | TO SUPPORT THE MISSION OF THE FOUNDATION | 201901349349103015 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Recipient matching for this dataset version has not yet completed its independent precision check. Tier A rows carry the EIN the filer reported; tiers B–D are the matcher's inference and should be read as leads until the check is published on the methodology page.
Source filings
Every figure above is traceable to one of these IRS e-file returns by its OBJECT_ID.
| Form | Tax year | Period end | Filed | Schema | IRS OBJECT_ID |
|---|---|---|---|---|---|
| 990PF | 2025 | 2025-12-31 | not stated | 2025v4.1 | 202641339349104124 |
| 990PF | 2024 | 2024-12-31 | not stated | 2024v5.1 | 202541339349104184 |
| 990PF | 2023 | 2023-12-31 | not stated | 2023v5.0 | 202421219349102057 |
| 990PF | 2022 | 2022-12-31 | not stated | 2022v5.0 | 202331359349101473 |
| 990PF | 2021 | 2021-12-31 | not stated | 2021v4.2 | 202221319349105047 |
| 990PF | 2020 | 2020-12-31 | not stated | 2020v4.1 | 202131319349102163 |
| 990PF | 2018 | 2018-12-31 | not stated | 2018v3.1 | 201901349349103015 |
Derived from IRS Form 990-PF e-file XML; recipient identities from the IRS Exempt Organizations Business Master File. Dataset version 2026.09.0, built 2026-09-03. The same rows as Parquet: manifest; as JSON: /api/funders/201383344.json.
The same organization elsewhere in the program: exempt status and filing health · federal awards · grant guidance · open opportunities.
This is informational only, derived from public data on the dates shown. It is not an eligibility determination, and not legal, tax, or accounting advice. Verify against the official source before relying on it.