Funding search · EIN 201383344 · Naperville, IL

The John P Calamos Foundation

Name: The John P Calamos Foundation grants, 2022–2025
Creator: PaperOrbit
License: https://www.irs.gov/charities-non-profits/exempt-organization-public-disclosure-and-availability-requirements

A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.

60
grants reported: $18.0M
total given: 2022–2025
filing years: $7,500
median grant

Based on grants this organization reported to the IRS for tax years 2022–2025. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.

Full IRS filings ↗How this is built Report an error

Funding pattern

What this funder pays for, at what size, and how to position adjacent work. Read from their filings, with every number checked against the record.

Top recipients

Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.

Illinois Institute of Technology4 grants · $14.1M
National Hellenic Museum5 grants · $2.8M
Washington Oxi Day Foundation5 grants · $250,000
Ecumenical Patriarch Bartholomew Foundation3 grants · $170,000
St Nicholas Greek Orthodox Church2 grants · $125,000
Assumption Greek Orthodox Church2 grants · $105,000
Cross Road Institute1 grant · $80,000
Hellenic Initiative2 grants · $75,000
Helenic Initiative1 grant · $50,000
Yorkville Christian School1 grant · $50,000

Giving over time

$617,500

2022

$3.2M

2023

$13.2M

2024

$999,600

2025

Grant history

All 60 reported grants, largest first.

$12.5M
Illinois Institute of Technology · Chicago, IL · 2024
To support the mission of the charity
$1.2M
National Hellenic Museum · Chicago, IL · 2023
To support the mission of the charity
$1.2M
Illinois Institute of Technology · Chicago, IL · 2023
To support the mission of the charity
$650,000
National Hellenic Museum · Chicago, IL · 2025
To support the mission of the charity
$456,278
National Hellenic Museum · Chicago, IL · 2024
To support the mission of the charity
$240,000
National Hellenic Museum · Chicago, IL · 2023
To support the mission of the charity
$230,000
National Hellenic Museum · Chicago, IL · 2022
To support the mission of the charity
$205,000
Illinois Institute of Technology · Chicago, IL · 2023
To support the mission of the charity
$200,000
Illinois Institute of Technology · Chicago, IL · 2022
To support the mission of the charity
$100,000
Assumption Greek Orthodox Church · Homer Glen, IL · 2025
To support the mission of the charity
$100,000
St Nicholas Greek Orthodox Church · New York, NY · 2025
To support the mission of the charity
$80,000
Ecumenical Patriarch Bartholomew Foundation · New York, NY · 2023
To support the mission of the charity
$80,000
Ecumenical Patriarch Bartholomew Foundation · New York, NY · 2023
To support the mission of the charity
$80,000
Cross Road Institute · Vambridge, MA · 2022
To support the mission of the charity
$50,000
Hellenic Initiative · New York, NY · 2025
To support the mission of the charity
$50,000
Washington Oxi Day Foundation · Washington, DC · 2025
To support the mission of the charity
$50,000
Helenic Initiative · New York, NY · 2024
To support the mission of the charity
$50,000
Washington Oxi Day Foundation · Washington, DC · 2024
To support the mission of the charity
$50,000
Yorkville Christian School · Yorkville, IL · 2024
To support the mission of the charity
$50,000
Washington Oxi Day Foundation · Washington, DC · 2023
To support the mission of the charity
$50,000
Washington Oxi Day Foundation · Washington, DC · 2023
To support the mission of the charity
$50,000
Washington Oxi Day Foundation · Washington, DC · 2022
To support the mission of the charity
$25,000
Loukoumi Make a Difference Foundation · Tuckahoe, NY · 2025
To support the mission of the charity
$25,000
St Nicholas Greek Orthodox Church · New York, NY · 2024
To support the mission of the charity
$25,000
Hellenic Initiative · New York, NY · 2022
To support the mission of the charity
$20,000
Marmion Academy · Aurora, IL · 2024
To support the mission of the charity
$15,000
Distinguished Flying Cross Society · San Diego, CA · 2023
To support the mission of the charity
$15,000
Distinguished Flying Cross Society · San Diego, CA · 2023
To support the mission of the charity
$10,000
Gift of Adoption · Northbrook, IL · 2025
To support the mission of the charity
$10,000
Ecumenical Patriarch Bartholomew Foundation · New York, NY · 2022
To support the mission of the charity
$5,000
St Iakovos Retreat Center · Chicago, IL · 2025
To support the mission of the charity
$5,000
Kids Golf Foundation of Il · Sugar Grove, IL · 2023
To support the mission of the charity
$5,000
Kids Golf Foundation of Il · Sugar Grove, IL · 2023
To support the mission of the charity
$5,000
Naperville Area Humane Society · Naperville, IL · 2023
To support the mission of the charity
$5,000
Naperville Area Humane Society · Naperville, IL · 2023
To support the mission of the charity
$5,000
St Iakovos Retreat Center · Chicago, IL · 2023
To support the mission of the charity
$5,000
St Iakovos Retreat Center · Chicago, IL · 2023
To support the mission of the charity
$5,000
American Cancer Society · Washington, DC · 2022
To support the mission of the charity
$5,000
Assumption Greek Orthodox Church · Homer Glen, IL · 2022
To support the mission of the charity
$5,000
Regan Ranch · Santa Barbara, CA · 2022
To support the mission of the charity
$4,000
Order of St Andrew · New York, NY · 2025
To support the mission of the charity
$3,000
Order of St Andrew · New York, NY · 2024
To support the mission of the charity
$3,000
Order of St Andrew · Chicago, IL · 2023
To support the mission of the charity
$3,000
Order of St Andrew · Chicago, IL · 2023
To support the mission of the charity
$3,000
Order of St Andrew · Chicago, IL · 2022
To support the mission of the charity
$2,500
Hellenic American Academy · Lowell, MA · 2025
To support the mission of the charity
$2,500
Oli Gold Star Gardens · Naperville, IL · 2022
To support the mission of the charity
$2,000
Hillsdale College · Hillsdale, MI · 2025
To support the mission of the charity
$2,000
Hillsdale College · Hillsdale, MI · 2023
To support the mission of the charity
$2,000
Hillsdale College · Hillsdale, MI · 2023
To support the mission of the charity
$1,000
Turning Point USA · Lemont, IL · 2025
To support the mission of the charity
$1,000
Eaa Aviation Foundation · Oshkosh, WI · 2023
To support the mission of the charity
$1,000
Eaa Aviation Foundation · Oshkosh, WI · 2023
To support the mission of the charity
$1,000
Eaa Aviation Foundation · Oshkosh, WI · 2022
To support the mission of the charity
$1,000
Turning Pointe Autism Foundation · Naperville, IL · 2022
To support the mission of the charity
$500
Heroes Heart · Plant City, FL · 2023
To support the mission of the charity
$500
Heroes Heart · Plant City, FL · 2023
To support the mission of the charity
$500
Project Purple · Kankakee, IL · 2023
To support the mission of the charity
$500
Project Purple · Kankakee, IL · 2023
To support the mission of the charity
$100
Heritage Foundation · Washington, DC · 2025
To support the mission of the charity

Who else funds this kind of work

Same state

John D and Catherine T MacArthur Foundation (Consolidated)7,100 grants · $1.67B
The Chicago Community Trust14,939 grants · $5.82B
The Big Ten Conference60 grants · $3.91B

Similar grant size

The US Charitable Gift Trust12,013 grants · $406.6M
Paypal Charitable Giving Fund32,081 grants · $1.40B
Seattle Foundation14,012 grants · $457.3M

Grants already paid are the record; PaperOrbit reads your paper and finds the funders whose record matches it — then explains why.

Search funders like this one

Source: IRS Form 990-PF, Part XV, as filed by the foundation. These are grants already paid — a record of what this funder backs, not an open call.