Private foundation · Naperville, IL

The John P Calamos Foundation

View org profile →Find similar funders →Invitation only
Typical grant size
$5K – $25K – $65K
25th · median · 75th percentile
Unique recipients
23
Repeat grantees
6
funded 2+ years

Application procedures · from 2024 990-PF

Leadership · from 2024 990-PF

John P Calamos Sr
CO-TRUSTEE
Mae Calamos
CO-TRUSTEE
Laura Calamos
CO-TRUSTEE
James R Adams
CO-TRUSTEE
Kenneth S Witkowski
CO-TRUSTEE

Source: IRS Form 990-PF, Part VII. Officers, directors, and trustees as reported by the foundation.

Payout rate · TY 2024
29.3%
grants paid ÷ assets · ~5% IRS minimum
'16
'17
'18
'20
'21
'22
'23
'24
71
Total grants awarded
$23.4M
Total amount
$329K
Average grant
$12.5M
Largest grant

Giving by year

2024
$13.2M
8 grants
2023
$1.6M
13 grants
2022
$618K
13 grants
2021
$175K
6 grants
2020
$510K
13 grants
2018
$220K
3 grants
2017
$75K
7 grants
2016
$1.7M
2 grants
2015
$1.0M
1 grants
2014
$3.2M
3 grants
2013
$1.1M
2 grants

Top recipients

8 grants · IL · ✓ Exact match
$15.1M
8 grants · IL · ✓ Exact match
$3.9M
Hellenic Museum
2 grants · IL
$1.3M
Illinois Institute of Tec
1 grant · IL
$1.0M
1 grant · NY · ✓ Exact match
$1.0M
5 grants · DC · ✓ Exact match
$250K
Gofundme Charity
1 grant · CA
$200K
3 grants · NY · ✓ Exact match
$100K
Cross Road Institute
1 grant · MA
$80K
1 grant · IL · ✓ Exact match
$50K

Recipient names are as reported on the 990-PF. ✓ Exact match = EIN matched to IRS records by exact name + state; ≈ likely match = EIN inferred from a closely similar name. The recipient EIN is never stated on the form — it is DoubleNine’s match.

Recent grants · most recent filings first

Illinois Institute of Technology
TO SUPPORT THE MISSION OF THE CHARITY
IL · TY 2024
$12.5M
National Hellenic Museum
TO SUPPORT THE MISSION OF THE CHARITY
IL · TY 2024
$456K
Helenic Initiative
TO SUPPORT THE MISSION OF THE CHARITY
NY · TY 2024
$50K
Washington Oxi Day Foundation
TO SUPPORT THE MISSION OF THE CHARITY
DC · TY 2024
$50K
Yorkville Christian School
TO SUPPORT THE MISSION OF THE CHARITY
IL · TY 2024
$50K
St Nicholas Greek Orthodox Church
TO SUPPORT THE MISSION OF THE CHARITY
NY · TY 2024
$25K
Marmion Academy
TO SUPPORT THE MISSION OF THE CHARITY
IL · TY 2024
$20K
Order of St Andrew
TO SUPPORT THE MISSION OF THE CHARITY
NY · TY 2024
$3K
National Hellenic Museum
TO SUPPORT THE MISSION OF THE CHARITY
IL · TY 2023
$1.2M
Illinois Institute of Technology
TO SUPPORT THE MISSION OF THE CHARITY
IL · TY 2023
$205K
Ecumenical Patriarch Bartholomew Foundation Inc
TO SUPPORT THE MISSION OF THE CHARITY
NY · TY 2023
$80K
Washington Oxi Day Foundation
TO SUPPORT THE MISSION OF THE CHARITY
DC · TY 2023
$50K
Distinguished Flying Cross Society
TO SUPPORT THE MISSION OF THE CHARITY
CA · TY 2023
$15K
Kids Golf Foundation of Il
TO SUPPORT THE MISSION OF THE CHARITY
IL · TY 2023
$5K
Naperville Area Humane Society
TO SUPPORT THE MISSION OF THE CHARITY
IL · TY 2023
$5K
St Iakovos Retreat Center
TO SUPPORT THE MISSION OF THE CHARITY
IL · TY 2023
$5K
Order of St Andrew
TO SUPPORT THE MISSION OF THE CHARITY
IL · TY 2023
$3K
Hillsdale College
TO SUPPORT THE MISSION OF THE CHARITY
MI · TY 2023
$2K
Eaa Aviation Foundation
TO SUPPORT THE MISSION OF THE CHARITY
WI · TY 2023
$1K
Heroes Heart Inc
TO SUPPORT THE MISSION OF THE CHARITY
FL · TY 2023
$500
Project Purple
TO SUPPORT THE MISSION OF THE CHARITY
IL · TY 2023
$500
National Hellenic Museum
TO SUPPORT THE MISSION OF THE CHARITY
IL · TY 2022
$230K
Illinois Institute of Technology
TO SUPPORT THE MISSION OF THE CHARITY
IL · TY 2022
$200K
Cross Road Institute
TO SUPPORT THE MISSION OF THE CHARITY
MA · TY 2022
$80K
Washington Oxi Day Foundation
TO SUPPORT THE MISSION OF THE CHARITY
DC · TY 2022
$50K
Hellenic Initiative Inc
TO SUPPORT THE MISSION OF THE CHARITY
NY · TY 2022
$25K
Ecumenical Patriarch Bartholomew Foundation Inc
TO SUPPORT THE MISSION OF THE CHARITY
NY · TY 2022
$10K
Regan Ranch
TO SUPPORT THE MISSION OF THE CHARITY
CA · TY 2022
$5K
American Cancer Society
TO SUPPORT THE MISSION OF THE CHARITY
DC · TY 2022
$5K
Assumption Greek Orthodox Church
TO SUPPORT THE MISSION OF THE CHARITY
IL · TY 2022
$5K
Order of St Andrew
TO SUPPORT THE MISSION OF THE CHARITY
IL · TY 2022
$3K
Oli Gold Star Gardens
TO SUPPORT THE MISSION OF THE CHARITY
IL · TY 2022
$3K
Turning Pointe Autism Foundation
TO SUPPORT THE MISSION OF THE CHARITY
IL · TY 2022
$1K
Eaa Aviation Foundation
TO SUPPORT THE MISSION OF THE CHARITY
WI · TY 2022
$1K
Illinois Institute of Technology
TO SUPPORT THE MISSION OF THE CHARITY
IL · TY 2021
$60K
Washington Oxi Day Foundation
TO SUPPORT THE MISSION OF THE CHARITY
DC · TY 2021
$50K
Hellenic Initiative Inc
TO SUPPORT THE MISSION OF THE CHARITY
NY · TY 2021
$25K
National Hellenic Museum
TO SUPPORT THE MISSION OF THE CHARITY
IL · TY 2021
$25K
Ecumenical Patriarch Bartholomew Foundation Inc
TO SUPPORT THE MISSION OF THE CHARITY
NY · TY 2021
$10K
Assumption Greek Orthodox Church
TO SUPPORT THE MISSION OF THE CHARITY
IL · TY 2021
$5K
Gofundme Charity
TO SUPPORT THE MISSION OF THE CHICAGO CEO COVID COALITION
CA · TY 2020
$200K
National Hellenic Museum
TO SUPPORT THE MISSION OF THE CHARITY
IL · TY 2020
$70K
Illinois Institute of Technology
TO SUPPORT THE MISSION OF THE CHARITY
IL · TY 2020
$60K
Washington Oxi Day Foundation
TO SUPPORT THE MISSION OF THE CHARITY
DC · TY 2020
$50K
Career & Networking Center
TO SUPPORT THE MISSION OF THE CHARITY
IL · TY 2020
$25K
Indian Prairie Education Foundation
TO SUPPORT THE MISSION OF THE CHARITY
IL · TY 2020
$25K
Naperville Education Foundation
TO SUPPORT THE MISSION OF THE CHARITY
IL · TY 2020
$25K
Naperville Community Television
TO SUPPORT THE MISSION OF THE CHARITY
IL · TY 2020
$15K
Aurora Interfaith Food Pantry
TO SUPPORT THE MISSION OF THE CHARITY
IL · TY 2020
$10K
Assumption Greek Orthodox Church
TO SUPPORT THE MISSION OF THE CHARITY
IL · TY 2020
$10K

Source: IRS Form 990-PF, Part XV. Up to 50 most recent grants shown.