The John P Calamos Foundation | Foundation Profile

GrantBay analyzes IRS Form 990-PF data to help grant seekers find fit funders like The John P Calamos Foundation. Data shown is extracted from Form 990-PF filings.

EIN: 20-1383344

Foundation Overview

Based in Naperville, IL, The John P Calamos Foundation has awarded 109 grants totaling $9,378,108 to organizations in Illinois, New York and 6 other states across the US. Individual grants range from $500 to $1,700,000, with a median award of $10,000.

Latest Tax Year
2023
Total Giving (all years)
$9,378,108
Total Assets
$36,343,979
Median Grant (all grants)
$10,000

Latest Form 990-PF Snapshot

Total Grants
39
Median Grant
$5,000
% No Significant Change
0% (vs previous year)
Data extracted from IRS Form 990-PF filings. Last filing year: February 2026

Foundation Intelligence

Advanced analytics and strategic insights to help nonprofit organizations assess grant opportunities and optimize their application strategies

New Applicant Friendliness
Growth-Minded: 54%

21 of 39 recipients (54%) were new grantees. Foundation actively seeks new partnerships to expand impact. Fresh approaches and innovative programs receive serious consideration.

Geographic Focus
Illinois

57% of grants are awarded in Illinois, with additional funding distributed across 7 other locations. The foundation balances regional focus with broader geographic diversity. Within Illinois, funding concentrates in Chicago (56%), Naperville (21%), Homer Glen (8%).

Funding Trajectory
-6%

Stable funding levels with 6% change over 7 years indicate consistent grant-making capacity and predictable philanthropic resources. This stability suggests reliable ongoing funding opportunities.

Program Areas
Community Projects + 2 others

Diversified giving across multiple program areas with primary emphasis on community projects (73%). This broad approach suggests openness to various causes and innovative cross-sector solutions.

Where is The Money Going?

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Grants & Funding

Analyzing past grantees provides valuable insights into The John P Calamos Foundation's funding preferences, organizational priorities, and grant making patterns. This historical data helps potential applicants understand the foundation's strategic focus and identify successful funding approaches.

Name Amount Location Purpose Year
Eaa Aviation Foundation $1,000 Oshkosh, WI, US To Support The Mission Of The Charity 2023
Ecumenical Patriarch Bartholomew Foundation Inc $80,000 New York, NY, US To Support The Mission Of The Charity 2023
Illinois Institute Of Technology $205,000 Chicago, IL, US To Support The Mission Of The Charity 2023
National Hellenic Museum $1,240,000 Chicago, IL, US To Support The Mission Of The Charity 2023
Order Of St Andrew $3,000 Chicago, IL, US To Support The Mission Of The Charity 2023
Washington Oxi Day Foundation $50,000 Washington, DC, US To Support The Mission Of The Charity 2023
St Iakovos Retreat Center $5,000 Chicago, IL, US To Support The Mission Of The Charity 2023
Project Purple $500 Kankakee, IL, US To Support The Mission Of The Charity 2023
Kids Golf Foundation Of Il $5,000 Sugar Grove, IL, US To Support The Mission Of The Charity 2023
Hillsdale College $2,000 Hillsdale, MI, US To Support The Mission Of The Charity 2023
Naperville Area Humane Society $5,000 Naperville, IL, US To Support The Mission Of The Charity 2023
Heroes Heart Inc $500 Plant City, FL, US To Support The Mission Of The Charity 2023
Distinguished Flying Cross Society $15,000 San Diego, CA, US To Support The Mission Of The Charity 2023
Eaa Aviation Foundation $1,000 Oshkosh, WI, US To Support The Mission Of The Charity 2023
Ecumenical Patriarch Bartholomew Foundation Inc $80,000 New York, NY, US To Support The Mission Of The Charity 2023
Illinois Institute Of Technology $1,205,000 Chicago, IL, US To Support The Mission Of The Charity 2023
National Hellenic Museum $240,000 Chicago, IL, US To Support The Mission Of The Charity 2023
Order Of St Andrew $3,000 Chicago, IL, US To Support The Mission Of The Charity 2023
Washington Oxi Day Foundation $50,000 Washington, DC, US To Support The Mission Of The Charity 2023
St Iakovos Retreat Center $5,000 Chicago, IL, US To Support The Mission Of The Charity 2023
Project Purple $500 Kankakee, IL, US To Support The Mission Of The Charity 2023
Kids Golf Foundation Of Il $5,000 Sugar Grove, IL, US To Support The Mission Of The Charity 2023
Hillsdale College $2,000 Hillsdale, MI, US To Support The Mission Of The Charity 2023
Naperville Area Humane Society $5,000 Naperville, IL, US To Support The Mission Of The Charity 2023
Heroes Heart Inc $500 Plant City, FL, US To Support The Mission Of The Charity 2023
Distinguished Flying Cross Society $15,000 San Diego, CA, US To Support The Mission Of The Charity 2023
Eaa Aviation Foundation $1,000 Oshkosh, WI, US To Support The Mission Of The Charity 2023
Ecumenical Patriarch Bartholomew Foundation Inc $80,000 New York, NY, US To Support The Mission Of The Charity 2023
Illinois Institute Of Technology $205,000 Chicago, IL, US To Support The Mission Of The Charity 2023
National Hellenic Museum $1,240,000 Chicago, IL, US To Support The Mission Of The Charity 2023
Order Of St Andrew $3,000 Chicago, IL, US To Support The Mission Of The Charity 2023
Washington Oxi Day Foundation $50,000 Washington, DC, US To Support The Mission Of The Charity 2023
St Iakovos Retreat Center $5,000 Chicago, IL, US To Support The Mission Of The Charity 2023
Project Purple $500 Kankakee, IL, US To Support The Mission Of The Charity 2023
Kids Golf Foundation Of Il $5,000 Sugar Grove, IL, US To Support The Mission Of The Charity 2023
Hillsdale College $2,000 Hillsdale, MI, US To Support The Mission Of The Charity 2023
Naperville Area Humane Society $5,000 Naperville, IL, US To Support The Mission Of The Charity 2023
Heroes Heart Inc $500 Plant City, FL, US To Support The Mission Of The Charity 2023
Distinguished Flying Cross Society $15,000 San Diego, CA, US To Support The Mission Of The Charity 2023
Assumption Greek Orthodox Church $5,000 Homer Glen, IL, US To Support The Mission Of The Charity 2022
Ecumenical Patriarch Bartholomew Foundation Inc $10,000 New York, NY, US To Support The Mission Of The Charity 2022
Hellenic Initiative Inc $25,000 New York, NY, US To Support The Mission Of The Charity 2022
Illinois Institute Of Technology $200,000 Chicago, IL, US To Support The Mission Of The Charity 2022
National Hellenic Museum $230,000 Chicago, IL, US To Support The Mission Of The Charity 2022
Order Of St Andrew $3,000 Chicago, IL, US To Support The Mission Of The Charity 2022
Washington Oxi Day Foundation $50,000 Washington, DC, US To Support The Mission Of The Charity 2022
Regan Ranch $5,000 Santa Barbara, CA, US To Support The Mission Of The Charity 2022
Oli Gold Star Gardens $2,500 Naperville, IL, US To Support The Mission Of The Charity 2022
American Cancer Society $5,000 Washington, DC, US To Support The Mission Of The Charity 2022
Cross Road Institute $80,000 Vambridge, MA, US To Support The Mission Of The Charity 2022
Turning Pointe Autism Foundation $1,000 Naperville, IL, US To Support The Mission Of The Charity 2022
Eaa Aviation Foundation $1,000 Oshkosh, WI, US To Support The Mission Of The Charity 2022
Assumption Greek Orthodox Church $5,000 Homer Glen, IL, US To Support The Mission Of The Charity 2022
Ecumenical Patriarch Bartholomew Foundation Inc $10,000 New York, NY, US To Support The Mission Of The Charity 2022
Hellenic Initiative Inc $25,000 New York, NY, US To Support The Mission Of The Charity 2022
Illinois Institute Of Technology $200,000 Chicago, IL, US To Support The Mission Of The Charity 2022
National Hellenic Museum $230,000 Chicago, IL, US To Support The Mission Of The Charity 2022
Order Of St Andrew $3,000 Chicago, IL, US To Support The Mission Of The Charity 2022
Washington Oxi Day Foundation $50,000 Washington, DC, US To Support The Mission Of The Charity 2022
Regan Ranch $5,000 Santa Barbara, CA, US To Support The Mission Of The Charity 2022
Oli Gold Star Gardens $2,500 Naperville, IL, US To Support The Mission Of The Charity 2022
American Cancer Society $5,000 Washington, DC, US To Support The Mission Of The Charity 2022
Cross Road Institute $80,000 Vambridge, MA, US To Support The Mission Of The Charity 2022
Turning Pointe Autism Foundation $1,000 Naperville, IL, US To Support The Mission Of The Charity 2022
Eaa Aviation Foundation $1,000 Oshkosh, WI, US To Support The Mission Of The Charity 2022
Assumption Greek Orthodox Church $5,000 Homer Glen, IL, US To Support The Mission Of The Charity 2022
Ecumenical Patriarch Bartholomew Foundation Inc $10,000 New York, NY, US To Support The Mission Of The Charity 2022
Hellenic Initiative Inc $25,000 New York, NY, US To Support The Mission Of The Charity 2022
Illinois Institute Of Technology $200,000 Chicago, IL, US To Support The Mission Of The Charity 2022
National Hellenic Museum $230,000 Chicago, IL, US To Support The Mission Of The Charity 2022
Order Of St Andrew $3,000 Chicago, IL, US To Support The Mission Of The Charity 2022
Washington Oxi Day Foundation $50,000 Washington, DC, US To Support The Mission Of The Charity 2022
Regan Ranch $5,000 Santa Barbara, CA, US To Support The Mission Of The Charity 2022
Oli Gold Star Gardens $2,500 Naperville, IL, US To Support The Mission Of The Charity 2022
American Cancer Society $5,000 Washington, DC, US To Support The Mission Of The Charity 2022
Cross Road Institute $80,000 Vambridge, MA, US To Support The Mission Of The Charity 2022
Turning Pointe Autism Foundation $1,000 Naperville, IL, US To Support The Mission Of The Charity 2022
Eaa Aviation Foundation $1,000 Oshkosh, WI, US To Support The Mission Of The Charity 2022
Assumption Greek Orthodox Church $5,000 Homer Glen, IL, US To Support The Mission Of The Charity 2021
Illinois Institute Of Technology $60,000 Chicago, IL, US To Support The Mission Of The Charity 2021
National Hellenic Museum $25,000 Chicago, IL, US To Support The Mission Of The Charity 2021
Washington Oxi Day Foundation $50,000 Washington, DC, US To Support The Mission Of The Charity 2021
Ecumenical Patriarch Bartholomew Foundation Inc $10,000 New York, NY, US To Support The Mission Of The Charity 2021
Hellenic Initiative Inc $25,000 New York, NY, US To Support The Mission Of The Charity 2021
Illinois Institute Of Technology $60,000 Chicago, IL, US To Support The Mission Of The Charity 2020
Aurora Interfaith Food Pantry $10,000 Aurora, IL, US To Support The Mission Of The Charity 2020
Naperville Community Television $15,000 Naperville, IL, US To Support The Mission Of The Charity 2020
Career & Networking Center $25,000 Naperville, IL, US To Support The Mission Of The Charity 2020
Naperville Education Foundation $25,000 Naperville, IL, US To Support The Mission Of The Charity 2020
Assumption Greek Orthodox Church $10,000 Homer Glen, IL, US To Support The Mission Of The Charity 2020
Indian Prairie Education Foundation $25,000 Naperville, IL, US To Support The Mission Of The Charity 2020
Urban Autism Solutions $5,000 Chicago, IL, US To Support The Mission Of The Charity 2020
Chicago Children's Choir $5,000 Chicago, IL, US To Support The Mission Of The Charity 2020
Washington Oxi Day Foundation $50,000 Washington, DC, US To Support The Mission Of The Charity 2020
Order Of St Andrew $10,000 Chicago, IL, US To Support The Mission Of The Charity 2020
Gofundme Charity $200,000 Los Angeles, CA, US To Support The Mission Of The Chicago Ceo Covid Coalition 2020
National Hellenic Museum $70,000 Chicago, IL, US To Support The Mission Of The Charity 2020
Oxi Day Foundation $10,000 Washington, DC, US To Support The Mission Of The Foundation 2018
Illinois Institute Of Technology $50,000 Chicago, IL, US To Support The Mission Of The Charity 2018
National Hellenic Museum $160,000 Chicago, IL, US To Support The Museum In The Education And Advancement Of Prospective Generations 2018
National Hellenic Museum $6,608 Chicago, IL, US To Support The Museum In The Education And Advancement Of Prospective Generations 2017
Metropolis Of Chicago $500 Chicago, IL, US To Support The Church For Prospective Generations 2017
Hippocratic Cancer Research Foundation $5,000 Chicago, IL, US To Support The Advancement Of Cancer Research 2017
Oxi Day Foundation $10,000 Washington, DC, US To Support The Mission Of The Foundation 2017
Ronald Mcdonald Hc Cni $25,000 Oak Brook, IL, US To Support The Mission Of The Charity 2017
Greek American Rehab & Care Center $2,500 Wheeling, IL, US To Support The Mission Of The Center 2017
Order Of St Andrew The Apostle $25,000 Nyc, NY, US To Support The Mission Of The Church 2017
National Hellenic Museum $1,700,000 Chicago, IL, US To Support The Museum In The Education And Advancement Of Prospective Generations. 2016
Greek Orthodox Church $10,000 Chicago, IL, US To Support The Church For Prospective Generations. 2016

Foundations Similar to The John P Calamos Foundation

Discover 5 foundations with comparable assets ($35,204,854-$37,714,499), similar grant patterns, and geographic focus in IL that may also align with your organization's funding needs and grant seeking strategy.

Foundation Name Total Assets Typical Grant Size Service Area Similarity Match

EIN: 13-3603275 | 520 grants awarded
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median grant
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EIN: 36-4152268 | 316 grants awarded
$35,488,098
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$20,000
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Same state
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Excellent match

EIN: 36-6101775 | 461 grants awarded
$35,204,854
(≈ Similar)
$15,000
median grant
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Same state
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EIN: 36-3715828 | 600 grants awarded
$37,714,499
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Contact Information

Official contact details for The John P Calamos Foundation as registered with the IRS. These details are essential for grant applications, correspondence, and due diligence processes.

EIN 20-1383344
Website N/A
Address 2020 CALAMOS CT STE 200 Naperville, IL 60563-2793

Key People (5)

Board members, trustees, and key staff who oversee The John P Calamos Foundation's grant making decisions and strategic direction. Understanding leadership composition can provide insights into foundation priorities and potential networking opportunities.

Co-trustee John P Calamos Sr
Co-trustee Mae Calamos
Co-trustee Laura Calamos
Co-trustee James R Adams
Co-trustee Kenneth S Witkowski

Forms 990-PF

IRS Form 990-PF filings provide comprehensive financial information, grant details, and operational data. These documents are essential resources for understanding foundation capacity, giving patterns, and strategic priorities.

Form 990-PF Research Tips
  • Review Part XV for detailed grant recipient information and funding purposes
  • Check Part I for total assets, annual giving amounts, and payout requirements
  • Examine Part VIII for key personnel compensation and board structure
  • Look for trends across multiple years to understand giving patterns

About This Foundation Profile

This comprehensive foundation profile for The John P Calamos Foundation is powered by Grant Bay's advanced foundation research platform. Our system analyzes IRS Form 990-PF filings, grant histories, and philanthropic patterns to provide nonprofit organizations with actionable intelligence for grant seeking success.

Data Sources & Accuracy

All information is derived from official IRS filings and public records. Grant Bay processes thousands of Form 990-PF documents to extract grant details, financial data, and organizational information. Data accuracy depends on foundation reporting quality and IRS filing completeness.

Research Applications

Use this profile for prospect research, grant strategy development, application preparation, and relationship building. Combine this data with additional research on foundation priorities, application processes, and board member backgrounds for comprehensive grant seeking strategies.

Data Currency: Last updated February 2026 based on IRS Form 990-PF filings. Foundation information reflects most recent available tax year data.