![John Calamos](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
John Calamos
Founder at
CALAMOS ASSET MANAGEMENT, INC
Net worth: 97 M $ as of 31/05/2026
Profile
Mr. John P.
Calamos is a Chairman-Trustees Board & President at Calamos Long/Short Equity & Dynamic Income Trust, a Founder, Chairman & Global Chief Investment Officer at Calamos Asset Management, Inc., Calamos Advisors LLC and at Calamos Investments LLC, a Chairman at National Hellenic Museum, a Chairman & Global Co-Chief Investment Officer at Calamos Wealth Management LLC, a Member at Investment Analysts Society of Chicago and a President at Calamos Family Partners, Inc. He is on the Board of Directors at Calamos ETF Trust and Illinois Institute of Technology.
He has over 50 years of industry experience.
Prior to entering the investment industry, Mr. Calamos served in the United States Air Force.
During the Vietnam War, he served as a Forward Air Controller, with responsibilities for guiding accurate air strikes and preventing injuries to friendly troops.
He received a B.A. in Economics and an M.B.A. in Finance from Illinois Tech.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 31/03/2026 | 1,450,158 ( 5.15% ) | 37 M $ | 31/05/2026 | |
Calamos Aksia Alternative Credit Fund
 Calamos Aksia Alternative Credit Fund Investment Trusts/Mutual FundsMiscellaneous Functions as a closed-end investment fund or Investment trust -.--% | 01/06/2026 | 2,545,105 ( -.--% ) | 27 M $ | 31/05/2026 |
-.--% | 26/06/2025 | 1,809,831 ( -.--% ) | 22 M $ | 31/05/2026 |
| 31/03/2025 | 228,078 ( 0.14% ) | 5 M $ | 31/05/2026 | |
| 31/03/2026 | 198,090 ( 2.02% ) | 3 M $ | 31/05/2026 | |
| 31/03/2026 | 190,936 ( 0.24% ) | 3 M $ | 31/05/2026 | |
| 31/03/2026 | 74,702 ( 0.38% ) | 974 861 $ | 31/05/2026 | |
| 31/03/2026 | 23,860 ( 0.03% ) | 304 692 $ | 31/05/2026 | |
| 31/03/2025 | 16,384 ( 0.03% ) | 149 422 $ | 31/05/2026 |
John Calamos active positions
| Companies | Position | Start |
|---|---|---|
| CALAMOS CONVERTIBLE AND HIGH INCOME FUND | Chairman | 01/01/2003 |
| CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND | Chairman | 01/01/2002 |
| CALAMOS ASSET MANAGEMENT, INC | Founder | 23/07/2004 |
| CALAMOS STRATEGIC TOTAL RETURN FUND | Chairman | 01/01/2003 |
| CALAMOS GLOBAL DYNAMIC INCOME FUND | Chairman | 01/01/2007 |
| CALAMOS GLOBAL TOTAL RETURN FUND | Chairman | 01/01/2004 |
| CALAMOS DYNAMIC CONVERTIBLE AND INCOME FUND | Chairman | 01/01/2015 |
| CALAMOS LONG/SHORT EQUITY & DYNAMIC INCOME TERM TRUST | Chief Executive Officer | - |
Calamos Advisors LLC
 Calamos Advisors LLC Investment ManagersFinance Calamos Advisors utilizes top-down insights with rigorous bottom-up fundamental research. They employ an active, high-conviction investment approach to building portfolios. A collaborative team-managed approach allows them to fully evaluate all elements of an investment idea. Top-down perspective, proprietary fundamental research and risk management drive the portfolio construction process across all strategies. | Founder | 01/01/1977 |
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Former positions of John Calamos
| Companies | Position | End |
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Training of John Calamos
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
40
1st degree connections
18
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 18 |
|---|---|
Calamos Asset Management, Inc.
 Calamos Asset Management, Inc. Investment ManagersFinance Operates as a diversified investment management company | Finance |
Calamos Family Partners, Inc.
 Calamos Family Partners, Inc. Investment ManagersFinance Provides investment management services | Finance |
Calamos Financial Services LLC
 Calamos Financial Services LLC Investment Banks/BrokersFinance Part of Calamos Family Partners, Inc., Calamos Financial Services LLC is a company based in Naperville, IL. John Spiro Koudounis has been the CEO of the company since 2016. | Finance |
Calamos ETF Trust
 Calamos ETF Trust Investment Trusts/Mutual FundsMiscellaneous Exchange Traded Fund | Miscellaneous |
Calamos Convertible Opportunities & Income Fund
 Calamos Convertible Opportunities & Income Fund Investment Trusts/Mutual FundsMiscellaneous Acts as Closed-End Investment Fund/Investment Trust | Miscellaneous |
Calamos Strategic Total Return Fund
 Calamos Strategic Total Return Fund Investment Trusts/Mutual FundsMiscellaneous Acts as Closed-End Investment Fund/Investment Trust | Miscellaneous |
Calamos Convertible & High Income Fund
 Calamos Convertible & High Income Fund Investment Trusts/Mutual FundsMiscellaneous Acts as Closed-End Investment Fund/Investment Trust | Miscellaneous |
Calamos Global Total Return Fund
 Calamos Global Total Return Fund Investment Trusts/Mutual FundsMiscellaneous Acts as Closed-End Investment Fund/Investment Trust | Miscellaneous |
Calamos Global Dynamic Income Fund
 Calamos Global Dynamic Income Fund Investment Trusts/Mutual FundsMiscellaneous Acts as Closed-End Investment Fund/Investment Trust | Miscellaneous |
Calamos Dynamic Convertible & Income Fund
 Calamos Dynamic Convertible & Income Fund Investment Trusts/Mutual FundsMiscellaneous Acts as Closed-End Investment Fund/Investment Trust | Miscellaneous |
Calamos Long/Short Equity & Dynamic Income Trust
 Calamos Long/Short Equity & Dynamic Income Trust Investment Trusts/Mutual FundsMiscellaneous Acts as Closed-End Investment Fund/Investment Trust | Miscellaneous |
Illinois Institute of Technology
 Illinois Institute of Technology Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Calamos Advisors LLC
Calamos Advisors LLC Investment ManagersFinance Calamos Advisors utilizes top-down insights with rigorous bottom-up fundamental research. They employ an active, high-conviction investment approach to building portfolios. A collaborative team-managed approach allows them to fully evaluate all elements of an investment idea. Top-down perspective, proprietary fundamental research and risk management drive the portfolio construction process across all strategies. | Finance |
Investment Analysts Society of Chicago | |
Calamos Wealth Management LLC
 Calamos Wealth Management LLC Investment ManagersFinance Provides global advisory and wealth management services | Finance |
Calamos Investments LLC
 Calamos Investments LLC Investment ManagersFinance Calamos Investments offers innovative investment strategies including alternatives, multi-asset, convertible, fixed income, and equity. | Finance |
US Air Force
 US Air Force SovereignGovernment Provides aerial warfare and space warfare services | Government |
National Hellenic Museum
 National Hellenic Museum Other Consumer ServicesConsumer Services Operates museums and exhibition centers | Consumer Services |
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