![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: 98 M $ as of 30/07/2026
Profile
John Peter Calamos is the founder of Calamos Asset Management, Inc., founded in 2004, serving as Chairman & Global Chief Investment Officer.
Mr. Calamos is the founder of Calamos Advisors LLC, founded in 1977, serving as Chairman & Global CIO.
Mr. Calamos is the founder of Calamos Investments LLC, founded in 1977, serving as Chairman & Global CIO.
Mr. Calamos is also the founder of Calamos Family Partners, Inc.,Calamos Wealth Management LLC..
Current positions include Chairman at National Hellenic Museum; Chairman-Trustees Board & President at Calamos Convertible Opportunities & Income Fund since 2002; Chairman-Trustees Board & President at Calamos Strategic Total Return Fund since 2003; Chairman-Trustees Board & President at Calamos Convertible & High Income Fund since 2003; Chairman-Trustees Board & President at Calamos Global Total Return Fund since 2004; Chairman-Trustees Board & President at Calamos Global Dynamic Income Fund since 2007; Chairman-Trustees Board & President at Calamos Dynamic Convertible & Income Fund since 2015; Chairman-Trustees Board & President at Calamos Long since 2017; President & Trustee at Calamos ETF Trust since 1988; Trustee at Illinois Institute of Technology; Member at Investment Analysts Society of Chicago.
Former positions include President & Chief Executive Officer at Calamos Financial Services LLC; Combat Pilot at US Air Force.
Education includes undergraduate and MBAistration degrees from Illinois Institute of Technology.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 30/03/2026 | 1,450,158 ( 5.15% ) | 36 M $ | 30/07/2026 | |
-.--% | 25/06/2025 | 1,809,831 ( -.--% ) | 22 M $ | 30/07/2026 |
Calamos Aksia Alternative Credit Fund
 Calamos Aksia Alternative Credit Fund Investment Trusts/Mutual FundsMiscellaneous Functions as a closed-end investment fund or Investment trust -.--% | 28/06/2026 | 1,839,606 ( -.--% ) | 19 M $ | 30/07/2026 |
17.13% | 28/06/2026 | 938,956 ( 17.13% ) | 10 M $ | 30/07/2026 |
| 30/03/2025 | 228,078 ( 0.14% ) | 5 M $ | 30/07/2026 | |
| 30/03/2026 | 198,090 ( 2.02% ) | 3 M $ | 30/07/2026 | |
| 30/03/2026 | 190,936 ( 0.24% ) | 2 M $ | 30/07/2026 | |
| 30/03/2026 | 74,702 ( 0.38% ) | 985 319 $ | 30/07/2026 | |
| 30/03/2026 | 23,860 ( 0.03% ) | 298 966 $ | 30/07/2026 | |
| 30/03/2025 | 16,384 ( 0.03% ) | 135 987 $ | 30/07/2026 |
John Calamos active positions
| Companies | Position | Start |
|---|---|---|
| CALAMOS CONVERTIBLE AND HIGH INCOME FUND | Chairman | 31/12/2002 |
| CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND | Chairman | 31/12/2001 |
| CALAMOS ASSET MANAGEMENT, INC | Founder | 22/07/2004 |
| CALAMOS STRATEGIC TOTAL RETURN FUND | Chairman | 31/12/2002 |
| CALAMOS GLOBAL DYNAMIC INCOME FUND | Chairman | 31/12/2006 |
| CALAMOS GLOBAL TOTAL RETURN FUND | Chairman | 31/12/2003 |
| CALAMOS DYNAMIC CONVERTIBLE AND INCOME FUND | Chairman | 31/12/2014 |
| 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 | 31/12/1976 |
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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
34
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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