Calamos Investments

Calamos Investments is a global investment firm serving the needs of individuals, investment professionals, and institutions.

Basic Information

Category: Asset Management
Founded: 1977
Headquarters: Naperville, IL
Website: calamos.com

Documented Facts

Phone: 630-245-7200
Email: investmentprofessionals@calamos.com
CEO: John Koudounis

Evidence and Sources

Calamos Investments — Official Site (official)
Calamos Investments on instagram (social)
Calamos Investments on linkedin (social)

Citation Guidance

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Last verified: 2025-10-27T23:50:09.514Z

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