Corporate Headquarters

Calamos Investments
2020 Calamos Court
Naperville, IL 60563-2787
Phone: 630-245-7200
Email: [email protected]

New York

Calamos Investments
610 Fifth Avenue, Suite 700
New York, NY 10020
Phone: 212-474-6800
Email: [email protected]


Calamos Investments LLP
62 Threadneedle Street
London EC2R 8HP
Phone: +44 (0)20 3744 7010
Email: [email protected]

Calamos Investments’ legal business name in the United Kingdom is ‘Calamos Investments LLP’ with registration number OC348754. Please direct enquiries to the registered business address at 5th Floor, 6 St Andrew Street, London, EC4A 3AE