Hedge Fund Profile

Calamos Investments

hedge fund manager based in London. Founded 1977.

Profile data last updated October 2026.

$29M
Assets Under Mgmt
300
Employees
1977
Year Founded
United Kingdom
SEC Registered
📊 Fund Details
Legal Name
Calamos Investments
Headquarters
London, United Kingdom
AUM
$29.0 Million
Employees
300
Year Founded
1977
SEC Registered
✓ Yes
Firm Type
Hedge Fund
Number of Clients
18
📍 Address & Contact
🏢
62 Threadneedle Street
London EC2R 8HP
United Kingdom
📞
20 3744 7010
✉
cam***@calamos.com Unlock →
👤
hr***@kkr.com Unlock →
Careers / HR
👥 Leadership
JP
John P. Calamos Sr.
Founder, Chairman and Chief Investment Officer
LinkedIn
JK
John Koudounis
Chief Executive Officer
LinkedIn
TH
Thomas Herman
Chief Financial Officer
LinkedIn
GK
Greg Kuhl
Senior Vice President
LinkedIn

Full email addresses for Calamos Investments executives and other United Kingdom hedge funds are included in the UK Hedge Fund List.

About Calamos Investments

Calamos Investments is a global investment firm committed to excellence in investment management and client services.

Calamos Investments manages approximately $29 million. See our ranking of the largest hedge funds for comparison.