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Calamos Advisors LLC

● SEC registered since 1987CRD 105758SEC# 801-29688Naperville, IL
Export (members)
Ranks #315 of 6,004 private fund managers by regulatory AUM.
Reg. AUM
$43.89B
Fund GAV
$215.1M
Private funds
3
Employees
300
Accounts
1,957
Location
Naperville, IL

Calamos Advisors LLC assets under management

Calamos Advisors LLC operates as an SEC-registered investment adviser based in Naperville, IL. The firm has been registered since 1987. It reports $43.9 billion in regulatory assets under management and employs 300 people. Calamos Advisors LLC manages 3 private funds with combined gross assets of $215.1 million, including Calamos Global Opportunities Fund LP. By regulatory assets, it ranks 315 of 6,004 private fund managers.

Calamos Advisors LLC private funds

3 funds · $215.1M GAV
FundTypeGross assetsMin.
Calamos Global Opportunities Fund LPOther Private$210M$5M
Calamos Ares Quant Fund I, LPOther Private$5.1M$5M
Calamos Aksia Hedge Fund Access Enhanced Alpha LPOther Private$36K$500K

Calamos Advisors LLC owners & executives

18 reported
NameTitleOwnershipSince
Calamos Investments LLC ControlSole Member/ManagerOver 75%2004
Daniel Leo Dufresne ControlEvp, Chief Operating OfficerUnder 5%2021
Erik Donald Ojala ControlSvp General Counsel & SecretaryUnder 5%2023
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Frequently asked questions

How much does Calamos Advisors LLC manage?

Calamos Advisors LLC reports $43.9 billion in regulatory assets under management on its Form ADV.

How many private funds does Calamos Advisors LLC manage?

Calamos Advisors LLC manages 3 private funds with combined gross assets of $215.1 million.

How many employees does Calamos Advisors LLC have?

Calamos Advisors LLC reports 300 employees.

Where is Calamos Advisors LLC located?

Calamos Advisors LLC is based in Naperville, IL and has been SEC-registered since 1987.

Does Calamos Advisors LLC disclose fund performance?

Calamos Advisors LLC is not required to publicly disclose fund returns. Form ADV filings include assets, ownership, and service providers, shown above.

Contact & registration

Address2020 Calamos Court, Naperville, IL 60563-2787
Phone630-245-7200
Fax630-245-6835
Office hours8:30a.m. To 5:00p.m.
SEC regionChicago Regional Office (CHRO)
CIK1316507
Discloses disciplinary historyNo

Regulatory AUM

$43.89B▲ 15%
Mar '25 — $38.18BApr '25 — $38.18BMay '25 — $38.18BJun '25 — $38.18BJul '25 — $38.18BAug '25 — $38.18BSep '25 — $38.18BOct '25 — $38.18BNov '25 — $38.18BDec '25 — $38.18BJan '26 — $38.18BFeb '26 — $38.18BMar '26 — $43.89BApr '26 — $43.89BMay '26 — $43.89BJun '26 — $43.89B
Mar '25Form ADV, monthlyJun '26

How this firm compares

Regulatory AUMTop 3%
Larger than 97% of 16,271 advisers
AUM vs fund managersTop 5%
Larger than 95% of 6,004 private-fund managers
Number of fundsTop 53%
More funds than 47% of fund managers
EmployeesTop 3%
More than 97% of 16,825 advisers

Assets under management

$43.89Bregulatory AUM
Discretionary $43.89B

Service providers