Calamos Advisors LLC is an SEC registered investment adviser organized as a limited liability company with a primary office location in Naperville, IL. Its latest Form ADV filing, dated April 30, 2026, reports $43.9B in regulatory assets under management, 300 employees, 6 offices, and 1,957 accounts.
Portfolio management for individuals and small businesses
Portfolio management for investment companies
Fee models offered
1 types reported
Asset based fees
Sources checked May 13, 2026
Client Coverage Demographics
Top client segmentHNWI represent 70.1% of total clients.
Top client categories% of clientsClients
1
HNWI
70.1%
1,372
2
Individuals
18.6%
364
3
Investment Cos.
3.8%
74
4
Corporations
3.6%
70
5
Pension Plans
2.1%
41
Regulatory Assets Under Management Breakdown
Total regulatory assets under management$43.9Bas of April 30, 2026
Discretionary100.0%
$43.9B
100% of total RAUM100.0%
Non-discretionary0.0%
$0
0% of total RAUM0.0%
All regulatory assets under management are discretionary.
Assets under management Growth by Quarter
Quarterly points use the latest ADV filing or SEC roster snapshot available in each quarter.
Latest AUM$43.9B
Total Accounts1,957
10Y AUM Change+$25.6B (+140.1%)
Employee Growth by Quarter
Quarterly points use the latest ADV filing or SEC roster snapshot available in each quarter.
Total Employees300
Clients per Employee7:1
10Y Employee Change+73 (+32.2%)
* Metrics are based on the latest available data, including Form ADV filings, brochures, and relationship summaries pulled from the SEC IAPD, and may be subject to change. Learn what is included in the Rialytix data. Please refer to the firm's official disclosures for the most accurate information using their CRD number. This is not investment advice.