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Calamos Investments
ActiveOperating status — whether the company still runs independently. “Closed” usually means it was acquired, merged, or shut down.🔥 MediumHeat score — how much recent activity & attention the company has (web traffic, news, hiring).📈 Low growthGrowth score — momentum trend across web traffic, headcount and other growth signals. Naperville, Illinois, United States Founded 1977 251-500 employees For Profit
Calamos Investments is a global investment firm committed to excellence in investment management and client services.
Total Funding
Available in Pro Last Funding
Available in Pro Acquisitions
1
Monthly Visits
Available in Pro Contacts
419
Patents
0
13 trademarks
Company Details
Funding & Financials
Pro- Total funding
- Funding rounds
- Last funding
- Last funding type
- Last funding date
- Funding status
- Total equity funding
- Revenue range
IPO & Stock
- IPO status
- Delisted
- Ticker
- CLMS
- Exchange
- NASDAQ
- IPO date
- Oct 28, 2004
- Raised at IPO
- $360M
- Delisted
- Feb 21, 2017
Web Traffic
Pro- Monthly visits
- Global traffic rank
- 6-mo avg visits
- Visit duration (s)
- Pages / visit
- Bounce rate
- Rank change (mo)
Technology & IP
- Active technologies
- 29
- Active products
- 28
- Patents granted
- 0
- Trademarks
- 13
- IT spend
- $11M
Investor Activity
- Investor type
- Private Equity Firm
Company Info
- Founded
- 1977
- Employees
- 251-500
- Operating status
- Active
- Company type
- For Profit
- Org types
- company, investor
- Founders
- 1
- News articles
- 161
- Events
- 1
- HQ
- Naperville, Illinois, United States
- Region
- Greater Chicago Area, Great Lakes, Midwestern US
- Exit date
- Oct 28, 2004
Signals & Scores
- Heat score
- Medium
- Growth score
- Low
- Trend (7d)
- -0.1
- Trend (30d)
- -0.3
- Trend (90d)
- -0.7
- Last leadership hire
- Dec 10, 2025
Investments by Calamos Investments
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Acquisitions by Calamos Investments
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Key People at Calamos Investments
Chairman, Global CIO and Founder
VP, Director of Investment Operations
SVP, Head of Asset Allocation and Client Solutions
Chief Operating Officer
SVP, Director of Institutional and Intermediary Sales
VP, National Accounts
VP, National Accounts Manager
VP, Co-Portfolio Manager
President and Chief Executive Officer
Senior Vice President, Chief Distribution Officer
Senior Vice President, Managing Director
SVP, Senior Wealth Advisor & Managing Director
419
professional contacts at Calamos Investments
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