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President and Chief Executive Officer · Calamos Advisors LLC

John S. Koudounis

CRD 1878118 · Named on Form ADV at 4 SEC-registered advisers

At a glance

Calamos Advisors LLC, an SEC-registered asset manager based in Naperville, IL with $43.9 billion in regulatory assets, lists John S. Koudounis on its Form ADV as President and Chief Executive Officer, a control person. The SEC filings also name John at 3 other registered advisers.

Firms and roles

  • Calamos Advisors LLCPresident and Chief Executive OfficerAsset manager · Naperville, IL · $44B in regulatory assets
  • Calamos Wealth Management LLCPresident & Chief Executive OfficerWealth manager · Naperville, IL · $5.5B in regulatory assets
  • CgamDirector, Chairman and Chief Executive OfficerAsset manager · Naperville, IL · $27M in regulatory assets
  • Calamos Private Equity LLCPresident and Chief Executive OfficerAsset manager · Naperville, IL · $0M in regulatory assets

AtlasMembers

John’s stakes and control

What Form ADV says they own at each firm, whether they control it, and how each firm is growing. Atlas members see all of it.

Ownership stake at each firm
4 firmsLocked
Control-person status
4 firmsLocked
When each role began
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Each firm’s assets and growth
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Search and export owners by title, state and firm size
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Free while Atlas launches: create a free account and confirm your email. Every figure comes from SEC filings.

Colleagues named on the same filings (12)

7 more people named with John on the same filings, with titles and firms. Free in Atlas with a free account.

See all 12 free

Something wrong? Ask for a correction. Source: Schedules A and B of each firm’s latest Form ADV, filed with the SEC. For John’s registrations, exams and any disclosures, see the SEC’s adviser search or FINRA BrokerCheck.