CALAMOS INVESTMENTS LLC group: subsidiaries and structure
Limited Liability Company · Wilmington, United States · LEI 5493002DFFE70IMJMJ58
4subsidiaries
1countries
2held directly
1lapsed LEIs
0links on accounts older than 24 months
0ISINs of subsidiaries
Summary
CALAMOS INVESTMENTS LLC is the ultimate parent of 4 subsidiaries with LEIs in 1 country, as reported to GLEIF. 2 are held directly; the others sit below intermediate companies. All of them are in the United States. 1 of the subsidiaries has a lapsed LEI, and 0 links rest on accounts older than 24 months.
Written from GLEIF data using fixed, reviewed sentence templates.
Subsidiaries by country
Data-quality notes (AssetCensus analysis)
No group-level data-quality notes in this data release.
1 subsidiaries have data-quality notes; they are listed on each company page.
Group structure
Indentation shows the direct parent reported to GLEIF.
CALAMOS ADVISORS LLC United States
CALAMOS OPIS LLC United States
CALAMOS WEALTH MANAGEMENT LLC United States
Subsidiaries
| Company | Country | City | LEI | Accounts year | Notes |
|---|---|---|---|---|---|
| CALAMOS ADVISORS LLC | United States | WILMINGTON | 549300B31HSTBIV6QG26 | 2025 | |
| Calamos Aksia Advisors LLC | United States | Wilmington | 549300JK5MARGBR0V142 | 2025 | lapsed |
| CALAMOS OPIS LLC | United States | WILMINGTON | 549300KOPETUMB4MTW78 | 2025 | |
| CALAMOS WEALTH MANAGEMENT LLC | United States | WILMINGTON | 549300UIPYGN68RMCA51 | 2025 |