CALAMOS ADVISORS LLC
Limited Liability Company · WILMINGTON, United States · LEI 549300B31HSTBIV6QG26
LEI active
Summary
CALAMOS ADVISORS LLC is registered in the United States. Its legal form is Limited Liability Company. According to GLEIF, its ultimate parent is CALAMOS INVESTMENTS LLC (United States), which is also its direct parent. That group has 4 subsidiaries with LEIs in 1 country, 4 of them in the United States. It has 2 direct subsidiaries in GLEIF data; 1 of them has a lapsed LEI. The LEI was first issued on 8 Mar 2013 and the record was last updated on 23 Dec 2025; the next renewal is due by 10 Jan 2027.
Written from GLEIF data using fixed, reviewed sentence templates.
Data-quality notes (AssetCensus analysis)
No data-quality notes for this entity in this data release.
Company details
| Legal form | Limited Liability Company |
|---|---|
| Register | · Register website |
| Registration number | 3855452 |
| Registration authority | Division of Corporations, Department of State |
| Jurisdiction | United States (US-DE) |
| Registered address | C/O THE CORPORATION TRUST COMPANY, CORPORATION TRUST CENTER, 19801 WILMINGTON, United States |
| Headquarters address | 2020 CALAMOS CT, 60563 NAPERVILLE, United States |
| Category | company or other legal entity |
| Status | active |
| Founded (per GLEIF) | 15 Sep 2004 |
| LEI | 549300B31HSTBIV6QG26 |
| LEI status | active |
| LEI first issued | 8 Mar 2013 |
| LEI record last updated | 23 Dec 2025 |
| Next LEI renewal | 10 Jan 2027 |
| Corroboration of the LEI record | fully corroborated |
Group membership
CALAMOS ADVISORS LLC this entity
CALAMOS OPIS LLC United States
Relationship to the parent
| Direct parent | Ultimate parent | |
|---|---|---|
| Parent | CALAMOS INVESTMENTS LLC | CALAMOS INVESTMENTS LLC |
| Accounting period | 1 Jan 2025 to 31 Dec 2025 | 1 Jan 2025 to 31 Dec 2025 |
| Evidence | other official documents | other official documents |
| Corroboration | supplied by the entity only | supplied by the entity only |
| Relationship start | 24 Feb 2019 | 24 Feb 2019 |
| Recorded at GLEIF since | 12 Apr 2013 | 12 Apr 2013 |
| Last updated | 23 Dec 2025 | 23 Dec 2025 |
| Record status | current | current |
Direct subsidiaries (2)
- Calamos Aksia Advisors LLC United States lapsed · Wilmington
- CALAMOS OPIS LLC United States · WILMINGTON
Other subsidiaries of the same direct parent (1)
- CALAMOS WEALTH MANAGEMENT LLC United States