# CALAMOS ADVISORS TRUST/IL — new fund registration

CALAMOS ADVISORS TRUST/IL registered as a closed-end fund on Form 485APOS, filed 2005-03-01.

## Registration

- Registrant / trust: CALAMOS ADVISORS TRUST/IL
- CIK: 0001079575
- Form: 485APOS
- Filed: 2005-03-01
- State of incorporation: MA
- Accession: 0000950137-05-002494

## Other filings by this registrant (3)

- [485APOS — 2026-04-08 (2 new series)](https://search.stillhousedata.com/launch/0001104659-26-040845)
- [485APOS — 2010-04-30](https://search.stillhousedata.com/launch/0000950123-10-041399)
- [485APOS — 2010-03-09](https://search.stillhousedata.com/launch/0000950123-10-022655)

## More

- [Registrant profile: CALAMOS ADVISORS TRUST/IL](https://search.stillhousedata.com/registrant/1079575)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/launch/0000950137-05-002494.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

---

Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.