# CALAMOS STRATEGIC TOTAL RETURN FUND

CALAMOS STRATEGIC TOTAL RETURN FUND (CIK 1275214) is an SEC-registered fund company and $3.5B in net assets as of 2026-04-30.

## Registrant

- CIK: 1275214
- File number: 811-21484
- LEI: 54930048NQ2YBS3TXW78
- Address: 2020 CALAMOS COURT, NAPERVILLE, US-IL, 60563
- Phone: 630-245-7200
- Net assets: $3.5B
- Total assets: $5.4B
- Latest report: 2026-04-30

## Fund series (1)

| Series | Net assets |
| --- | --- |
| CALAMOS STRATEGIC TOTAL RETURN FUND | $3.5B |

## Largest reported holdings (across all series)

| Holding | Value |
| --- | --- |
| [NVIDIA Corp](https://search.stillhousedata.com/security/67066G104) | $256.9M |
| [Alphabet Inc](https://search.stillhousedata.com/security/02079K305) | $239.4M |
| [Apple Inc](https://search.stillhousedata.com/security/037833100) | $233.6M |
| [Microsoft Corp](https://search.stillhousedata.com/security/594918104) | $174.4M |
| [Amazon.com Inc](https://search.stillhousedata.com/security/023135106) | $171.4M |
| [Broadcom Inc](https://search.stillhousedata.com/security/11135F101) | $125.1M |
| [Meta Platforms Inc](https://search.stillhousedata.com/security/30303M102) | $84.6M |
| [Tesla Inc](https://search.stillhousedata.com/security/88160R101) | $69.7M |
| [GE Vernova Inc](https://search.stillhousedata.com/security/36828A101) | $63.6M |
| [JPMorgan Chase & Co](https://search.stillhousedata.com/security/46625H100) | $59.7M |
| [Eli Lilly & Co](https://search.stillhousedata.com/security/532457108) | $55.2M |
| [Johnson & Johnson](https://search.stillhousedata.com/security/478160104) | $49.9M |
| [ON SEMICONDUCTOR CORP](https://search.stillhousedata.com/security/682189AU9) | $49.3M |
| [Visa Inc](https://search.stillhousedata.com/security/92826C839) | $45.7M |
| [Lam Research Corp](https://search.stillhousedata.com/security/512807306) | $45.5M |

## More

- [CIK 1275214 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1275214&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/registrant/1275214.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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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.