# CALAMOS ETF TR S&P 500 STRCTURD

CALAMOS ETF TR S&P 500 STRCTURD is a security (CUSIP 12811T811) tracked across SEC portfolio filings. 20 institutional managers reported $15.7M on Form 13F as of 2026-06-30.

## Summary

- Issuer: CALAMOS ETF TR
- Class: S&P 500 STRCTURD
- CUSIP: 12811T811
- 13F holders: 20
- 13F value: $15.7M
- 13F period: 2026-06-30
- N-PORT fund positions: 0

## Top institutional holders (Form 13F)

_Showing 15 of 20 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [Calamos Advisors LLC](https://search.stillhousedata.com/firm/105758) | NAPERVILLE, IL | $9.6M | 346,379 |
| [HARBOUR INVESTMENTS, INC.](https://search.stillhousedata.com/firm/19258) | MADISON, WI | $1.6M | 60,271 |
| [COMMONWEALTH EQUITY SERVICES, LLC](https://search.stillhousedata.com/firm/8032) | WALTHAM, MA | $1.3M | 46,143 |
| [Advisor OS, LLC](https://search.stillhousedata.com/firm/287792) | CHICAGO, IL | $1.1M | 39,263 |
| [OLD MISSION CAPITAL LLC](https://search.stillhousedata.com/firm/146991) | CHICAGO, IL | $402K | 15,006 |
| [JIM SAULNIER & ASSOCIATES, LLC](https://search.stillhousedata.com/firm/169889) | FORT COLLINS, CO | $364K | 13,142 |
| [Calamos Wealth Management LLC](https://search.stillhousedata.com/firm/143490) | NAPERVILLE, IL | $330K | 11,939 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | BALA CYNWYD, PA | $278K | 10,401 |
| Next Level Private LLC | HARRISON, NY | $232K | 8,385 |
| [Waverly Advisors, LLC](https://search.stillhousedata.com/firm/115332) | BIRMINGHAM, AL | $213K | 7,960 |
| [BURKETT FINANCIAL SERVICES, LLC](https://search.stillhousedata.com/firm/140168) | ROCK HILL, SC | $110K | 3,980 |
| Royal Bank of Canada | TORONTO, A6 | $104K | 3,899 |
| MORGAN STANLEY | NEW YORK, NY | $54K | 2,000 |
| CREATIVE FINANCIAL DESIGNS INC /ADV | KOKOMO, IN | $40K | 1,456 |
| UBS Group AG | Zurich, V8 | $17K | 646 |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/12811T811.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.