# CALAMOS ETF TR S&P 500 STR JULY

CALAMOS ETF TR S&P 500 STR JULY is a security (CUSIP 12811T803) tracked across SEC portfolio filings. 32 institutional managers reported $23.3M on Form 13F as of 2026-06-30.

## Summary

- Issuer: CALAMOS ETF TR
- Class: S&P 500 STR JULY
- CUSIP: 12811T803
- 13F holders: 32
- 13F value: $23.3M
- 13F period: 2026-06-30
- N-PORT fund positions: 0

## Top institutional holders (Form 13F)

_Showing 15 of 32 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [Calamos Advisors LLC](https://search.stillhousedata.com/firm/105758) | NAPERVILLE, IL | $9.6M | 347,129 |
| [Calamos Wealth Management LLC](https://search.stillhousedata.com/firm/143490) | NAPERVILLE, IL | $1.7M | 61,042 |
| [Cetera Investment Advisers](https://search.stillhousedata.com/firm/105644) | SCHAUMBURG, IL | $1.5M | 55,451 |
| [Grantvest Financial Group LLC](https://search.stillhousedata.com/firm/310272) | MATAWAN, NJ | $1.4M | 52,302 |
| OSAIC HOLDINGS, INC. | PHOENIX, AZ | $1.4M | 50,318 |
| [COMMONWEALTH EQUITY SERVICES, LLC](https://search.stillhousedata.com/firm/8032) | WALTHAM, MA | $1.0M | 37,359 |
| [Blue Water Asset Management](https://search.stillhousedata.com/firm/175362) | GRAND RAPIDS, MI | $807K | 29,178 |
| [Astoria Portfolio Advisors LLC.](https://search.stillhousedata.com/firm/288271) | NEW YORK, NY | $748K | 27,039 |
| [OLD MISSION CAPITAL LLC](https://search.stillhousedata.com/firm/146991) | CHICAGO, IL | $617K | 22,965 |
| [Farther Finance Advisors, LLC](https://search.stillhousedata.com/firm/302050) | SAN FRANCISCO, CA | $607K | 21,954 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | BALA CYNWYD, PA | $568K | 21,139 |
| [HighTower Advisors, LLC](https://search.stillhousedata.com/firm/145323) | CHICAGO, IL | $539K | 19,484 |
| [Ellis Investment Partners, LLC](https://search.stillhousedata.com/firm/157669) | Berwyn, PA | $320K | 11,556 |
| PFG Advisors | Phoenix, AZ | $302K | 10,925 |
| [CAP Partners, LLC](https://search.stillhousedata.com/firm/144779) | FRANKLIN, TN | $299K | 10,790 |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/12811T803.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.