# CALAMOS ETF TR S&P 500 PROT ETF

CALAMOS ETF TR S&P 500 PROT ETF is a security (CUSIP 12811T746) tracked across SEC portfolio filings. 12 institutional managers reported $11.5M on Form 13F as of 2026-06-30.

## Summary

- Issuer: CALAMOS ETF TR
- Class: S&P 500 PROT ETF
- CUSIP: 12811T746
- 13F holders: 12
- 13F value: $11.5M
- 13F period: 2026-06-30
- N-PORT fund positions: 0

## Top institutional holders (Form 13F)

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [Calamos Advisors LLC](https://search.stillhousedata.com/firm/105758) | NAPERVILLE, IL | $9.6M | 346,422 |
| [OLD MISSION CAPITAL LLC](https://search.stillhousedata.com/firm/146991) | CHICAGO, IL | $476K | 17,508 |
| [Calamos Wealth Management LLC](https://search.stillhousedata.com/firm/143490) | NAPERVILLE, IL | $452K | 16,360 |
| PFG Advisors | Phoenix, AZ | $403K | 14,587 |
| [ARMSTRONG ADVISORY GROUP, INC](https://search.stillhousedata.com/firm/318662) | NEEDHAM, MA | $224K | 8,115 |
| [Ashton Thomas Private Wealth, LLC](https://search.stillhousedata.com/firm/153902) | SCOTTSDALE, AZ | $153K | 5,537 |
| Advisory Services Network, LLC | Atlanta, GA | $128K | 4,700 |
| [New England Capital Financial Advisors LLC](https://search.stillhousedata.com/firm/109203) | MERIDEN, CT | $46K | 1,665 |
| [BURKETT FINANCIAL SERVICES, LLC](https://search.stillhousedata.com/firm/140168) | ROCK HILL, SC | $25K | 905 |
| CREATIVE FINANCIAL DESIGNS INC /ADV | KOKOMO, IN | $17K | 604 |
| [CENTAURUS FINANCIAL, INC.](https://search.stillhousedata.com/firm/30833) | ANAHEIM, CA | $352 | 12,946 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | 0 |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/12811T746.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.