# CALAMOS ETF TR RUSSE 2000 APRIL

CALAMOS ETF TR RUSSE 2000 APRIL is a security (CUSIP 12811T134) tracked across SEC portfolio filings. 10 institutional managers reported $2.6M on Form 13F as of 2026-06-30.

## Summary

- Issuer: CALAMOS ETF TR
- Class: RUSSE 2000 APRIL
- CUSIP: 12811T134
- 13F holders: 10
- 13F value: $2.6M
- 13F period: 2026-06-30
- N-PORT fund positions: 0

## Top institutional holders (Form 13F)

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [STOLZ & ASSOCIATES, PS](https://search.stillhousedata.com/firm/117216) | TACOMA, WA | $1.0M | 37,060 |
| [Calamos Wealth Management LLC](https://search.stillhousedata.com/firm/143490) | NAPERVILLE, IL | $622K | 22,485 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | BALA CYNWYD, PA | $533K | 19,811 |
| [OLD MISSION CAPITAL LLC](https://search.stillhousedata.com/firm/146991) | CHICAGO, IL | $340K | 12,640 |
| UBS Group AG | Zurich, V8 | $51K | 1,880 |
| [BURKETT FINANCIAL SERVICES, LLC](https://search.stillhousedata.com/firm/140168) | ROCK HILL, SC | $37K | 1,325 |
| CREATIVE FINANCIAL DESIGNS INC /ADV | KOKOMO, IN | $14K | 521 |
| [CENTAURUS FINANCIAL, INC.](https://search.stillhousedata.com/firm/30833) | ANAHEIM, CA | $205 | 7,621 |
| [Capital Analysts, LLC](https://search.stillhousedata.com/firm/162200) | FORT WASHINGTON, PA | $132 | 4,762 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | 0 |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/12811T134.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.