# CALAMOS ETF TR BITCOIN STRUCTRD

CALAMOS ETF TR BITCOIN STRUCTRD is a security (CUSIP 12811T647) tracked across SEC portfolio filings. 9 institutional managers reported $3.2M on Form 13F as of 2026-06-30.

## Summary

- Issuer: CALAMOS ETF TR
- Class: BITCOIN STRUCTRD
- CUSIP: 12811T647
- 13F holders: 9
- 13F value: $3.2M
- 13F period: 2026-06-30
- N-PORT fund positions: 0

## Top institutional holders (Form 13F)

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | BALA CYNWYD, PA | $1.1M | 43,763 |
| [Calamos Advisors LLC](https://search.stillhousedata.com/firm/105758) | NAPERVILLE, IL | $585K | 23,874 |
| JANE STREET GROUP, LLC | NEW YORK, NY | $526K | 21,587 |
| [ATX Financial Planning, LLC](https://search.stillhousedata.com/firm/311589) | AUSTIN, TX | $473K | 19,433 |
| Markin Asset Management, LP | RYE, NY | $359K | 14,651 |
| [HARBOUR INVESTMENTS, INC.](https://search.stillhousedata.com/firm/19258) | MADISON, WI | $162K | 6,644 |
| [Ankerstar Wealth, LLC](https://search.stillhousedata.com/firm/170819) | LEANDER, TX | $25K | 1,014 |
| Cambridge Investment Research Advisors, Inc. | FAIRFIELD, IA | $312 | 12,723 |
| UBS Group AG | Zurich, V8 | $170 | 7 |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/12811T647.md)
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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.