# Calamos Bitcoin 80 Series Structured Alt Protection ETF - October

Calamos Bitcoin 80 Series Structured Alt Protection ETF - October is a registered fund series of Calamos ETF Trust (series S000090061). Net assets $31.2M as of 2026-04-30.

## Profile

- Series ID: S000090061
- Registrant: Calamos ETF Trust
- LEI: 529900XQTGBBHJT8BJ09
- Net assets: $31.2M
- Total assets: $32.2M
- As of: 2026-04-30

## Top holdings (3 reported)

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [United States Treasury](https://search.stillhousedata.com/security/912797SA6) | — | $30.2M | 9680.24% |
| X-Change Financial Access LLC | — | $830K | 265.83% |
| X-Change Financial Access LLC | — | $-5K | -1.52% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-04-30 | $31.2M |
| 2026-01-31 | $31.7M |
| 2025-10-31 | $4.8M |

## More

- [Registrant: Calamos ETF Trust](https://search.stillhousedata.com/registrant/1579881)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000090061.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.