# Calamos S&P 500 Structured Alt Protection ETF - May

Calamos S&P 500 Structured Alt Protection ETF - May is a ETF series of Calamos ETF Trust (series S000084800). Net assets $53.0M as of 2026-04-30.

## Profile

- Series ID: S000084800
- Registrant: Calamos ETF Trust
- LEI: 529900YBJJAKW7UWTP52
- Net assets: $53.0M
- Total assets: $67.3M
- As of: 2026-04-30
- Type: ETF

## Advisers

- [Calamos Advisors LLC (Advisor)](https://search.stillhousedata.com/firm/105758)

## Top holdings (3 reported)

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| Goldman Sachs & Co. LLC | — | $64.3M | 12118.34% |
| Goldman Sachs & Co. LLC | — | $0 | 0.00% |
| Goldman Sachs & Co. LLC | — | $-11.3M | -2124.18% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-04-30 | $53.0M |
| 2026-01-31 | $54.7M |
| 2025-10-31 | $59.0M |
| 2025-07-31 | $64.4M |
| 2025-04-30 | $55.4M |
| 2025-01-31 | $66.7M |
| 2024-10-31 | $72.0M |
| 2024-07-31 | $107.8M |

## More

- [Registrant: Calamos ETF Trust](https://search.stillhousedata.com/registrant/1579881)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000084800.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

---

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.