Calamos S&P 500 Structured Alt Protection ETF - June
Data updated: 2026-09-29
C000252653 — Calamos S&P 500 Structured Alt Protection ETF - June. Alternative · $26.41M AUM. Holdings, fees, performance and SEC filings.
C000252653 Fund Overview
Calamos S&P 500 Structured Alt Protection ETF - June is a US ETF managed by Calamos ETF Trust, categorised as Alternative. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US ETF
- Manager: Calamos ETF Trust
- Category: Alternative
- Assets under management: $26.41M
- SEC CIK: 0001579881
- SEC series ID: S000086983
- Share class ID: C000252653
C000252653 Investment Objective and Strategy
Calamos S&P 500 Structured Alt Protection ETF - June describes its objective and strategy as follows, from its latest prospectus filed with the SEC by Calamos ETF Trust.
Investment objective
"Calamos S&P 500 ? Structured Alt Protection ETF ? June (the ""Fund"") seeks to provide investment results that, before taking fees and expenses into account, match the positive price return of the SPDR ? S&P 500 ? ETF Trust (""Underlying ETF"") up to a cap of 7.33% (the ""Cap""), while protecting against 100% of negative price return of the Underlying ETF (before fees and expenses), for the period from June 1, 2025 through May 31, 2026."
Principal investment strategy
Each Funds prospectus contains one or more instances of a section titled Subsequent Outcome Periods. Each such section is hereby deleted in its entirety and replaced with the following: Approximately one week prior to the end of each Outcome Period, the Fund will file a prospectus supplement that will alert existing shareholders that the Outcome Period is approaching its conclusion and disclose the anticipated Cap range for the next Outcome Period. This filing will be mailed to existing shareholders. Following the close of business on the last day of the Outcome Period, the Fund will file a prospectus supplement that discloses the Funds Cap for the next Outcome Period. This filing will be mailed to existing shareholders. There is no guarantee the Cap will be within the anticipated Cap range.
The information referenced above will also be available on the Funds website at www.calamos.com . Please retain this supplement for future reference
C000252653 Holdings
Top 1 holdings of Calamos S&P 500 Structured Alt Protection ETF - June by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Goldman Sachs & Co. LLC | 99.26% |
C000252653 Portfolio Allocation
Asset-class allocation of Calamos S&P 500 Structured Alt Protection ETF - June by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Derivatives | 99.3% |
C000252653 Performance
Total returns for C000252653 (as of 2026-10-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 1.7% |
C000252653 Costs and Fees
C000252653 costs about $69 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.69%
- Gross expense ratio: 0.69%
- Portfolio turnover: 0%
- Brokerage commissions: 0.85 bps of average net assets (SEC N-CEN)
C000252653 Cashflows
Over the 12 months to 2026-04, Calamos S&P 500 Structured Alt Protection ETF - June had net inflows of $12.29M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-04 | $0 |
| 2026-03 | $680.78K |
| 2026-02 | $0 |
| 2026-01 | $679.09K |
| 2025-12 | $673.90K |
| 2025-11 | $0 |
C000252653 Debt Constituents
No individual debt constituents are reported in Calamos S&P 500 Structured Alt Protection ETF - June's latest SEC N-PORT filing.
C000252653 Prospectus and SEC Filings
Official Calamos S&P 500 Structured Alt Protection ETF - June filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2025-11-21
- Prospectus (485BPOS) — filed 2024-08-23
- Prospectus supplement (497) — filed 2025-05-30
- Portfolio holdings (N-PORT) — filed 2026-09-29
- Portfolio holdings (N-PORT) — filed 2026-06-26
- Portfolio holdings (N-PORT) — filed 2026-03-31
- Annual census (N-CEN) — filed 2025-10-14
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Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.