Form N-1A Supplement |
Oct. 31, 2024 |
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| Prospectus [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Supplement to Prospectus [Text Block] | Supplement dated September 2, 2025 to the Prospectus, as supplemented, of the following funds:
As it was stated in the supplement dated July 2, 2025, the Board of Trustees of Columbia International Equity Income ETF and Columbia U.S. Equity Income ETF (each, a Fund and collectively, the Funds) approved changes to each Fund's Principal Investment Strategies and each Fund’s performance benchmark, effective on or about September 2, 2025 (the Effective Date). In addition to the changes described in the July 2, 2025 supplement, the following changes are hereby made to the Funds' Prospectus. Summary of Columbia International Equity Income ETF To show the new primary benchmark (Solactive GFS Developed Markets ex NA Large & Mid Cap Value Style USD Index) performance information the Average Annual Total Returns table in the subsection "Performance Information” in the “Summary of Columbia International Equity Income ETF" section of the Prospectus is deleted in its entirety and replaced with the following: Average Annual Total Returns (for periods ended December 31, 2024)
* The Life of Fund Index performance is for the period from October 14, 2022 through December 31, 2024. ** The Combined Former Indices 5 Years and Life of Fund performance represents the Fund’s Former Index (Beta Advantage® Sustainable International Equity Income 100 Index (Net)) performance for the period from June 13, 2016 to October 14, 2022 and the Fund’s other former Index (Beta Advantage® International ESG Equity Income Index (Net)) performance for the period from October 14, 2022 through December 31, 2024. The Combined Former Indices 1 Year performance represents the performance of the Beta Advantage® International ESG Equity Income Index (Net). Summary of Columbia U.S. Equity Income ETF To show the new primary benchmark (Solactive GFS United States Large & Mid Cap Value Style USD Index) performance information the Average Annual Total Returns table in the subsection "Performance Information” in the “Summary of Columbia U.S. Equity Income ETF" section of the Prospectus is deleted in its entirety and replaced with the following: Average Annual Total Returns (for periods ended December 31, 2024)
* The Life of Fund Index performance is for the period from October 14, 2022 through December 31, 2024. ** The Combined Former Indices 5 Years and Life of Fund performance represents the Fund’s Former Index (Beta Advantage® Sustainable U.S. Equity Income 100 Index) performance for the period from June 13, 2016 to October 14, 2022 and the Fund’s other former Index (Beta Advantage® U.S. ESG Equity Income Index) performance for the period from October 14, 2022 through December 31, 2024. The Combined Former Indices 1 Year performance represents the performance of the Beta Advantage® U.S. ESG Equity Income Index. |
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| Prospectus [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Supplement to Prospectus [Text Block] | Supplement dated September 2, 2025 to the Prospectus, as supplemented, of the following funds:
As it was stated in the supplement dated July 2, 2025, the Board of Trustees of Columbia International Equity Income ETF and Columbia U.S. Equity Income ETF (each, a Fund and collectively, the Funds) approved changes to each Fund's Principal Investment Strategies and each Fund’s performance benchmark, effective on or about September 2, 2025 (the Effective Date). In addition to the changes described in the July 2, 2025 supplement, the following changes are hereby made to the Funds' Prospectus. Summary of Columbia International Equity Income ETF To show the new primary benchmark (Solactive GFS Developed Markets ex NA Large & Mid Cap Value Style USD Index) performance information the Average Annual Total Returns table in the subsection "Performance Information” in the “Summary of Columbia International Equity Income ETF" section of the Prospectus is deleted in its entirety and replaced with the following: Average Annual Total Returns (for periods ended December 31, 2024)
* The Life of Fund Index performance is for the period from October 14, 2022 through December 31, 2024. ** The Combined Former Indices 5 Years and Life of Fund performance represents the Fund’s Former Index (Beta Advantage® Sustainable International Equity Income 100 Index (Net)) performance for the period from June 13, 2016 to October 14, 2022 and the Fund’s other former Index (Beta Advantage® International ESG Equity Income Index (Net)) performance for the period from October 14, 2022 through December 31, 2024. The Combined Former Indices 1 Year performance represents the performance of the Beta Advantage® International ESG Equity Income Index (Net). |
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| S000053879 [Member] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prospectus [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Supplement to Prospectus [Text Block] | Supplement dated September 2, 2025 to the Prospectus, as supplemented, of the following funds:
As it was stated in the supplement dated July 2, 2025, the Board of Trustees of Columbia International Equity Income ETF and Columbia U.S. Equity Income ETF (each, a Fund and collectively, the Funds) approved changes to each Fund's Principal Investment Strategies and each Fund’s performance benchmark, effective on or about September 2, 2025 (the Effective Date). In addition to the changes described in the July 2, 2025 supplement, the following changes are hereby made to the Funds' Prospectus. Summary of Columbia U.S. Equity Income ETF To show the new primary benchmark (Solactive GFS United States Large & Mid Cap Value Style USD Index) performance information the Average Annual Total Returns table in the subsection "Performance Information” in the “Summary of Columbia U.S. Equity Income ETF" section of the Prospectus is deleted in its entirety and replaced with the following: Average Annual Total Returns (for periods ended December 31, 2024)
* The Life of Fund Index performance is for the period from October 14, 2022 through December 31, 2024. ** The Combined Former Indices 5 Years and Life of Fund performance represents the Fund’s Former Index (Beta Advantage® Sustainable U.S. Equity Income 100 Index) performance for the period from June 13, 2016 to October 14, 2022 and the Fund’s other former Index (Beta Advantage® U.S. ESG Equity Income Index) performance for the period from October 14, 2022 through December 31, 2024. The Combined Former Indices 1 Year performance represents the performance of the Beta Advantage® U.S. ESG Equity Income Index. |