COLUMBIA ACORN TRUST
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CIK: 0000002110

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Form	Description	Owner/Filer	Filing Agent	Date	Actions
497	Definitive materials filed under paragra...	COLUMBIA ACORN TRUST , COLUMBIA FUNDS SERIES TRUST I , COLUMBIA FUNDS SERIES TRUST , Columbia Funds Series Trust II	DONNELLEY FINANCIAL SOLUTIONS /FA/	07/24/2026	View ... Create Alert Filing info Download PDF Copy Link
497	Definitive materials filed under paragra...	Columbia Acorn Trust	DONNELLEY FINANCIAL SOLUTIONS /FA/	07/17/2026	View ... Create Alert Filing info Download PDF Copy Link
497K	Summary Prospectus for certain open-end ...	Columbia Acorn Trust	DONNELLEY FINANCIAL SOLUTIONS /FA/	06/30/2026	View ... Create Alert Filing info Download PDF Copy Link
497	Definitive materials filed under paragra...	Columbia Acorn Trust	DONNELLEY FINANCIAL SOLUTIONS /FA/	06/30/2026	View ... Create Alert Filing info Download PDF Copy Link
497	Definitive materials filed under paragra...	COLUMBIA ACORN TRUST , COLUMBIA FUNDS SERIES TRUST I , COLUMBIA FUNDS SERIES TRUST , Columbia Funds Series Trust II	DONNELLEY FINANCIAL SOLUTIONS /FA/	06/25/2026	View ... Create Alert Filing info Download PDF Copy Link
497K	Summary Prospectus for certain open-end ...	Columbia Acorn Trust	DONNELLEY FINANCIAL SOLUTIONS /FA/	06/18/2026	View ... Create Alert Filing info Download PDF Copy Link
497	Definitive materials filed under paragra...	Columbia Acorn Trust	DONNELLEY FINANCIAL SOLUTIONS /FA/	06/18/2026	View ... Create Alert Filing info Download PDF Copy Link
APP NTC		Columbia Acorn Trust	cik 9999999997 /fa	06/08/2026	View ... Create Alert Filing info Download PDF Copy Link
APP ORDR		Columbia Acorn Trust	cik 9999999997 /fa	06/08/2026	View ... Create Alert Filing info Download PDF Copy Link
NPORT-P	Monthly Portfolio Investments Report on ...		State Street Bank & Trust CO Fund Admin Dept. /fa	05/28/2026	View ... Create Alert Filing info Download PDF Copy Link
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