COLUMBIA ACORN TRUST
SEC Filing List

CIK: 0000002110
Form Description Owner/Filer Filing Agent Date Actions
NPORT-PMonthly Portfolio Investments Report on ...State Street Bank & Trust CO Fund Admin Dept. /fa08/28/2026
NPORT-PMonthly Portfolio Investments Report on ...State Street Bank & Trust CO Fund Admin Dept. /fa08/28/2026
NPORT-PMonthly Portfolio Investments Report on ...State Street Bank & Trust CO Fund Admin Dept. /fa08/28/2026
NPORT-PMonthly Portfolio Investments Report on ...State Street Bank & Trust CO Fund Admin Dept. /fa08/28/2026
NPORT-PMonthly Portfolio Investments Report on ...State Street Bank & Trust CO Fund Admin Dept. /fa08/28/2026
497Definitive 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/08/24/2026
N-PXAnnual Report of Proxy Voting Record of ...DONNELLEY FINANCIAL SOLUTIONS /FA/08/18/2026
497Definitive 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
497Definitive materials filed under paragra...Columbia Acorn Trust DONNELLEY FINANCIAL SOLUTIONS /FA/07/17/2026
497Definitive materials filed under paragra...Columbia Acorn Trust DONNELLEY FINANCIAL SOLUTIONS /FA/06/30/2026
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