COLUMBIA ACORN TRUST

Related Filers (84)

Other (893)

497K
Monday, 1/8/2024
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497
Monday, 1/8/2024
Definitive materials filed under paragraph (a), (b), (c), (d), (e) or (f) of Securities Act Rule 497
497K
Monday, 1/8/2024
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497K
Monday, 1/8/2024
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497
Tuesday, 1/2/2024
Definitive materials filed under paragraph (a), (b), (c), (d), (e) or (f) of Securities Act Rule 497
497
Tuesday, 11/28/2023
Definitive materials filed under paragraph (a), (b), (c), (d), (e) or (f) of Securities Act Rule 497
NPORT-P
Monday, 11/27/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Monday, 11/27/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Monday, 11/27/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Monday, 11/27/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Monday, 11/27/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
497K
Thursday, 11/9/2023
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497K
Thursday, 11/9/2023
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497
Thursday, 11/9/2023
Definitive materials filed under paragraph (a), (b), (c), (d), (e) or (f) of Securities Act Rule 497
497K
Thursday, 11/9/2023
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
40-17G
Wednesday, 10/18/2023
Fidelity bond filed pursuant to Rule 17g1(g)(1) of the Investment Company Act of 1940
497
Monday, 10/2/2023
Definitive materials filed under paragraph (a), (b), (c), (d), (e) or (f) of Securities Act Rule 497
N-CSRS
Friday, 9/1/2023
Certified semi-annual shareholder report of registered management investment companies filed on Form N-CSR
N-PX
Thursday, 8/24/2023
Annual Report of Proxy Voting Record of Registered Management Investment Companies filed on Form N-PX
NPORT-P
Thursday, 8/24/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Thursday, 8/24/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Thursday, 8/24/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Thursday, 8/24/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Thursday, 8/24/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
POS EX
Tuesday, 6/13/2023
Post-effective amendment filed solely to add exhibits to a registration statement
NPORT-P
Thursday, 5/25/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Thursday, 5/25/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Thursday, 5/25/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Thursday, 5/25/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Thursday, 5/25/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Thursday, 5/25/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
497K
Wednesday, 5/3/2023
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497J
Wednesday, 5/3/2023
Certification of no change in definitive materials under paragraph (j) of Securities Act Rule 497
497
Wednesday, 5/3/2023
Definitive materials filed under paragraph (a), (b), (c), (d), (e) or (f) of Securities Act Rule 497
497K
Thursday, 4/27/2023
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497K
Thursday, 4/27/2023
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497K
Thursday, 4/27/2023
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497K
Thursday, 4/27/2023
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497K
Thursday, 4/27/2023
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
485BPOS
Thursday, 4/27/2023
Post-effective amendment filed pursuant to Securities Act Rule 485(b) (this filing cannot be submitted as a 1940 Act only filing)
24F-2NT
Thursday, 3/16/2023
Rule 24F-2 notice filed on Form 24F-2
N-CEN
Wednesday, 3/15/2023
Annual Report for Registered Investment Companies
497
Wednesday, 3/15/2023
Definitive materials filed under paragraph (a), (b), (c), (d), (e) or (f) of Securities Act Rule 497
N-CSR
Monday, 3/6/2023
Certified annual shareholder report of registered management investment companies filed on Form N-CSR
497
Tuesday, 2/28/2023
Definitive materials filed under paragraph (a), (b), (c), (d), (e) or (f) of Securities Act Rule 497
497K
Tuesday, 2/28/2023
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
NPORT-P
Friday, 2/24/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Friday, 2/24/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Friday, 2/24/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Friday, 2/24/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Friday, 2/24/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Friday, 2/24/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
497J
Tuesday, 2/14/2023
Certification of no change in definitive materials under paragraph (j) of Securities Act Rule 497
497
Monday, 2/13/2023
Definitive materials filed under paragraph (a), (b), (c), (d), (e) or (f) of Securities Act Rule 497
EFFECT
Friday, 2/10/2023
Notice of Effectiveness
N-14/A
Thursday, 2/9/2023
Initial registration statement filed on Form N14 for open-end investment company, including those filed with automatic effectiveness under Rule 488 (business combinations)
CORRESP
Thursday, 2/9/2023
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
497
Thursday, 2/9/2023
Definitive materials filed under paragraph (a), (b), (c), (d), (e) or (f) of Securities Act Rule 497
497K
Thursday, 2/9/2023
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497K
Thursday, 2/9/2023
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
N-14
Friday, 2/3/2023
Initial registration statement filed on Form N14 for open-end investment company, including those filed with automatic effectiveness under Rule 488 (business combinations)
N-14
Tuesday, 12/20/2022
Initial registration statement filed on Form N14 for open-end investment company, including those filed with automatic effectiveness under Rule 488 (business combinations)
497K
Thursday, 12/8/2022
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497
Thursday, 12/8/2022
Definitive materials filed under paragraph (a), (b), (c), (d), (e) or (f) of Securities Act Rule 497
NPORT-P
Friday, 11/25/2022
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Friday, 11/25/2022
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Friday, 11/25/2022
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Friday, 11/25/2022
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Friday, 11/25/2022
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Friday, 11/25/2022
Monthly Portfolio Investments Report on Form N-PORT (Public)
40-17G
Tuesday, 11/15/2022
Fidelity bond filed pursuant to Rule 17g1(g)(1) of the Investment Company Act of 1940
N-CSRS
Wednesday, 8/31/2022
Certified semi-annual shareholder report of registered management investment companies filed on Form N-CSR
NPORT-P
Wednesday, 8/24/2022
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 8/24/2022
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 8/24/2022
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 8/24/2022
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 8/24/2022
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 8/24/2022
Monthly Portfolio Investments Report on Form N-PORT (Public)
N-PX
Thursday, 8/18/2022
Annual Report of Proxy Voting Record of Registered Management Investment Companies filed on Form N-PX
NPORT-P
Wednesday, 5/25/2022
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 5/25/2022
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 5/25/2022
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 5/25/2022
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 5/25/2022
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 5/25/2022
Monthly Portfolio Investments Report on Form N-PORT (Public)
497J
Friday, 5/6/2022
Certification of no change in definitive materials under paragraph (j) of Securities Act Rule 497
497K
Thursday, 4/28/2022
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497K
Thursday, 4/28/2022
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497K
Thursday, 4/28/2022
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497K
Thursday, 4/28/2022
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497K
Thursday, 4/28/2022
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497K
Thursday, 4/28/2022
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
485BPOS
Thursday, 4/28/2022
Post-effective amendment filed pursuant to Securities Act Rule 485(b) (this filing cannot be submitted as a 1940 Act only filing)
497K
Monday, 4/18/2022
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497
Monday, 4/18/2022
Definitive materials filed under paragraph (a), (b), (c), (d), (e) or (f) of Securities Act Rule 497
24F-2NT
Tuesday, 3/22/2022
Rule 24F-2 notice filed on Form 24F-2
N-CEN
Tuesday, 3/15/2022
Annual Report for Registered Investment Companies
N-CSR
Thursday, 3/3/2022
Certified annual shareholder report of registered management investment companies filed on Form N-CSR
NPORT-P
Thursday, 2/24/2022
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Thursday, 2/24/2022
Monthly Portfolio Investments Report on Form N-PORT (Public)
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Ownership (67)

SC 13G/A
Monday, 2/14/2005
CARBO CERAMICS INC: Major Shareholders
SC 13G/A
Friday, 5/14/2004
COMARCO INC: Major Shareholders
SC 13G/A
Thursday, 2/12/2004
VITALSTREAM HOLDINGS INC: Major Shareholders
SC 13G/A
Tuesday, 2/10/2004
LABOR READY INC: Major Shareholders
SC 13G/A
Tuesday, 2/10/2004
SHUFFLE MASTER INC: Major Shareholders
SC 13G/A
Monday, 6/9/2003
SYSTEMS & COMPUTER TECHNOLOGY CORP: Major Shareholders
SC 13G/A
Thursday, 2/13/2003
AMERICREDIT CORP: Major Shareholders
SC 13G/A
Thursday, 2/13/2003
NEW HORIZONS WORLDWIDE INC: Major Shareholders
SC 13G/A
Thursday, 2/14/2002
KRONOS INC: Major Shareholders
SC 13G
Thursday, 2/14/2002
INFOUSA INC: Major Shareholders
SC 13G
Thursday, 2/14/2002
ITT EDUCATIONAL SERVICES INC: Major Shareholders
SC 13G
Thursday, 2/14/2002
ANALYSTS INTERNATIONAL CORP: Major Shareholders
SC 13G/A
Friday, 2/8/2002
TESORO PETROLEUM CORP /NEW/: Major Shareholders
SC 13G/A
Friday, 2/8/2002
TEXAS REGIONAL BANCSHARES INC: Major Shareholders
SC 13G/A
Wednesday, 2/14/2001
GP STRATEGIES CORP: Major Shareholders
SC 13G/A
Wednesday, 2/14/2001
INFOUSA INC: Major Shareholders
SC 13G/A
Wednesday, 2/14/2001
FIRST HEALTH GROUP CORP: Major Shareholders
SC 13G/A
Wednesday, 2/14/2001
CORVAS INTERNATIONAL INC: Major Shareholders
SC 13G/A
Wednesday, 2/14/2001
YOUNG BROADCASTING INC /DE/: Major Shareholders
SC 13G/A
Wednesday, 2/11/1998
ATCHISON CASTING CORP: Major Shareholders
SC 13G/A
Wednesday, 2/11/1998
AES CORPORATION: Major Shareholders
SC 13G/A
Friday, 2/6/1998
STEVENS INTERNATIONAL INC: Major Shareholders
SC 13G/A
Friday, 2/6/1998
HEIN WERNER CORP: Major Shareholders
SC 13G/A
Friday, 2/6/1998
THOMAS GROUP INC: Major Shareholders
SC 13G/A
Thursday, 2/5/1998
COMARCO INC: Major Shareholders
SC 13G/A
Thursday, 2/5/1998
ALLIED LIFE FINANCIAL CORP: Major Shareholders
SC 13G/A
Friday, 2/14/1997
HEIN WERNER CORP: Major Shareholders
SC 13G/A
Friday, 2/14/1997
HA LO INDUSTRIES INC: Major Shareholders
SC 13G
Friday, 2/14/1997
GIGA INFORMATION GROUP INC: Major Shareholders
SC 13G/A
Friday, 2/14/1997
THOMAS GROUP INC: Major Shareholders
SC 13G/A
Friday, 2/14/1997
SYSTEMS & COMPUTER TECHNOLOGY CORP: Major Shareholders
SC 13G/A
Friday, 2/14/1997
BELL MICROPRODUCTS INC: Major Shareholders
SC 13G/A
Friday, 2/14/1997
MAGNA LOMASON CORP: Major Shareholders
SC 13G/A
Friday, 2/14/1997
AU BON PAIN CO INC: Major Shareholders
SC 13G/A
Friday, 2/14/1997
COMARCO INC: Major Shareholders
SC 13G/A
Friday, 2/14/1997
KRONOS INC: Major Shareholders
SC 13G/A
Friday, 2/14/1997
PXRE CORP: Major Shareholders
SC 13G/A
Friday, 2/14/1997
TESORO PETROLEUM CORP /NEW/: Major Shareholders
SC 13G/A
Friday, 2/14/1997
MONARCH CASINO & RESORT INC: Major Shareholders
SC 13G/A
Friday, 2/14/1997
ALLIED LIFE FINANCIAL CORP: Major Shareholders
SC 13G/A
Friday, 2/14/1997
FOREST CITY ENTERPRISES INC: Major Shareholders
SC 13G/A
Friday, 2/14/1997
DUCKWALL ALCO STORES INC: Major Shareholders
SC 13G/A
Friday, 2/14/1997
ABRAXAS PETROLEUM CORP: Major Shareholders
SC 13G
Friday, 2/14/1997
ATCHISON CASTING CORP: Major Shareholders
SC 13G/A
Friday, 2/14/1997
VERITAS DGC INC: Major Shareholders
SC 13G
Friday, 2/14/1997
RESPIRONICS INC: Major Shareholders
SC 13G
Friday, 2/14/1997
IFR SYSTEMS INC: Major Shareholders
SC 13G
Friday, 2/14/1997
WORLD ACCEPTANCE CORP: Major Shareholders
SC 13G/A
Friday, 2/14/1997
STEVENS INTERNATIONAL INC: Major Shareholders
SC 13G
Friday, 2/14/1997
DATA TRANSMISSION NETWORK CORP: Major Shareholders
SC 13G/A
Friday, 2/14/1997
STEVENS INTERNATIONAL INC: Major Shareholders
SC 13G
Friday, 2/14/1997
DATA TRANSMISSION NETWORK CORP: Major Shareholders
SC 13G
Friday, 2/14/1997
AES CHINA GENERATING CO LTD: Major Shareholders
SC 13G
Wednesday, 2/14/1996
COMARCO INC: Major Shareholders
SC 13G
Wednesday, 2/14/1996
DIGICON INC: Major Shareholders
SC 13G/A
Wednesday, 2/14/1996
DOUGLAS & LOMASON CO: Major Shareholders
SC 13G/A
Wednesday, 2/14/1996
EXIDE ELECTRONICS GROUP INC: Major Shareholders
SC 13G
Wednesday, 2/14/1996
FOREST CITY ENTERPRISES INC: Major Shareholders
SC 13G/A
Wednesday, 2/14/1996
HEIN WERNER CORP: Major Shareholders
SC 13G/A
Wednesday, 2/14/1996
HOMEOWNERS GROUP INC: Major Shareholders
SC 13G/A
Wednesday, 2/14/1996
NATIONAL INSURANCE GROUP /CA/: Major Shareholders
SC 13G/A
Wednesday, 2/14/1996
SHARED TECHNOLOGIES INC: Major Shareholders
SC 13G
Wednesday, 2/14/1996
STEVENS INTERNATIONAL INC: Major Shareholders
SC 13G/A
Wednesday, 2/14/1996
SYSTEMS & COMPUTER TECHNOLOGY CORP: Major Shareholders
SC 13G/A
Wednesday, 2/14/1996
TRIAD SYSTEMS CORP: Major Shareholders
SC 13G
Wednesday, 2/14/1996
CASH AMERICA INTERNATIONAL INC: Major Shareholders
SC 13G/A
Wednesday, 2/14/1996
CIS TECHNOLOGIES INC: Major Shareholders
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Proxies (17)

DEF 14A
Thursday, 1/15/2015
Definitive proxy statements
DEFA14A
Wednesday, 5/5/2010
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEFA14A
Thursday, 4/22/2010
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEF 14A
Monday, 4/19/2010
Definitive proxy statements
PRE 14A
Friday, 2/26/2010
Preliminary proxy statement not related to a contested matter or merger/acquisition
DEF 14A
Friday, 7/29/2005
Definitive proxy statements
DEFA14A
Friday, 10/5/2001
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEFA14A
Thursday, 8/17/2000
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEFA14A
Friday, 6/30/2000
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEFA14A
Wednesday, 6/28/2000
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
PRER14A
Monday, 8/9/1999
Preliminary revised proxy soliciting materials
DEFA14A
Thursday, 11/20/1997
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEFA14A
Monday, 10/27/1997
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEFA14A
Friday, 10/24/1997
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEF 14A
Friday, 10/24/1997
Definitive proxy statements
DEFA14A
Wednesday, 10/15/1997
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
PRE 14A
Monday, 10/6/1997
Preliminary proxy statement not related to a contested matter or merger/acquisition
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