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Mailing Address 71 S. WACKER DRIVE, SUITE 2500 CHICAGO IL 60606
Business Address 71 S. WACKER DRIVE, SUITE 2500 CHICAGO IL 60606 3126349200
COLUMBIA ACORN TRUST CIK#: 0000002110 (see all company filings)

State location: IL | State of Inc.: MA | Fiscal Year End: 1231
formerly: ACORN INVESTMENT TRUST (filings through 2001-02-14)
formerly: LIBERTY ACORN TRUST (filings through 2003-10-20)
Class/Contract: C000024973 Columbia Acorn International Select Institutional Class 
Ticker Symbol:   ACFFX
(List all Funds and Classes/Contracts for COLUMBIA ACORN TRUST)

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Items 1 - 40  0000002110 Filings RSS Feed
Filings Format Description Filing Date File/Film Number
497K  Documents Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(K)
Acc-no: 0001193125-24-114423 (33 Act)  Size: 3 MB
2024-04-26 002-34223
24877903
485BPOS  Documents   Interactive Data Post-effective amendment [Rule 485(b)]
Acc-no: 0001193125-24-104368 (40 Act)  Size: 49 MB
2024-04-22 811-01829
24860583
485BPOS  Documents   Interactive Data Post-effective amendment [Rule 485(b)]
Acc-no: 0001193125-24-104368 (33 Act)  Size: 49 MB
2024-04-22 002-34223
24860582
N-CEN  Documents Annual Report for Registered Investment Companies
Acc-no: 0001145549-24-015981 (40 Act)  Size: 275 KB
2024-03-13 811-01829
24745751
24F-2NT  Documents Rule 24F-2 notice
Acc-no: 0001683863-24-001186 (33 Act)  Size: 11 KB
2024-03-06 002-34223
24724815
N-CSR  Documents Certified Shareholder Report
Acc-no: 0001683863-24-001070 (40 Act)  Size: 10 MB
2024-03-01 811-01829
24707834
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001145549-24-008270 (40 Act)  Size: 60 KB
2024-02-26 811-01829
24675311
497  Documents Definitive materials
Acc-no: 0001193125-24-000308 (33 Act)  Size: 219 KB
2024-01-02 002-34223
24500543
497  Documents Definitive materials
Acc-no: 0001193125-23-284039 (33 Act)  Size: 57 KB
2023-11-28 002-34223
231443542
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001145549-23-071021 (40 Act)  Size: 692 KB
2023-11-27 811-01829
231437999
497  Documents Definitive materials
Acc-no: 0001193125-23-274248 (33 Act)  Size: 68 KB
2023-11-09 002-34223
231391125
497K  Documents Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(K)
Acc-no: 0001193125-23-274256 (33 Act)  Size: 22 KB
2023-11-09 002-34223
231391144
497  Documents Definitive materials
Acc-no: 0001193125-23-247604 (33 Act)  Size: 180 KB
2023-10-02 002-34223
231296875
N-CSRS  Documents Certified Shareholder Report, Semi-Annual
Acc-no: 0001683863-23-006161 (40 Act)  Size: 3 MB
2023-09-01 811-01829
231230602
N-PX  Documents Annual Report of proxy voting record of management investment companies
Acc-no: 0001193125-23-219676 (40 Act)  Size: 424 KB
2023-08-24 811-01829
231199108
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001145549-23-049584 (40 Act)  Size: 41 KB
2023-08-24 811-01829
231199884
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001145549-23-031098 (40 Act)  Size: 833 KB
2023-05-25 811-01829
23956052
497J  Documents Certification of no change in definitive materials
Acc-no: 0001193125-23-133507 (33 Act)  Size: 12 KB
2023-05-03 002-34223
23881970
485BPOS  Documents   Interactive Data Post-effective amendment [Rule 485(b)]
Acc-no: 0001193125-23-121340 (33 Act)  Size: 22 MB
2023-04-27 002-34223
23853970
485BPOS  Documents   Interactive Data Post-effective amendment [Rule 485(b)]
Acc-no: 0001193125-23-121340 (40 Act)  Size: 22 MB
2023-04-27 811-01829
23853971
497K  Documents Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(K)
Acc-no: 0001193125-23-121482 (33 Act)  Size: 272 KB
2023-04-27 002-34223
23854350
24F-2NT  Documents Rule 24F-2 notice
Acc-no: 0001683863-23-002229 (33 Act)  Size: 20 KB
2023-03-16 002-34223
23737960
N-CEN  Documents Annual Report for Registered Investment Companies
Acc-no: 0001145549-23-016578 (40 Act)  Size: 319 KB
2023-03-15 811-01829
23735918
N-CSR  Documents Certified Shareholder Report
Acc-no: 0001683863-23-001770 (40 Act)  Size: 4 MB
2023-03-06 811-01829
23707564
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001145549-23-009087 (40 Act)  Size: 42 KB
2023-02-24 811-01829
23663060
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001145549-22-070012 (40 Act)  Size: 808 KB
2022-11-25 811-01829
221418638
N-CSRS  Documents Certified Shareholder Report, Semi-Annual
Acc-no: 0001683863-22-005737 (40 Act)  Size: 4 MB
2022-08-31 811-01829
221216528
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001145549-22-049322 (40 Act)  Size: 43 KB
2022-08-24 811-01829
221190099
N-PX  Documents Annual Report of proxy voting record of management investment companies
Acc-no: 0001193125-22-223814 (40 Act)  Size: 518 KB
2022-08-18 811-01829
221176621
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001145549-22-030110 (40 Act)  Size: 803 KB
2022-05-25 811-01829
22959539
497J  Documents Certification of no change in definitive materials
Acc-no: 0001193125-22-143482 (33 Act)  Size: 13 KB
2022-05-06 002-34223
22900480
497K  Documents Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(K)
Acc-no: 0001193125-22-126935 (33 Act)  Size: 277 KB
2022-04-28 002-34223
22865162
485BPOS  Documents   Interactive Data Post-effective amendment [Rule 485(b)]
Acc-no: 0001193125-22-126760 (40 Act)  Size: 17 MB
2022-04-28 811-01829
22864682
485BPOS  Documents   Interactive Data Post-effective amendment [Rule 485(b)]
Acc-no: 0001193125-22-126760 (33 Act)  Size: 17 MB
2022-04-28 002-34223
22864681
24F-2NT  Documents Rule 24F-2 notice
Acc-no: 0001683863-22-002371 (33 Act)  Size: 20 KB
2022-03-22 002-34223
22759416
N-CEN  Documents Annual Report for Registered Investment Companies
Acc-no: 0001145549-22-016136 (40 Act)  Size: 319 KB
2022-03-15 811-01829
22741511
N-CSR  Documents Certified Shareholder Report
Acc-no: 0001683863-22-001389 (40 Act)  Size: 5 MB
2022-03-03 811-01829
22706979
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001145549-22-008350 (40 Act)  Size: 42 KB
2022-02-24 811-01829
22667188
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001145549-21-067054 (40 Act)  Size: 851 KB
2021-11-23 811-01829
211435296
497  Documents Definitive materials
Acc-no: 0001193125-21-262903 (33 Act)  Size: 48 KB
2021-09-01 002-34223
211229138