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Form 485BPOS - Post-effective amendment [Rule 485(b)]:
SEC Accession No. 0001193125-23-121340
Filing Date
2023-04-27
Accepted
2023-04-27 12:46:36
Documents
94
Effectiveness Date
2023-05-01

Document Format Files

Seq Description Document Type Size
1 COLUMBIA ACORN TRUST d467818d485bpos.htm   iXBRL 485BPOS 8027979
2 BYLAWS OF THE TRUST d467818dex99b.htm EX-99.(B) 54029
3 FEE WAIVER/EXPENSE REIMBURSEMENT AGREEMENT d467818dex99h4.htm EX-99.(H)(4) 9486
4 FEE WAIVER/EXPENSE REIMBURSEMENT AGREEMENT d467818dex99h5.htm EX-99.(H)(5) 8698
5 FEE WAIVER/EXPENSE REIMBURSEMENT AGREEMENT d467818dex99h6.htm EX-99.(H)(6) 9083
6 FEE WAIVER/EXPENSE REIMBURSEMENT AGREEMENT d467818dex99h7.htm EX-99.(H)(7) 9142
7 FEE WAIVER/EXPENSE REIMBURSEMENT AGREEMENT d467818dex99h9.htm EX-99.(H)(9) 6829
8 TRANSFER AGENT FEE WAIVER AGREEMENT d467818dex99h10.htm EX-99.(H)(10) 6733
9 PARTICIPATION AGREEMENT d467818dex99h13.htm EX-99.(H)(13) 69361
10 AMENDED AND RESTATED CREDIT AGREEMENT d467818dex99h15.htm EX-99.(H)(15) 544900
11 OPINION LETTER AND WRITTEN CONSENT d467818dex99i.htm EX-99.(I) 7128
12 CONSENT OF INDEPENDENT REGISTERED ACCOUNTING FIRM d467818dex99j.htm EX-99.(J) 3254
13 GLOBAL PERSONAL ACCOUNT DEALING AND CODE OF ETHICS d467818dex99p1.htm EX-99.(P)(1) 132946
20 GRAPHIC g461833g56x79.jpg GRAPHIC 26425
21 GRAPHIC g467818dsp10.jpg GRAPHIC 239604
22 GRAPHIC g467818dsp11.jpg GRAPHIC 260931
23 GRAPHIC g467818dsp12.jpg GRAPHIC 322848
24 GRAPHIC g467818dsp13.jpg GRAPHIC 311568
25 GRAPHIC g467818dsp14.jpg GRAPHIC 278032
26 GRAPHIC g467818dsp15.jpg GRAPHIC 285599
27 GRAPHIC g467818dsp16.jpg GRAPHIC 256903
28 GRAPHIC g467818dsp17.jpg GRAPHIC 253541
29 GRAPHIC g467818dsp18.jpg GRAPHIC 289344
30 GRAPHIC g467818dsp19.jpg GRAPHIC 282184
31 GRAPHIC g467818dsp20.jpg GRAPHIC 279195
32 GRAPHIC g467818dsp21.jpg GRAPHIC 264228
33 GRAPHIC g467818dsp22.jpg GRAPHIC 268415
34 GRAPHIC g467818dsp23.jpg GRAPHIC 254470
35 GRAPHIC g467818dsp24.jpg GRAPHIC 224051
36 GRAPHIC g467818dsp25.jpg GRAPHIC 221465
37 GRAPHIC g467818dsp26.jpg GRAPHIC 244484
38 GRAPHIC g467818dsp27.jpg GRAPHIC 173488
39 GRAPHIC g467818dsp28.jpg GRAPHIC 201079
40 GRAPHIC g467818dsp29.jpg GRAPHIC 199508
41 GRAPHIC g467818dsp30.jpg GRAPHIC 59442
42 GRAPHIC g467818dsp31.jpg GRAPHIC 54964
43 GRAPHIC g467818dsp32.jpg GRAPHIC 45007
44 GRAPHIC g467818dsp33.jpg GRAPHIC 144508
45 GRAPHIC g467818g0426232325837.jpg GRAPHIC 7905
46 GRAPHIC g467818g1acorn_cticyanc.gif GRAPHIC 312
47 GRAPHIC g467818g1acorns_sized.gif GRAPHIC 64026
48 GRAPHIC g467818g1coltnlogospot.gif GRAPHIC 1563
49 GRAPHIC g467818g1cyanblocks.gif GRAPHIC 3039
50 GRAPHIC g467818g1imgb3627d9d1.gif GRAPHIC 573
51 GRAPHIC g467818g1imge82e26952.jpg GRAPHIC 10873
52 GRAPHIC g467818g1logocolor_1.jpg GRAPHIC 8348
53 GRAPHIC g467818g2acorn_cticyanc.gif GRAPHIC 312
54 GRAPHIC g467818g2acorns_sized.gif GRAPHIC 64026
55 GRAPHIC g467818g2coltnlogospot.gif GRAPHIC 1563
56 GRAPHIC g467818g2cyanblocks.gif GRAPHIC 3039
57 GRAPHIC g467818g2img1deba8441.gif GRAPHIC 573
58 GRAPHIC g467818g2imgbc73e9842.jpg GRAPHIC 10563
59 GRAPHIC g467818g2logocolor_1.jpg GRAPHIC 8348
60 GRAPHIC g467818g3acorn_cticyanc.gif GRAPHIC 312
61 GRAPHIC g467818g3acorns_sized.gif GRAPHIC 64026
62 GRAPHIC g467818g3coltnlogospot.gif GRAPHIC 1563
63 GRAPHIC g467818g3cyanblocks.gif GRAPHIC 3039
64 GRAPHIC g467818g3img673cf9151.gif GRAPHIC 573
65 GRAPHIC g467818g3img7588f1fe2.jpg GRAPHIC 10737
66 GRAPHIC g467818g3logocolor_1.jpg GRAPHIC 8348
67 GRAPHIC g467818g4acorn_cticyanc.gif GRAPHIC 312
68 GRAPHIC g467818g4acorns_sized.gif GRAPHIC 64026
69 GRAPHIC g467818g4coltnlogospot.gif GRAPHIC 1563
70 GRAPHIC g467818g4cyanblocks.gif GRAPHIC 3039
71 GRAPHIC g467818g4img294c776a1.gif GRAPHIC 573
72 GRAPHIC g467818g4imgb7d571b22.jpg GRAPHIC 10438
73 GRAPHIC g467818g4logocolor_1.jpg GRAPHIC 8348
74 GRAPHIC g467818g5acorn_cticyanc.gif GRAPHIC 312
75 GRAPHIC g467818g5acorns_sized.gif GRAPHIC 64026
76 GRAPHIC g467818g5coltnlogospot.gif GRAPHIC 1563
77 GRAPHIC g467818g5cyanblocks.gif GRAPHIC 3039
78 GRAPHIC g467818g5img8d0e51ad2.jpg GRAPHIC 10316
79 GRAPHIC g467818g5imgda18c2321.gif GRAPHIC 573
80 GRAPHIC g467818g5logocolor_1.jpg GRAPHIC 8348
81 GRAPHIC g467818image1.jpg GRAPHIC 12102
82 GRAPHIC g467818image2.jpg GRAPHIC 13593
83 GRAPHIC g467818image3.jpg GRAPHIC 8719
  Complete submission text file 0001193125-23-121340.txt   22553019

Data Files

Seq Description Document Type Size
14 XBRL TAXONOMY EXTENSION SCHEMA cat-20230427.xsd EX-101.SCH 14760
15 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE cat-20230427_cal.xml EX-101.CAL 4717
16 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE cat-20230427_def.xml EX-101.DEF 383582
17 XBRL TAXONOMY EXTENSION LABEL LINKBASE cat-20230427_lab.xml EX-101.LAB 198359
18 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE cat-20230427_pre.xml EX-101.PRE 377991
90 EXTRACTED XBRL INSTANCE DOCUMENT d467818d485bpos_htm.xml XML 539279

Series and Classes/Contracts Information:

Existing
  Status Name Ticker Symbol
CIK 0000002110      
Series S000009184   Columbia Acorn Fund
Class/Contract C000024954   Columbia Acorn Fund Class A LACAX
Class/Contract C000024956   Columbia Acorn Fund Class C LIACX
Class/Contract C000024957   Columbia Acorn Fund Institutional Class ACRNX
Class/Contract C000122735   Columbia Acorn Fund Advisor Class CEARX
Class/Contract C000122736   Columbia Acorn Fund Institutional 2 Class CRBRX
Class/Contract C000122737   Columbia Acorn Fund Institutional 3 Class CRBYX
  Status Name Ticker Symbol
CIK 0000002110      
Series S000009185   Columbia Acorn International
Class/Contract C000024958   Columbia Acorn International Class A LAIAX
Class/Contract C000024960   Columbia Acorn International Class C LAICX
Class/Contract C000024961   Columbia Acorn International Institutional Class ACINX
Class/Contract C000097732   Columbia Acorn International Class R CACRX
Class/Contract C000097733   Columbia Acorn International Institutional 2 Class CAIRX
Class/Contract C000122738   Columbia Acorn International Advisor Class CCIRX
Class/Contract C000122739   Columbia Acorn International Institutional 3 Class CCYIX
  Status Name Ticker Symbol
CIK 0000002110      
Series S000009188   Columbia Acorn International Select
Class/Contract C000024970   Columbia Acorn International Select Class A LAFAX
Class/Contract C000024972   Columbia Acorn International Select Class C LFFCX
Class/Contract C000024973   Columbia Acorn International Select Institutional Class ACFFX
Class/Contract C000122746   Columbia Acorn International Select Institutional 2 Class CRIRX
Class/Contract C000122747   Columbia Acorn International Select Institutional 3 Class CSIRX
Class/Contract C000122748   Columbia Acorn International Select Advisor Class CILRX
  Status Name Ticker Symbol
CIK 0000002110      
Series S000009189   Columbia Thermostat Fund
Class/Contract C000024974   Columbia Thermostat Fund Class A CTFAX
Class/Contract C000024976   Columbia Thermostat Fund Class C CTFDX
Class/Contract C000024977   Columbia Thermostat Fund Institutional Class COTZX
Class/Contract C000122749   Columbia Thermostat Fund Advisor Class CTORX
Class/Contract C000122750   Columbia Thermostat Fund Institutional 2 Class CQTRX
Class/Contract C000122751   Columbia Thermostat Fund Institutional 3 Class CYYYX
  Status Name Ticker Symbol
CIK 0000002110      
Series S000033621   Columbia Acorn European Fund
Class/Contract C000103324   Columbia Acorn European Fund Class A CAEAX
Class/Contract C000103325   Columbia Acorn European Fund Class C CAECX
Class/Contract C000103327   Columbia Acorn European Fund Institutional Class CAEZX
Class/Contract C000122752   Columbia Acorn European Fund Institutional 2 Class CAEEX
Class/Contract C000144049   Columbia Acorn European Fund Advisor Class CLOFX
Class/Contract C000171393   Columbia Acorn European Fund Institutional 3 Class CAEYX
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 (Filer) CIK: 0000002110 (see all company filings)

IRS No.: 362692100 | State of Incorp.: MA | Fiscal Year End: 1231
Type: 485BPOS | Act: 40 | File No.: 811-01829 | Film No.: 23853971

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 (Filer) CIK: 0000002110 (see all company filings)

IRS No.: 362692100 | State of Incorp.: MA | Fiscal Year End: 1231
Type: 485BPOS | Act: 33 | File No.: 002-34223 | Film No.: 23853970