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Filing Detail
Form 485BPOS - Post-effective amendment [Rule 485(b)]:
SEC Accession No. 0001193125-10-095158
Filing Date
2010-04-28
Accepted
2010-04-27 18:47:54
Documents
218
Effectiveness Date
2010-04-30

Document Format Files

Seq Description Document Type Size
1 COLUMBIA ACORN TRUST d485bpos.htm 485BPOS 7445370
2 FORM OF ADMINISTRATION AGREEMENT dex99d3.htm EX-99.(D)(3) 99769
3 FORM OF INTERIM INVESTMENT ADVISORY AGREEMENT dex99d5.htm EX-99.(D)(5) 54422
4 FORM OF DISTRIBUTION AGREEMENT dex99e3.htm EX-99.(E)(3) 52074
5 FORM OF TRANSFER, DIVIDEND DISBURSING & SHAREHOLDER'S SERVICING AGENT AGREEMENT dex99h4.htm EX-99.(H)(4) 92194
6 FORM OF COMPLIANCE AGREEMENT dex99h6.htm EX-99.(H)(6) 22120
7 FEE WAIVER AGREEMENT dex99h7.htm EX-99.(H)(7) 7453
8 OPINION OF K&L GATES LLP dex99i.htm EX-99.(I) 6553
9 CONSENT OF PRICEWATERHOUSECOOPERS LLP dex99j.htm EX-99.(J) 1777
13 GRAPHIC g13580arrow.jpg GRAPHIC 778
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15 GRAPHIC g13580calculator.jpg GRAPHIC 766
16 GRAPHIC g13580columbia_logo.jpg GRAPHIC 1398
17 GRAPHIC g13580current.jpg GRAPHIC 738
18 GRAPHIC g13580exclamation.jpg GRAPHIC 829
19 GRAPHIC g13580horse.jpg GRAPHIC 755
20 GRAPHIC g13580smallhand.jpg GRAPHIC 660
21 GRAPHIC g13580tx1a.jpg GRAPHIC 5977
22 GRAPHIC g13580tx1b.jpg GRAPHIC 2376
23 GRAPHIC g13580tx7.jpg GRAPHIC 6048
24 GRAPHIC g22631acorn_logo.jpg GRAPHIC 5977
25 GRAPHIC g22631bighand.jpg GRAPHIC 767
26 GRAPHIC g22631calculator.jpg GRAPHIC 766
27 GRAPHIC g22631dart.jpg GRAPHIC 778
28 GRAPHIC g22631exclamation.jpg GRAPHIC 829
29 GRAPHIC g22631graph.jpg GRAPHIC 738
30 GRAPHIC g22631horse.jpg GRAPHIC 755
31 GRAPHIC g22631smallhand.jpg GRAPHIC 660
32 GRAPHIC g22631tx001.jpg GRAPHIC 2376
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38 GRAPHIC g27489columbia_logo.jpg GRAPHIC 1398
39 GRAPHIC g27489current.jpg GRAPHIC 738
40 GRAPHIC g27489exclamation.jpg GRAPHIC 829
41 GRAPHIC g27489horse.jpg GRAPHIC 755
42 GRAPHIC g27489smallhand.jpg GRAPHIC 660
43 GRAPHIC g27489tx1a.jpg GRAPHIC 5977
44 GRAPHIC g27489tx1b.jpg GRAPHIC 2376
45 GRAPHIC g27489tx7.jpg GRAPHIC 5740
46 GRAPHIC g36255arrow.jpg GRAPHIC 778
47 GRAPHIC g36255bighand.jpg GRAPHIC 767
48 GRAPHIC g36255calculator.jpg GRAPHIC 766
49 GRAPHIC g36255columbia_logo.jpg GRAPHIC 1398
50 GRAPHIC g36255current.jpg GRAPHIC 738
51 GRAPHIC g36255exclamation.jpg GRAPHIC 829
52 GRAPHIC g36255horse.jpg GRAPHIC 755
53 GRAPHIC g36255smallhand.jpg GRAPHIC 660
54 GRAPHIC g36255tx1a.jpg GRAPHIC 5977
55 GRAPHIC g36255tx1b.jpg GRAPHIC 2376
56 GRAPHIC g36255tx7.jpg GRAPHIC 6142
57 GRAPHIC g38981arrow.jpg GRAPHIC 778
58 GRAPHIC g38981bighand.jpg GRAPHIC 767
59 GRAPHIC g38981calculator.jpg GRAPHIC 766
60 GRAPHIC g38981columbia_logo.jpg GRAPHIC 1398
61 GRAPHIC g38981current.jpg GRAPHIC 738
62 GRAPHIC g38981exclamation.jpg GRAPHIC 829
63 GRAPHIC g38981horse.jpg GRAPHIC 755
64 GRAPHIC g38981smallhand.jpg GRAPHIC 660
65 GRAPHIC g38981tx1a.jpg GRAPHIC 5977
66 GRAPHIC g38981tx1b.jpg GRAPHIC 2376
67 GRAPHIC g38981tx6.jpg GRAPHIC 5742
68 GRAPHIC g39983arrow.jpg GRAPHIC 778
69 GRAPHIC g39983bighand.jpg GRAPHIC 767
70 GRAPHIC g39983calc.jpg GRAPHIC 766
71 GRAPHIC g39983columbia.jpg GRAPHIC 1398
72 GRAPHIC g39983current.jpg GRAPHIC 738
73 GRAPHIC g39983exclamation.jpg GRAPHIC 829
74 GRAPHIC g39983graphics.jpg GRAPHIC 6023
75 GRAPHIC g39983horse.jpg GRAPHIC 755
76 GRAPHIC g39983smallhand.jpg GRAPHIC 660
77 GRAPHIC g39983tx_pg001a.jpg GRAPHIC 5977
78 GRAPHIC g39983tx_pg001b.jpg GRAPHIC 2376
79 GRAPHIC g41051bighand.jpg GRAPHIC 767
80 GRAPHIC g41051calc.jpg GRAPHIC 766
81 GRAPHIC g41051columbialogo.jpg GRAPHIC 1398
82 GRAPHIC g41051dart.jpg GRAPHIC 778
83 GRAPHIC g41051exclamation.jpg GRAPHIC 829
84 GRAPHIC g41051horse.jpg GRAPHIC 755
85 GRAPHIC g41051linegraph.jpg GRAPHIC 738
86 GRAPHIC g41051smallhand.jpg GRAPHIC 660
87 GRAPHIC g41051tx_pg1a.jpg GRAPHIC 5977
88 GRAPHIC g41051tx_pg1b.jpg GRAPHIC 2376
89 GRAPHIC g41051tx_pg7.jpg GRAPHIC 5764
90 GRAPHIC g43921arrow.jpg GRAPHIC 778
91 GRAPHIC g43921bighand.jpg GRAPHIC 767
92 GRAPHIC g43921calculator.jpg GRAPHIC 766
93 GRAPHIC g43921columbia_logo.jpg GRAPHIC 1398
94 GRAPHIC g43921current.jpg GRAPHIC 738
95 GRAPHIC g43921exclamation.jpg GRAPHIC 829
96 GRAPHIC g43921horse.jpg GRAPHIC 755
97 GRAPHIC g43921smallhand.jpg GRAPHIC 660
98 GRAPHIC g43921tx1a.jpg GRAPHIC 5977
99 GRAPHIC g43921tx1b.jpg GRAPHIC 2376
100 GRAPHIC g43921tx7.jpg GRAPHIC 5704
101 GRAPHIC g44518arrow.jpg GRAPHIC 778
102 GRAPHIC g44518bighand.jpg GRAPHIC 767
103 GRAPHIC g44518calculator.jpg GRAPHIC 766
104 GRAPHIC g44518columbia_logo.jpg GRAPHIC 1398
105 GRAPHIC g44518current.jpg GRAPHIC 738
106 GRAPHIC g44518exclamation.jpg GRAPHIC 829
107 GRAPHIC g44518horse.jpg GRAPHIC 755
108 GRAPHIC g44518smallhand.jpg GRAPHIC 660
109 GRAPHIC g44518tx1a.jpg GRAPHIC 5977
110 GRAPHIC g44518tx1b.jpg GRAPHIC 2376
111 GRAPHIC g44518tx7.jpg GRAPHIC 5540
112 GRAPHIC g45288arrow.jpg GRAPHIC 778
113 GRAPHIC g45288bargraph.jpg GRAPHIC 4696
114 GRAPHIC g45288calculator.jpg GRAPHIC 766
115 GRAPHIC g45288exclamation.jpg GRAPHIC 829
116 GRAPHIC g45288hand.jpg GRAPHIC 767
117 GRAPHIC g45288horse.jpg GRAPHIC 755
118 GRAPHIC g45288linegraph.jpg GRAPHIC 738
119 GRAPHIC g45288smallhand.jpg GRAPHIC 660
120 GRAPHIC g45288tx001-43.jpg GRAPHIC 1398
121 GRAPHIC g45288tx001.jpg GRAPHIC 1398
122 GRAPHIC g45288tx002a.jpg GRAPHIC 5977
123 GRAPHIC g45288txpg1b.jpg GRAPHIC 2376
124 GRAPHIC g47852g13n21.jpg GRAPHIC 2385
125 GRAPHIC g49318tx001.jpg GRAPHIC 1398
126 GRAPHIC g49318tx002.jpg GRAPHIC 5977
127 GRAPHIC g49318tx003.jpg GRAPHIC 2376
128 GRAPHIC g49318tx004.jpg GRAPHIC 778
129 GRAPHIC g49318tx005.jpg GRAPHIC 766
130 GRAPHIC g49318tx006.jpg GRAPHIC 755
131 GRAPHIC g49318tx007.jpg GRAPHIC 829
132 GRAPHIC g49318tx008.jpg GRAPHIC 738
133 GRAPHIC g49318tx009.jpg GRAPHIC 767
134 GRAPHIC g49318tx010.jpg GRAPHIC 660
135 GRAPHIC g49318tx011.jpg GRAPHIC 4247
136 GRAPHIC g57920arrow.jpg GRAPHIC 778
137 GRAPHIC g57920bighand.jpg GRAPHIC 767
138 GRAPHIC g57920calculator.jpg GRAPHIC 766
139 GRAPHIC g57920columbia_logo.jpg GRAPHIC 1398
140 GRAPHIC g57920current.jpg GRAPHIC 738
141 GRAPHIC g57920exclamation.jpg GRAPHIC 829
142 GRAPHIC g57920horse.jpg GRAPHIC 755
143 GRAPHIC g57920smallhand.jpg GRAPHIC 660
144 GRAPHIC g57920tx1a.jpg GRAPHIC 5977
145 GRAPHIC g57920tx1b.jpg GRAPHIC 2376
146 GRAPHIC g57920tx7.jpg GRAPHIC 5972
147 GRAPHIC g65484bighand.jpg GRAPHIC 767
148 GRAPHIC g65484calc.jpg GRAPHIC 766
149 GRAPHIC g65484columbialogo.jpg GRAPHIC 1398
150 GRAPHIC g65484dart.jpg GRAPHIC 778
151 GRAPHIC g65484exclamation.jpg GRAPHIC 829
152 GRAPHIC g65484horse.jpg GRAPHIC 755
153 GRAPHIC g65484linegraph.jpg GRAPHIC 738
154 GRAPHIC g65484smallhand.jpg GRAPHIC 660
155 GRAPHIC g65484tx-pg1b.jpg GRAPHIC 2376
156 GRAPHIC g65484tx_pg1a.jpg GRAPHIC 5977
157 GRAPHIC g65484tx_pg7.jpg GRAPHIC 5985
158 GRAPHIC g65636bighand.jpg GRAPHIC 767
159 GRAPHIC g65636calc.jpg GRAPHIC 766
160 GRAPHIC g65636columbialogo.jpg GRAPHIC 1398
161 GRAPHIC g65636dart.jpg GRAPHIC 778
162 GRAPHIC g65636exclamation.jpg GRAPHIC 829
163 GRAPHIC g65636horse.jpg GRAPHIC 755
164 GRAPHIC g65636linegraph.jpg GRAPHIC 738
165 GRAPHIC g65636smallhand.jpg GRAPHIC 660
166 GRAPHIC g65636tx_pg1.jpg GRAPHIC 5977
167 GRAPHIC g65636tx_pg2.jpg GRAPHIC 2376
168 GRAPHIC g65636tx_pg7.jpg GRAPHIC 5565
169 GRAPHIC g66796bighand.jpg GRAPHIC 767
170 GRAPHIC g66796calc.jpg GRAPHIC 766
171 GRAPHIC g66796columbia.jpg GRAPHIC 1398
172 GRAPHIC g66796dart.jpg GRAPHIC 778
173 GRAPHIC g66796exclamation.jpg GRAPHIC 829
174 GRAPHIC g66796horse.jpg GRAPHIC 755
175 GRAPHIC g66796linegraph.jpg GRAPHIC 738
176 GRAPHIC g66796smallhand.jpg GRAPHIC 660
177 GRAPHIC g66796tx_pg1a.jpg GRAPHIC 5977
178 GRAPHIC g66796tx_pg1b.jpg GRAPHIC 2376
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199 GRAPHIC g93021tx003.jpg GRAPHIC 2376
200 GRAPHIC g93021tx004.jpg GRAPHIC 778
201 GRAPHIC g93021tx005.jpg GRAPHIC 766
202 GRAPHIC g93021tx006.jpg GRAPHIC 755
203 GRAPHIC g93021tx007.jpg GRAPHIC 829
204 GRAPHIC g93021tx008.jpg GRAPHIC 738
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206 GRAPHIC g93021tx010.jpg GRAPHIC 660
207 GRAPHIC g93021tx011.jpg GRAPHIC 4311
208 GRAPHIC g98235img001.jpg GRAPHIC 1398
209 GRAPHIC g98235img002.jpg GRAPHIC 5977
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211 GRAPHIC g98235img004.jpg GRAPHIC 778
212 GRAPHIC g98235img005.jpg GRAPHIC 766
213 GRAPHIC g98235img006.jpg GRAPHIC 755
214 GRAPHIC g98235img007.jpg GRAPHIC 829
215 GRAPHIC g98235img008.jpg GRAPHIC 738
216 GRAPHIC g98235img009.jpg GRAPHIC 767
217 GRAPHIC g98235img010.jpg GRAPHIC 5869
218 GRAPHIC g98235img011a.jpg GRAPHIC 660
219 filename219.htm CORRESP 24919
220 filename220.htm CORRESP 4399
221 filename221.htm CORRESP 5967
  Complete submission text file 0001193125-10-095158.txt   8433100

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 C000024955   Columbia Acorn Fund Class B LACBX
Class/Contract C000024956   Columbia Acorn Fund Class C LIACX
Class/Contract C000024957   Columbia Acorn Fund Class Z ACRNX
  Status Name Ticker Symbol
CIK 0000002110      
Series S000009185   Columbia Acorn International
Class/Contract C000024958   Columbia Acorn International Class A LAIAX
Class/Contract C000024959   Columbia Acorn International Class B LIABX
Class/Contract C000024960   Columbia Acorn International Class C LAICX
Class/Contract C000024961   Columbia Acorn International Class Z ACINX
  Status Name Ticker Symbol
CIK 0000002110      
Series S000009186   Columbia Acorn USA
Class/Contract C000024962   Columbia Acorn USA Class A LAUAX
Class/Contract C000024963   Columbia Acorn USA Class B LAUBX
Class/Contract C000024964   Columbia Acorn USA Class C LAUCX
Class/Contract C000024965   Columbia Acorn USA Class Z AUSAX
  Status Name Ticker Symbol
CIK 0000002110      
Series S000009187   Columbia Acorn Select
Class/Contract C000024966   Columbia Acorn Select Class A LTFAX
Class/Contract C000024967   Columbia Acorn Select Class B LTFBX
Class/Contract C000024968   Columbia Acorn Select Class C LTFCX
Class/Contract C000024969   Columbia Acorn Select Class Z ACTWX
  Status Name Ticker Symbol
CIK 0000002110      
Series S000009188   Columbia Acorn International Select
Class/Contract C000024970   Columbia Acorn International Select Class A LAFAX
Class/Contract C000024971   Columbia Acorn International Select Class B LFFBX
Class/Contract C000024972   Columbia Acorn International Select Class C LFFCX
Class/Contract C000024973   Columbia Acorn International Select Class Z ACFFX
  Status Name Ticker Symbol
CIK 0000002110      
Series S000009189   Columbia Thermostat Fund
Class/Contract C000024974   Columbia Thermostat Fund Class A CTFAX
Class/Contract C000024975   Columbia Thermostat Fund Class B CTFBX
Class/Contract C000024976   Columbia Thermostat Fund Class C CTFDX
Class/Contract C000024977   Columbia Thermostat Fund Class Z COTZX
Mailing Address 227 W MONROE STE 3000 CHICAGO IL 60606
Business Address 227 W MONROE STE 3000 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.: 10774747

Mailing Address 227 W MONROE STE 3000 CHICAGO IL 60606
Business Address 227 W MONROE STE 3000 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.: 10774748