COLUMBIA ACORN TRUST registered fund series on Form 485APOS, filed 2010-02-26. Featured series: Columbia Acorn Fund.
| Series | Class | Ticker | New |
|---|---|---|---|
| Columbia Acorn Fund | Columbia Acorn Fund Class A | LACAX | — |
| Columbia Acorn Fund | Columbia Acorn Fund Class B | LACBX | — |
| Columbia Acorn Fund | Columbia Acorn Fund Class C | LIACX | — |
| Columbia Acorn Fund | Columbia Acorn Fund Class Z | ACRNX | — |
| Columbia Acorn International | Columbia Acorn International Class A | LAIAX | — |
| Columbia Acorn International | Columbia Acorn International Class B | LIABX | — |
| Columbia Acorn International | Columbia Acorn International Class C | LAICX | — |
| Columbia Acorn International | Columbia Acorn International Class Z | ACINX | — |
| Columbia Acorn USA | Columbia Acorn USA Class A | LAUAX | — |
| Columbia Acorn USA | Columbia Acorn USA Class B | LAUBX | — |
| Columbia Acorn USA | Columbia Acorn USA Class C | LAUCX | — |
| Columbia Acorn USA | Columbia Acorn USA Class Z | AUSAX | — |
| Columbia Acorn Select | Columbia Acorn Select Class A | LTFAX | — |
| Columbia Acorn Select | Columbia Acorn Select Class B | LTFBX | — |
| Columbia Acorn Select | Columbia Acorn Select Class C | LTFCX | — |
| Columbia Acorn Select | Columbia Acorn Select Class Z | ACTWX | — |
| Columbia Acorn International Select | Columbia Acorn International Select Class A | LAFAX | — |
| Columbia Acorn International Select | Columbia Acorn International Select Class B | LFFBX | — |
| Columbia Acorn International Select | Columbia Acorn International Select Class C | LFFCX | — |
| Columbia Acorn International Select | Columbia Acorn International Select Class Z | ACFFX | — |
| Columbia Thermostat Fund | Columbia Thermostat Fund Class A | CTFAX | — |
| Columbia Thermostat Fund | Columbia Thermostat Fund Class B | CTFBX | — |
| Columbia Thermostat Fund | Columbia Thermostat Fund Class C | CTFDX | — |
| Columbia Thermostat Fund | Columbia Thermostat Fund Class Z | COTZX | — |
Columbia Acorn Fund (the Fund) seeks long-term capital appreciation.