Form 485BPOS - Post-effective amendment [Rule 485(b)]:
SEC Accession No. 0001193125-26-281965
Filing Date
2026-06-25
Accepted
2026-06-25 09:15:07
Documents
172
Effectiveness Date
2026-07-01

Document Format Files

Seq Description Document Type Size
1 COLUMBIA FUNDS SERIES TRUST d90531d485bpos.htm   iXBRL 485BPOS 32110298
2 (J)(2) PWC CONSENT d90531dex99j2.htm EX-99.(J)(2) 3382
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  Complete submission text file 0001193125-26-281965.txt   78491790

Data Files

Seq Description Document Type Size
3 XBRL TAXONOMY EXTENSION SCHEMA cik0001097519-20260625.xsd EX-101.SCH 1797660
179 EXTRACTED XBRL INSTANCE DOCUMENT d90531d485bpos_htm.xml XML 1361468

Series and Classes/Contracts Information:

Existing
  Status Name Ticker Symbol
CIK 0001097519      
Series S000010789   Columbia Convertible Securities Fund
Class/Contract C000029837   Columbia Convertible Securities Fund Class A PACIX
Class/Contract C000029839   Columbia Convertible Securities Fund Class C PHIKX
Class/Contract C000029840   Columbia Convertible Securities Fund Institutional Class NCIAX
Class/Contract C000122575   Columbia Convertible Securities Fund Institutional 2 Class COCRX
Class/Contract C000149202   Columbia Convertible Securities Fund Institutional 3 Class CSFYX
Class/Contract C000253703   Columbia Convertible Securities Fund Class S NCIDX
  Status Name Ticker Symbol
CIK 0001097519      
Series S000010792   Columbia Select Mid Cap Value Fund
Class/Contract C000029850   Columbia Select Mid Cap Value Fund Class A CMUAX
Class/Contract C000029852   Columbia Select Mid Cap Value Fund Class C CMUCX
Class/Contract C000029853   Columbia Select Mid Cap Value Fund Class R CMVRX
Class/Contract C000029854   Columbia Select Mid Cap Value Fund Institutional Class NAMAX
Class/Contract C000079026   Columbia Select Mid Cap Value Fund Institutional 3 Class CMVYX
Class/Contract C000122577   Columbia Select Mid Cap Value Fund Institutional 2 Class CVERX
Class/Contract C000253704   Columbia Select Mid Cap Value Fund Class S NAMBX
  Status Name Ticker Symbol
CIK 0001097519      
Series S000010793   Columbia Small Cap Value and Inflection Fund
Class/Contract C000029855   Columbia Small Cap Value and Inflection Fund Class A COVAX
Class/Contract C000029858   Columbia Small Cap Value and Inflection Fund Class R CCTRX
Class/Contract C000029859   Columbia Small Cap Value and Inflection Fund Institutional Class NSVAX
Class/Contract C000122579   Columbia Small Cap Value and Inflection Fund Institutional 2 Class CRRRX
Class/Contract C000122580   Columbia Small Cap Value and Inflection Fund Institutional 3 Class CRRYX
Class/Contract C000253705   Columbia Small Cap Value and Inflection Fund Class S NSVBX
  Status Name Ticker Symbol
CIK 0001097519      
Series S000010795   Columbia Cornerstone Equity Fund
Class/Contract C000029865   Columbia Cornerstone Equity Fund Class A NSGAX
Class/Contract C000029867   Columbia Cornerstone Equity Fund Class C NSGCX
Class/Contract C000029868   Columbia Cornerstone Equity Fund Institutional Class NSEPX
Class/Contract C000122583   Columbia Cornerstone Equity Fund Institutional 2 Class CLCRX
Class/Contract C000173198   Columbia Cornerstone Equity Fund Institutional 3 Class CLEYX
Class/Contract C000193108   Columbia Cornerstone Equity Fund Class R
Class/Contract C000253706   Columbia Cornerstone Equity Fund Class S NSEAX
  Status Name Ticker Symbol
CIK 0001097519      
Series S000010797   Columbia Large Cap Growth Opportunity Fund
Class/Contract C000029874   Columbia Large Cap Growth Opportunity Fund Class A NFEAX
Class/Contract C000029877   Columbia Large Cap Growth Opportunity Fund Institutional Class NFEPX
Class/Contract C000136868   Columbia Large Cap Growth Opportunity Fund Institutional 2 Class CADRX
Class/Contract C000171353   Columbia Large Cap Growth Opportunity Fund Institutional 3 Class CLRYX
Class/Contract C000175686   Columbia Large Cap Growth Opportunity Fund Class R CLGPX
Class/Contract C000253707   Columbia Large Cap Growth Opportunity Fund Class S NFEDX
  Status Name Ticker Symbol
CIK 0001097519      
Series S000010818   Columbia Large Cap Enhanced Core Fund
Class/Contract C000030031   Columbia Large Cap Enhanced Core Fund Class A NMIAX
Class/Contract C000030032   Columbia Large Cap Enhanced Core Fund Class R CCERX
Class/Contract C000030033   Columbia Large Cap Enhanced Core Fund Institutional Class NMIMX
Class/Contract C000079027   Columbia Large Cap Enhanced Core Fund Institutional 3 Class CECYX
Class/Contract C000253708   Columbia Large Cap Enhanced Core Fund Class S NMIDX
  Status Name Ticker Symbol
CIK 0001097519      
Series S000010825   Columbia Large Cap Index Fund
Class/Contract C000030051   Columbia Large Cap Index Fund Class A NEIAX
Class/Contract C000030053   Columbia Large Cap Index Fund Institutional Class NINDX
Class/Contract C000122593   Columbia Large Cap Index Fund Institutional 2 Class CLXRX
Class/Contract C000173199   Columbia Large Cap Index Fund Institutional 3 Class CLPYX
  Status Name Ticker Symbol
CIK 0001097519      
Series S000010826   Columbia Mid Cap Index Fund
Class/Contract C000030054   Columbia Mid Cap Index Fund Class A NTIAX
Class/Contract C000030055   Columbia Mid Cap Index Fund Institutional Class NMPAX
Class/Contract C000122594   Columbia Mid Cap Index Fund Institutional 2 Class CPXRX
Class/Contract C000173200   Columbia Mid Cap Index Fund Institutional 3 Class CMDYX
  Status Name Ticker Symbol
CIK 0001097519      
Series S000010827   Columbia Small Cap Index Fund
Class/Contract C000030056   Columbia Small Cap Index Fund Class A NMSAX
Class/Contract C000030057   Columbia Small Cap Index Fund Institutional Class NMSCX
Class/Contract C000122595   Columbia Small Cap Index Fund Institutional 2 Class CXXRX
Class/Contract C000173201   Columbia Small Cap Index Fund Institutional 3 Class CSPYX
  Status Name Ticker Symbol
CIK 0001097519      
Series S000021046   Columbia Overseas Value Fund
Class/Contract C000059843   Columbia Overseas Value Fund Class A COAVX
Class/Contract C000059844   Columbia Overseas Value Fund Class C COCVX
Class/Contract C000059845   Columbia Overseas Value Fund Class R COVUX
Class/Contract C000059846   Columbia Overseas Value Fund Institutional Class COSZX
Class/Contract C000159975   Columbia Overseas Value Fund Institutional 2 Class COSSX
Class/Contract C000159976   Columbia Overseas Value Fund Institutional 3 Class COSYX
Class/Contract C000253709   Columbia Overseas Value Fund Class S COSBX
Mailing Address 290 CONGRESS STREET BOSTON MA 02210
Business Address 290 CONGRESS STREET BOSTON MA 02210 800-345-6611
COLUMBIA FUNDS SERIES TRUST (Filer) CIK: 0001097519 (see all company filings)

EIN.: 000000000 | State of Incorp.: DE | Fiscal Year End: 0331
Type: 485BPOS | Act: 40 | File No.: 811-09645 | Film No.: 261117898

Mailing Address 290 CONGRESS STREET BOSTON MA 02210
Business Address 290 CONGRESS STREET BOSTON MA 02210 800-345-6611
COLUMBIA FUNDS SERIES TRUST (Filer) CIK: 0001097519 (see all company filings)

EIN.: 000000000 | State of Incorp.: DE | Fiscal Year End: 0331
Type: 485BPOS | Act: 33 | File No.: 333-89661 | Film No.: 261117897