<SEC-DOCUMENT>0001193125-17-288269-index.html : 20170919
<SEC-HEADER>0001193125-17-288269.hdr.sgml : 20170919
<ACCEPTANCE-DATETIME>20170919152748
ACCESSION NUMBER:		0001193125-17-288269
CONFORMED SUBMISSION TYPE:	485BPOS
PUBLIC DOCUMENT COUNT:		34
FILED AS OF DATE:		20170919
DATE AS OF CHANGE:		20170919
EFFECTIVENESS DATE:		20170919

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COLUMBIA FUNDS SERIES TRUST
		CENTRAL INDEX KEY:			0001097519
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		485BPOS
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-89661
		FILM NUMBER:		171091938

	BUSINESS ADDRESS:	
		STREET 1:		225 FRANKLIN STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
		BUSINESS PHONE:		800-345-6611

	MAIL ADDRESS:	
		STREET 1:		225 FRANKLIN STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NATIONS FUNDS TRUST
		DATE OF NAME CHANGE:	19991022

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COLUMBIA FUNDS SERIES TRUST
		CENTRAL INDEX KEY:			0001097519
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		485BPOS
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-09645
		FILM NUMBER:		171091939

	BUSINESS ADDRESS:	
		STREET 1:		225 FRANKLIN STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
		BUSINESS PHONE:		800-345-6611

	MAIL ADDRESS:	
		STREET 1:		225 FRANKLIN STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NATIONS FUNDS TRUST
		DATE OF NAME CHANGE:	19991022
<SERIES-AND-CLASSES-CONTRACTS-DATA>
<EXISTING-SERIES-AND-CLASSES-CONTRACTS>
<SERIES>
<OWNER-CIK>0001097519
<SERIES-ID>S000010778
<SERIES-NAME>Columbia Short Term Municipal Bond Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029792
<CLASS-CONTRACT-NAME>Columbia Short Term Municipal Bond Fund Class A
<CLASS-CONTRACT-TICKER-SYMBOL>NSMMX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029794
<CLASS-CONTRACT-NAME>Columbia Short Term Municipal Bond Fund Class C
<CLASS-CONTRACT-TICKER-SYMBOL>NSMUX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029795
<CLASS-CONTRACT-NAME>Columbia Short Term Municipal Bond Fund Class Z
<CLASS-CONTRACT-TICKER-SYMBOL>NSMIX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122570
<CLASS-CONTRACT-NAME>Columbia Short Term Municipal Bond Fund Class R5
<CLASS-CONTRACT-TICKER-SYMBOL>CNNRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000126454
<CLASS-CONTRACT-NAME>Columbia Short Term Municipal Bond Fund Class R4
<CLASS-CONTRACT-TICKER-SYMBOL>CSMTX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000174632
<CLASS-CONTRACT-NAME>Columbia Short Term Municipal Bond Fund Class Y
<CLASS-CONTRACT-TICKER-SYMBOL>CSMYX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001097519
<SERIES-ID>S000010780
<SERIES-NAME>Columbia AMT-Free California Intermediate Muni Bond Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029800
<CLASS-CONTRACT-NAME>Columbia AMT-Free California Intermediate Muni Bond Fund Class A
<CLASS-CONTRACT-TICKER-SYMBOL>NACMX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029802
<CLASS-CONTRACT-NAME>Columbia AMT-Free California Intermediate Muni Bond Fund Class C
<CLASS-CONTRACT-TICKER-SYMBOL>CCICX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029803
<CLASS-CONTRACT-NAME>Columbia AMT-Free California Intermediate Muni Bond Fund Class Z
<CLASS-CONTRACT-TICKER-SYMBOL>NCMAX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122571
<CLASS-CONTRACT-NAME>Columbia AMT-Free California Intermediate Muni Bond Fund Class R5
<CLASS-CONTRACT-TICKER-SYMBOL>CNBRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000126455
<CLASS-CONTRACT-NAME>Columbia AMT-Free California Intermediate Muni Bond Fund Class R4
<CLASS-CONTRACT-TICKER-SYMBOL>CCMRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000174633
<CLASS-CONTRACT-NAME>Columbia AMT-Free California Intermediate Muni Bond Fund Class Y
<CLASS-CONTRACT-TICKER-SYMBOL>CCBYX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001097519
<SERIES-ID>S000010782
<SERIES-NAME>Columbia AMT-Free Georgia Intermediate Muni Bond Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029808
<CLASS-CONTRACT-NAME>Columbia AMT-Free Georgia Intermediate Muni Bond Fund Class A
<CLASS-CONTRACT-TICKER-SYMBOL>NGIMX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029810
<CLASS-CONTRACT-NAME>Columbia AMT-Free Georgia Intermediate Muni Bond Fund Class C
<CLASS-CONTRACT-TICKER-SYMBOL>NGINX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029811
<CLASS-CONTRACT-NAME>Columbia AMT-Free Georgia Intermediate Muni Bond Fund Class Z
<CLASS-CONTRACT-TICKER-SYMBOL>NGAMX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000126456
<CLASS-CONTRACT-NAME>Columbia AMT-Free Georgia Intermediate Muni Bond Fund Class R4
<CLASS-CONTRACT-TICKER-SYMBOL>CGIMX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000174634
<CLASS-CONTRACT-NAME>Columbia AMT-Free Georgia Intermediate Muni Bond Fund Class Y
<CLASS-CONTRACT-TICKER-SYMBOL>CGIYX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001097519
<SERIES-ID>S000010783
<SERIES-NAME>Columbia AMT-Free Maryland Intermediate Muni Bond Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029812
<CLASS-CONTRACT-NAME>Columbia AMT-Free Maryland Intermediate Muni Bond Fund Class A
<CLASS-CONTRACT-TICKER-SYMBOL>NMDMX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029814
<CLASS-CONTRACT-NAME>Columbia AMT-Free Maryland Intermediate Muni Bond Fund Class C
<CLASS-CONTRACT-TICKER-SYMBOL>NMINX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029815
<CLASS-CONTRACT-NAME>Columbia AMT-Free Maryland Intermediate Muni Bond Fund Class Z
<CLASS-CONTRACT-TICKER-SYMBOL>NMDBX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000126457
<CLASS-CONTRACT-NAME>Columbia AMT-Free Maryland Intermediate Muni Bond Fund Class R4
<CLASS-CONTRACT-TICKER-SYMBOL>CMDMX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000174635
<CLASS-CONTRACT-NAME>Columbia AMT-Free Maryland Intermediate Muni Bond Fund Class Y
<CLASS-CONTRACT-TICKER-SYMBOL>CMYYX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001097519
<SERIES-ID>S000010784
<SERIES-NAME>Columbia AMT-Free North Carolina Intermediate Muni Bond Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029816
<CLASS-CONTRACT-NAME>Columbia AMT-Free North Carolina Intermediate Muni Bond Fund Class A
<CLASS-CONTRACT-TICKER-SYMBOL>NNCIX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029818
<CLASS-CONTRACT-NAME>Columbia AMT-Free North Carolina Intermediate Muni Bond Fund Class C
<CLASS-CONTRACT-TICKER-SYMBOL>NNINX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029819
<CLASS-CONTRACT-NAME>Columbia AMT-Free North Carolina Intermediate Muni Bond Fund Class Z
<CLASS-CONTRACT-TICKER-SYMBOL>NNIBX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000126458
<CLASS-CONTRACT-NAME>Columbia AMT-Free North Carolina Intermediate Muni Bond Fund Class R4
<CLASS-CONTRACT-TICKER-SYMBOL>CNCEX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000174636
<CLASS-CONTRACT-NAME>Columbia AMT-Free North Carolina Intermediate Muni Bond Fund Class Y
<CLASS-CONTRACT-TICKER-SYMBOL>CNCYX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001097519
<SERIES-ID>S000010786
<SERIES-NAME>Columbia AMT-Free South Carolina Intermediate Muni Bond Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029825
<CLASS-CONTRACT-NAME>Columbia AMT-Free South Carolina Intermediate Muni Bond Fund Class A
<CLASS-CONTRACT-TICKER-SYMBOL>NSCIX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029827
<CLASS-CONTRACT-NAME>Columbia AMT-Free South Carolina Intermediate Muni Bond Fund Class C
<CLASS-CONTRACT-TICKER-SYMBOL>NSICX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029828
<CLASS-CONTRACT-NAME>Columbia AMT-Free South Carolina Intermediate Muni Bond Fund Class Z
<CLASS-CONTRACT-TICKER-SYMBOL>NSCMX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000126459
<CLASS-CONTRACT-NAME>Columbia AMT-Free South Carolina Intermediate Muni Bond Fund Class R4
<CLASS-CONTRACT-TICKER-SYMBOL>CSICX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000174637
<CLASS-CONTRACT-NAME>Columbia AMT-Free South Carolina Intermediate Muni Bond Fund Class Y
<CLASS-CONTRACT-TICKER-SYMBOL>CSOYX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001097519
<SERIES-ID>S000010788
<SERIES-NAME>Columbia AMT-Free Virginia Intermediate Muni Bond Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029833
<CLASS-CONTRACT-NAME>Columbia AMT-Free Virginia Intermediate Muni Bond Fund Class A
<CLASS-CONTRACT-TICKER-SYMBOL>NVAFX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029835
<CLASS-CONTRACT-NAME>Columbia AMT-Free Virginia Intermediate Muni Bond Fund Class C
<CLASS-CONTRACT-TICKER-SYMBOL>NVRCX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029836
<CLASS-CONTRACT-NAME>Columbia AMT-Free Virginia Intermediate Muni Bond Fund Class Z
<CLASS-CONTRACT-TICKER-SYMBOL>NVABX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000126460
<CLASS-CONTRACT-NAME>Columbia AMT-Free Virginia Intermediate Muni Bond Fund Class R4
<CLASS-CONTRACT-TICKER-SYMBOL>CAIVX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000174638
<CLASS-CONTRACT-NAME>Columbia AMT-Free Virginia Intermediate Muni Bond Fund Class Y
<CLASS-CONTRACT-TICKER-SYMBOL>CVAYX
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>485BPOS
<SEQUENCE>1
<FILENAME>d406329d485bpos.htm
<DESCRIPTION>COLUMBIA FUNDS SERIES TRUST
<TEXT>
Document 1 - file: d406329d485bpos.htm
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</DOCUMENT> <DOCUMENT> <TYPE>EX-101.CAL <SEQUENCE>4 <FILENAME>cfst-20170825_cal.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION CALCULATION LINKBASE <TEXT> Document 4 - file: cfst-20170825_cal.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.DEF <SEQUENCE>5 <FILENAME>cfst-20170825_def.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE <TEXT> Document 5 - file: cfst-20170825_def.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.LAB <SEQUENCE>6 <FILENAME>cfst-20170825_lab.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE <TEXT> Document 6 - file: cfst-20170825_lab.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.PRE <SEQUENCE>7 <FILENAME>cfst-20170825_pre.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE <TEXT> Document 7 - file: cfst-20170825_pre.xml
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>9 <FILENAME>R1.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 9 - file: R1.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>BarChart1.png <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 10 - file: BarChart1.png
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</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>12 <FILENAME>R9.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 12 - file: R9.htm
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</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>21 <FILENAME>R33.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 21 - file: R33.htm
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</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>24 <FILENAME>R41.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 24 - file: R41.htm
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</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>32 <FILENAME>Show.js <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 32 - file: Show.js
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>33 <FILENAME>report.css <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 33 - file: report.css
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>35 <FILENAME>FilingSummary.xml <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 35 - file: FilingSummary.html
Document 35 - RAW XML: FilingSummary.xml
</DOCUMENT> <DOCUMENT> <TYPE>ZIP <SEQUENCE>37 <FILENAME>0001193125-17-288269-xbrl.zip <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 37 - file: 0001193125-17-288269-xbrl.zip
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