<SEC-DOCUMENT>0001193125-19-001211-index.html : 20190103
<SEC-HEADER>0001193125-19-001211.hdr.sgml : 20190103
<ACCEPTANCE-DATETIME>20190103095845
ACCESSION NUMBER:		0001193125-19-001211
CONFORMED SUBMISSION TYPE:	N-CSRS
PUBLIC DOCUMENT COUNT:		31
CONFORMED PERIOD OF REPORT:	20181031
FILED AS OF DATE:		20190103
DATE AS OF CHANGE:		20190103
EFFECTIVENESS DATE:		20190103

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:		N-CSRS
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-09645
		FILM NUMBER:		19503832

	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 Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>NSMIX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122570
<CLASS-CONTRACT-NAME>Columbia Short Term Municipal Bond Fund Institutional 2 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CNNRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000126454
<CLASS-CONTRACT-NAME>Columbia Short Term Municipal Bond Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CSMTX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000174632
<CLASS-CONTRACT-NAME>Columbia Short Term Municipal Bond Fund Institutional 3 Class
<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 Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>NCMAX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122571
<CLASS-CONTRACT-NAME>Columbia AMT-Free California Intermediate Muni Bond Fund Institutional 2 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CNBRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000126455
<CLASS-CONTRACT-NAME>Columbia AMT-Free California Intermediate Muni Bond Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CCMRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000174633
<CLASS-CONTRACT-NAME>Columbia AMT-Free California Intermediate Muni Bond Fund Institutional 3 Class
<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 Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>NGAMX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000126456
<CLASS-CONTRACT-NAME>Columbia AMT-Free Georgia Intermediate Muni Bond Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CGIMX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000174634
<CLASS-CONTRACT-NAME>Columbia AMT-Free Georgia Intermediate Muni Bond Fund Institutional 3 Class
<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 Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>NMDBX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000126457
<CLASS-CONTRACT-NAME>Columbia AMT-Free Maryland Intermediate Muni Bond Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CMDMX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000174635
<CLASS-CONTRACT-NAME>Columbia AMT-Free Maryland Intermediate Muni Bond Fund Institutional 3 Class
<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 Institutional Class
<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 Advisor Class
<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 Institutional 3 Class
<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 Institutional Class
<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 Advisor Class
<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 Institutional 3 Class
<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 Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>NVABX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000126460
<CLASS-CONTRACT-NAME>Columbia AMT-Free Virginia Intermediate Muni Bond Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CAIVX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000174638
<CLASS-CONTRACT-NAME>Columbia AMT-Free Virginia Intermediate Muni Bond Fund Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CVAYX
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>N-CSRS
<SEQUENCE>1
<FILENAME>d668765dncsrs.htm
<DESCRIPTION>COLUMBIA FUNDS SERIES TRUST
<TEXT>
Document 1 - file: d668765dncsrs.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.CERT
<SEQUENCE>2
<FILENAME>d668765dex99cert.htm
<DESCRIPTION>SECTION 302 CERTIFICATION
<TEXT>
Document 2 - file: d668765dex99cert.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.906CERT
<SEQUENCE>3
<FILENAME>d668765dex99906cert.htm
<DESCRIPTION>SECTION 906 CERTIFICATION
<TEXT>
Document 3 - file: d668765dex99906cert.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g668765img0149fddf4.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g668765img0149fddf4.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g668765img05848b0c3.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g668765img05848b0c3.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g668765img1164a9303.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g668765img1164a9303.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g668765img1943651d4.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g668765img1943651d4.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>g668765img1d23cee51.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: g668765img1d23cee51.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>g668765img26e560dc2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: g668765img26e560dc2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>g668765img2ccb5d084.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: g668765img2ccb5d084.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>g668765img2ce436f23.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: g668765img2ce436f23.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>g668765img34f9ac7d3.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: g668765img34f9ac7d3.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>g668765img35d7fb842.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: g668765img35d7fb842.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>g668765img3de44d511.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: g668765img3de44d511.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>g668765img483065444.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 15 - file: g668765img483065444.jpg

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<SEQUENCE>16
<FILENAME>g668765img4a496b372.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: g668765img4a496b372.jpg

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<SEQUENCE>17
<FILENAME>g668765img5735eac92.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 17 - file: g668765img5735eac92.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>g668765img6e3d583a1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 18 - file: g668765img6e3d583a1.jpg

</DOCUMENT>
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<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>g668765img761b24db4.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 19 - file: g668765img761b24db4.jpg

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<TYPE>GRAPHIC
<SEQUENCE>20
<FILENAME>g668765img8534dcd04.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 20 - file: g668765img8534dcd04.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>21
<FILENAME>g668765imgb00442843.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 21 - file: g668765imgb00442843.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>22
<FILENAME>g668765imgb5d5c9382.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 22 - file: g668765imgb5d5c9382.jpg

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<DOCUMENT>
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<SEQUENCE>23
<FILENAME>g668765imgc385c4cc1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 23 - file: g668765imgc385c4cc1.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>24
<FILENAME>g668765imgc69ddf652.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 24 - file: g668765imgc69ddf652.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>25
<FILENAME>g668765imgd683a19f3.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 25 - file: g668765imgd683a19f3.jpg

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<DOCUMENT>
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<SEQUENCE>26
<FILENAME>g668765imgd84134941.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 26 - file: g668765imgd84134941.jpg

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<SEQUENCE>27
<FILENAME>g668765imgd9f9f5564.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 27 - file: g668765imgd9f9f5564.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>28
<FILENAME>g668765imgda681ebb3.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 28 - file: g668765imgda681ebb3.jpg

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<SEQUENCE>29
<FILENAME>g668765imgdd9ed9691.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 29 - file: g668765imgdd9ed9691.jpg

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<SEQUENCE>30
<FILENAME>g668765imge70dd7bc2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 30 - file: g668765imge70dd7bc2.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>31
<FILENAME>g668765imgfdc6fcbb1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 31 - file: g668765imgfdc6fcbb1.jpg

</DOCUMENT>
</SEC-DOCUMENT>