<SEC-DOCUMENT>0001683863-21-003835-index.html : 20210528
<SEC-HEADER>0001683863-21-003835.hdr.sgml : 20210528
<ACCEPTANCE-DATETIME>20210528130442
ACCESSION NUMBER:		0001683863-21-003835
CONFORMED SUBMISSION TYPE:	N-CSR
PUBLIC DOCUMENT COUNT:		15
CONFORMED PERIOD OF REPORT:	20210331
FILED AS OF DATE:		20210528
DATE AS OF CHANGE:		20210528
EFFECTIVENESS DATE:		20210528

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-CSR
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-09645
		FILM NUMBER:		21978791

	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>S000010777
<SERIES-NAME>Columbia Short Term Bond Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029788
<CLASS-CONTRACT-NAME>Columbia Short Term Bond Fund Class A
<CLASS-CONTRACT-TICKER-SYMBOL>NSTRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029790
<CLASS-CONTRACT-NAME>Columbia Short Term Bond Fund Class C
<CLASS-CONTRACT-TICKER-SYMBOL>NSTIX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029791
<CLASS-CONTRACT-NAME>Columbia Short Term Bond Fund Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>NSTMX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000079024
<CLASS-CONTRACT-NAME>Columbia Short Term Bond Fund Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CSBYX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000094638
<CLASS-CONTRACT-NAME>Columbia Short Term Bond Fund Class R
<CLASS-CONTRACT-TICKER-SYMBOL>CSBRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122568
<CLASS-CONTRACT-NAME>Columbia Short Term Bond Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CMDRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122569
<CLASS-CONTRACT-NAME>Columbia Short Term Bond Fund Institutional 2 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CCBRX
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>N-CSR
<SEQUENCE>1
<FILENAME>f9152d1.htm
<DESCRIPTION>COLUMBIA FUNDS SERIES TRUST
<TEXT>
Document 1 - file: f9152d1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.CODE ETH
<SEQUENCE>2
<FILENAME>f9152d2.htm
<DESCRIPTION>CODE OF ETHICS
<TEXT>
Document 2 - file: f9152d2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.CERT
<SEQUENCE>3
<FILENAME>f9152d3.htm
<DESCRIPTION>SECTION 302 CERTIFICATION
<TEXT>
Document 3 - file: f9152d3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.906 CERT
<SEQUENCE>4
<FILENAME>f9152d4.htm
<DESCRIPTION>SECTION 906 CERTIFICATION
<TEXT>
Document 4 - file: f9152d4.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>img204fed4b1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: img204fed4b1.jpg

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<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>img262ccd9b3.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: img262ccd9b3.jpg

</DOCUMENT>
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<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>img4b711fa62.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: img4b711fa62.jpg

</DOCUMENT>
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<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>g19huef7ivtqnxl79sxaa.jpg
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<TEXT>
Document 8 - file: g19huef7ivtqnxl79sxaa.jpg

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<FILENAME>g4m9o7faggdvvpspy2dmd.jpg
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<TEXT>
Document 9 - file: g4m9o7faggdvvpspy2dmd.jpg

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<SEQUENCE>10
<FILENAME>g5r2hyux5v86ebxokmanp.jpg
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<TEXT>
Document 10 - file: g5r2hyux5v86ebxokmanp.jpg

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<FILENAME>g8j70su2vtq6wrgiz3n7l.jpg
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<TEXT>
Document 11 - file: g8j70su2vtq6wrgiz3n7l.jpg

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<FILENAME>gg4876piscaz9rm7uhi15.jpg
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<TEXT>
Document 12 - file: gg4876piscaz9rm7uhi15.jpg

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<SEQUENCE>13
<FILENAME>glt9z2suf8vro5wi0jua8.jpg
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<TEXT>
Document 13 - file: glt9z2suf8vro5wi0jua8.jpg

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<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>gmk0z0iy58875dxgeztmz.jpg
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<TEXT>
Document 14 - file: gmk0z0iy58875dxgeztmz.jpg

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<SEQUENCE>15
<FILENAME>gszy357i2eeb1wydzjxdq.jpg
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<TEXT>
Document 15 - file: gszy357i2eeb1wydzjxdq.jpg

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