<SEC-DOCUMENT>0001193125-18-351633-index.html : 20181218
<SEC-HEADER>0001193125-18-351633.hdr.sgml : 20181218
<ACCEPTANCE-DATETIME>20181218101919
ACCESSION NUMBER:		0001193125-18-351633
CONFORMED SUBMISSION TYPE:	485BPOS
PUBLIC DOCUMENT COUNT:		31
FILED AS OF DATE:		20181218
DATE AS OF CHANGE:		20181218
EFFECTIVENESS DATE:		20181218

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COLUMBIA FUNDS SERIES TRUST I
		CENTRAL INDEX KEY:			0000773757
		IRS NUMBER:				363376651
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		485BPOS
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	002-99356
		FILM NUMBER:		181239594

	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:	COLUMBIA FUNDS TRUST IX
		DATE OF NAME CHANGE:	20031107

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LIBERTY STEIN ROE FUNDS MUNICIPAL TRUST
		DATE OF NAME CHANGE:	19991025

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	STEINROE MUNICIPAL TRUST
		DATE OF NAME CHANGE:	19920703

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COLUMBIA FUNDS SERIES TRUST I
		CENTRAL INDEX KEY:			0000773757
		IRS NUMBER:				363376651
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		485BPOS
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-04367
		FILM NUMBER:		181239593

	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:	COLUMBIA FUNDS TRUST IX
		DATE OF NAME CHANGE:	20031107

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LIBERTY STEIN ROE FUNDS MUNICIPAL TRUST
		DATE OF NAME CHANGE:	19991025

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	STEINROE MUNICIPAL TRUST
		DATE OF NAME CHANGE:	19920703
<SERIES-AND-CLASSES-CONTRACTS-DATA>
<EXISTING-SERIES-AND-CLASSES-CONTRACTS>
<SERIES>
<OWNER-CIK>0000773757
<SERIES-ID>S000010620
<SERIES-NAME>Columbia Tax-Exempt Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029373
<CLASS-CONTRACT-NAME>Columbia Tax-Exempt Fund Class A
<CLASS-CONTRACT-TICKER-SYMBOL>COLTX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029375
<CLASS-CONTRACT-NAME>Columbia Tax-Exempt Fund Class C
<CLASS-CONTRACT-TICKER-SYMBOL>COLCX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000029376
<CLASS-CONTRACT-NAME>Columbia Tax-Exempt Fund Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>CTEZX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000126464
<CLASS-CONTRACT-NAME>Columbia Tax-Exempt Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CTERX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000136874
<CLASS-CONTRACT-NAME>Columbia Tax-Exempt Fund Institutional 2 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CADMX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000177149
<CLASS-CONTRACT-NAME>Columbia Tax-Exempt Fund Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CTEYX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000773757
<SERIES-ID>S000012071
<SERIES-NAME>Columbia AMT-Free Oregon Intermediate Muni Bond Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000032858
<CLASS-CONTRACT-NAME>Columbia AMT-Free Oregon Intermediate Muni Bond Fund Class A
<CLASS-CONTRACT-TICKER-SYMBOL>COEAX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000032860
<CLASS-CONTRACT-NAME>Columbia AMT-Free Oregon Intermediate Muni Bond Class C
<CLASS-CONTRACT-TICKER-SYMBOL>CORCX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000032862
<CLASS-CONTRACT-NAME>Columbia AMT-Free Oregon Intermediate Muni Bond Fund Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>CMBFX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122662
<CLASS-CONTRACT-NAME>Columbia AMT-Free Oregon Intermediate Muni Bond Fund Institutional 2 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CODRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000126468
<CLASS-CONTRACT-NAME>Columbia AMT-Free Oregon Intermediate Muni Bond Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CORMX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000177150
<CLASS-CONTRACT-NAME>Columbia AMT-Free Oregon Intermediate Muni Bond Fund Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CORYX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000773757
<SERIES-ID>S000012081
<SERIES-NAME>Columbia Large Cap Growth Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000032910
<CLASS-CONTRACT-NAME>Columbia Large Cap Growth Fund Class A
<CLASS-CONTRACT-TICKER-SYMBOL>LEGAX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000032912
<CLASS-CONTRACT-NAME>Columbia Large Cap Growth Fund Class C
<CLASS-CONTRACT-TICKER-SYMBOL>LEGCX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000032914
<CLASS-CONTRACT-NAME>Columbia Large Cap Growth Fund Class V
<CLASS-CONTRACT-TICKER-SYMBOL>GAEGX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000032915
<CLASS-CONTRACT-NAME>Columbia Large Cap Growth Fund Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>GEGTX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000034322
<CLASS-CONTRACT-NAME>Columbia Large Cap Growth Fund Class E
<CLASS-CONTRACT-TICKER-SYMBOL>CLGEX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000078989
<CLASS-CONTRACT-NAME>Columbia Large Cap Growth Fund Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CGFYX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000094688
<CLASS-CONTRACT-NAME>Columbia Large Cap Growth Fund Class R
<CLASS-CONTRACT-TICKER-SYMBOL>CGWRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000094690
<CLASS-CONTRACT-NAME>Columbia Large Cap Growth Fund Institutional 2 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CLWFX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000094691
<CLASS-CONTRACT-NAME>Columbia Large Cap Growth Fund Class T
<CLASS-CONTRACT-TICKER-SYMBOL>CLGWX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122672
<CLASS-CONTRACT-NAME>Columbia Large Cap Growth Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CCGRX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000773757
<SERIES-ID>S000027194
<SERIES-NAME>Columbia Ultra Short Term Bond Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000082083
<CLASS-CONTRACT-NAME>Columbia Ultra Short Term Bond Fund Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CMGUX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000206531
<CLASS-CONTRACT-NAME>Columbia Ultra Short Term Bond Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CUSHX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000206532
<CLASS-CONTRACT-NAME>Columbia Ultra Short Term Bond Fund Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>CUSBX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000773757
<SERIES-ID>S000048610
<SERIES-NAME>Columbia U.S. Social Bond Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000153243
<CLASS-CONTRACT-NAME>Columbia U.S. Social Bond Fund Class A
<CLASS-CONTRACT-TICKER-SYMBOL>CONAX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000153244
<CLASS-CONTRACT-NAME>Columbia U.S. Social Bond Fund Class C
<CLASS-CONTRACT-TICKER-SYMBOL>CONCX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000153245
<CLASS-CONTRACT-NAME>Columbia U.S. Social Bond Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CONFX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000153246
<CLASS-CONTRACT-NAME>Columbia U.S. Social Bond Fund Institutional 2 Class
<CLASS-CONTRACT-TICKER-SYMBOL>COVNX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000153247
<CLASS-CONTRACT-NAME>Columbia U.S. Social Bond Fund Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>CONZX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000177151
<CLASS-CONTRACT-NAME>Columbia U.S. Social Bond Fund Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CONYX
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>485BPOS
<SEQUENCE>1
<FILENAME>d644837d485bpos.htm
<DESCRIPTION>COLUMBIA FUNDS SERIES TRUST I
<TEXT>
Document 1 - file: d644837d485bpos.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.INS <SEQUENCE>2 <FILENAME>cfsti-20181127.xml <DESCRIPTION>XBRL INSTANCE DOCUMENT <TEXT> Document 2 - file: cfsti-20181127.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.SCH <SEQUENCE>3 <FILENAME>cfsti-20181127.xsd <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA <TEXT> Document 3 - file: cfsti-20181127.xsd
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.CAL <SEQUENCE>4 <FILENAME>cfsti-20181127_cal.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION CALCULATION LINKBASE <TEXT> Document 4 - file: cfsti-20181127_cal.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.DEF <SEQUENCE>5 <FILENAME>cfsti-20181127_def.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE <TEXT> Document 5 - file: cfsti-20181127_def.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.LAB <SEQUENCE>6 <FILENAME>cfsti-20181127_lab.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE <TEXT> Document 6 - file: cfsti-20181127_lab.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.PRE <SEQUENCE>7 <FILENAME>cfsti-20181127_pre.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE <TEXT> Document 7 - file: cfsti-20181127_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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