<SEC-DOCUMENT>0001193125-15-250007-index.html : 20150710
<SEC-HEADER>0001193125-15-250007.hdr.sgml : 20150710
<ACCEPTANCE-DATETIME>20150710124259
ACCESSION NUMBER:		0001193125-15-250007
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20150710
DATE AS OF CHANGE:		20150710
GROUP MEMBERS:		COLUMBIA MANAGEMENT INVESTMENT ADVISERS, LLC
GROUP MEMBERS:		COLUMBIA SELIGMAN COMMUNICATIONS & INFORMATION FUND

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MATTSON TECHNOLOGY INC
		CENTRAL INDEX KEY:			0000928421
		STANDARD INDUSTRIAL CLASSIFICATION:	SPECIAL INDUSTRY MACHINERY, NEC [3559]
		IRS NUMBER:				770208119
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-46189
		FILM NUMBER:		15983111

	BUSINESS ADDRESS:	
		STREET 1:		47131 BAYSIDE PARKWAY
		CITY:			FREMONT
		STATE:			CA
		ZIP:			94538
		BUSINESS PHONE:		510 657 5900

	MAIL ADDRESS:	
		STREET 1:		47131 BAYSIDE PARKWAY
		CITY:			FREMONT
		STATE:			CA
		ZIP:			94538

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AMERIPRISE FINANCIAL INC
		CENTRAL INDEX KEY:			0000820027
		STANDARD INDUSTRIAL CLASSIFICATION:	INVESTMENT ADVICE [6282]
		IRS NUMBER:				133180631
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		1099 AMERIPRISE FINANCIAL CENTER
		CITY:			MINNEAPOLIS
		STATE:			MN
		ZIP:			55474
		BUSINESS PHONE:		612-671-3131

	MAIL ADDRESS:	
		STREET 1:		1099 AMERIPRISE FINANCIAL CENTER
		CITY:			MINNEAPOLIS
		STATE:			MN
		ZIP:			55474

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AMERICAN EXPRESS FINANCIAL CORP
		DATE OF NAME CHANGE:	20030513

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AMERICAN EXPRESS FINANCIAL ADVISORS
		DATE OF NAME CHANGE:	19950711

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	IDS FINANCIAL CORP/MN/
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>d30304dsc13ga.htm
<DESCRIPTION>SC 13G/A
<TEXT>
Document 1 - file: d30304dsc13ga.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>d30304dex991.htm
<DESCRIPTION>EX-99.1
<TEXT>
Document 2 - file: d30304dex991.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.2
<SEQUENCE>3
<FILENAME>d30304dex992.htm
<DESCRIPTION>EX-99.2
<TEXT>
Document 3 - file: d30304dex992.htm

</DOCUMENT>
</SEC-DOCUMENT>