<SEC-DOCUMENT>0000919574-17-001620-index.html : 20170214
<SEC-HEADER>0000919574-17-001620.hdr.sgml : 20170214
<ACCEPTANCE-DATETIME>20170213185439
ACCESSION NUMBER:		0000919574-17-001620
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20170214
DATE AS OF CHANGE:		20170213

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GSE SYSTEMS INC
		CENTRAL INDEX KEY:			0000944480
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				521868008
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-45371
		FILM NUMBER:		17601549

	BUSINESS ADDRESS:	
		STREET 1:		1332 LONDONTOWN BLVD
		CITY:			SYKESVILLE
		STATE:			MD
		ZIP:			21784
		BUSINESS PHONE:		4109707874

	MAIL ADDRESS:	
		STREET 1:		1332 LONDONTOWN BLVD
		CITY:			SYKESVILLE
		STATE:			MD
		ZIP:			21784

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NEEDHAM INVESTMENT MANAGEMENT LLC
		CENTRAL INDEX KEY:			0001167212
		IRS NUMBER:				223408336
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		445 PARK AVENUE, 3RD FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		212-705-0404

	MAIL ADDRESS:	
		STREET 1:		445 PARK AVENUE, 3RD FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>d7408150_13-g.htm
<TEXT>
Document 1 - file: d7408150_13-g.htm

</DOCUMENT>
</SEC-DOCUMENT>