<SEC-DOCUMENT>0001062993-15-003923-index.html : 20150717
<SEC-HEADER>0001062993-15-003923.hdr.sgml : 20150717
<ACCEPTANCE-DATETIME>20150717161818
ACCESSION NUMBER:		0001062993-15-003923
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20150717
DATE AS OF CHANGE:		20150717
GROUP MEMBERS:		ALTAIRIS OFFSHORE LEVERED

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GSI GROUP INC
		CENTRAL INDEX KEY:			0001076930
		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS ELECTRICAL MACHINERY, EQUIPMENT & SUPPLIES [3690]
		IRS NUMBER:				980110412
		STATE OF INCORPORATION:			A3
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-60011
		FILM NUMBER:		15993976

	BUSINESS ADDRESS:	
		STREET 1:		125 MIDDLESEX TURNPIKE
		STREET 2:		.
		CITY:			BEDFORD
		STATE:			MA
		ZIP:			01730
		BUSINESS PHONE:		781-266-5618

	MAIL ADDRESS:	
		STREET 1:		125 MIDDLESEX TURNPIKE
		STREET 2:		.
		CITY:			BEDFORD
		STATE:			MA
		ZIP:			01730

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GSI LUMONICS INC
		DATE OF NAME CHANGE:	19990401

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GSI LUMONICS
		DATE OF NAME CHANGE:	19990331

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LUMONICS INC
		DATE OF NAME CHANGE:	19990115

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Polar Securities Inc.
		CENTRAL INDEX KEY:			0001326389
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			A6
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		401 BAY STREET
		STREET 2:		SUITE 1900, P.O. BOX 19
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M5H 2Y4
		BUSINESS PHONE:		416-367-4364

	MAIL ADDRESS:	
		STREET 1:		401 BAY STREET
		STREET 2:		SUITE 1900, P.O. BOX 19
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M5H 2Y4
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>sched13g.htm
<DESCRIPTION>SCHEDULE 13G
<TEXT>
Document 1 - file: sched13g.htm

</DOCUMENT>
</SEC-DOCUMENT>