<SEC-DOCUMENT>0001111928-16-000248-index.html : 20160707
<SEC-HEADER>0001111928-16-000248.hdr.sgml : 20160707
<ACCEPTANCE-DATETIME>20160707162258
ACCESSION NUMBER:		0001111928-16-000248
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20160706
FILED AS OF DATE:		20160707
DATE AS OF CHANGE:		20160707

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			IPG PHOTONICS CORP
		CENTRAL INDEX KEY:			0001111928
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				043444218
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		50 OLD WEBSTER ROAD
		CITY:			OXFORD
		STATE:			MA
		ZIP:			01540
		BUSINESS PHONE:		5083731100

	MAIL ADDRESS:	
		STREET 1:		50 OLD WEBSTER ROAD
		CITY:			OXFORD
		STATE:			MA
		ZIP:			01540

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Lego Catherine P
		CENTRAL INDEX KEY:			0001291570

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33155
		FILM NUMBER:		161756824

	MAIL ADDRESS:	
		STREET 1:		3787 WOODSIDE ROAD
		CITY:			WOODSIDE
		STATE:			CA
		ZIP:			94062
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>wf-form3_146792296436425.xml
<DESCRIPTION>FORM 3
<TEXT>
Document 1 - file: wf-form3_146792296436425.html

Document 1 - RAW XML: wf-form3_146792296436425.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>catherinelego-powerofattor.htm
<DESCRIPTION>CATHERINE LEGO - POWER OF ATTORNEY
<TEXT>
Document 2 - file: catherinelego-powerofattor.htm

</DOCUMENT>
</SEC-DOCUMENT>