<SEC-DOCUMENT>0001106191-17-000009-index.html : 20170214
<SEC-HEADER>0001106191-17-000009.hdr.sgml : 20170214
<ACCEPTANCE-DATETIME>20170214125243
ACCESSION NUMBER:		0001106191-17-000009
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20170214
DATE AS OF CHANGE:		20170214
GROUP MEMBERS:		BAY II RESOURCE PARTNERS, L.P.
GROUP MEMBERS:		BAY RESOURCE PARTNERS OFFSHORE MASTER FUND, L.P.
GROUP MEMBERS:		BAY RESOURCE PARTNERS, L.P.
GROUP MEMBERS:		GMT CAPITAL CORP.
GROUP MEMBERS:		THOMAS E. CLAUGUS

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ENTEGRIS INC
		CENTRAL INDEX KEY:			0001101302
		STANDARD INDUSTRIAL CLASSIFICATION:	PLASTICS PRODUCTS, NEC [3089]
		IRS NUMBER:				411941551
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-60261
		FILM NUMBER:		17606061

	BUSINESS ADDRESS:	
		STREET 1:		129 CONCORD ROAD
		CITY:			BILLERICA
		STATE:			MA
		ZIP:			01821
		BUSINESS PHONE:		9784366500

	MAIL ADDRESS:	
		STREET 1:		129 CONCORD ROAD
		CITY:			BILLERICA
		STATE:			MA
		ZIP:			01821

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GMT CAPITAL CORP
		CENTRAL INDEX KEY:			0001106191
		IRS NUMBER:				582021147

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		GMT CAPITAL CORP
		STREET 2:		2300 WINDY RIDGE PARKWAY SUITE 550 SOUTH
		CITY:			ATLANTA
		STATE:			GA
		ZIP:			30339
		BUSINESS PHONE:		7709898250

	MAIL ADDRESS:	
		STREET 1:		GMT CAPITAL CORP
		STREET 2:		2300 WINDY RIDGE PARKWAY SUITE 550 SOUTH
		CITY:			ATLANTA
		STATE:			GA
		ZIP:			30339
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>Entegris_Inc_13G_12_31_2016.txt
<DESCRIPTION>EOY 2016
<TEXT>
Document 1 - file: Entegris_Inc_13G_12_31_2016.txt

</DOCUMENT>
</SEC-DOCUMENT>