<SEC-DOCUMENT>0001037389-17-000119-index.html : 20170214
<SEC-HEADER>0001037389-17-000119.hdr.sgml : 20170214
<ACCEPTANCE-DATETIME>20170214102400
ACCESSION NUMBER:		0001037389-17-000119
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20170214
DATE AS OF CHANGE:		20170214

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MGC DIAGNOSTICS Corp
		CENTRAL INDEX KEY:			0000815093
		STANDARD INDUSTRIAL CLASSIFICATION:	SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
		IRS NUMBER:				411579150
		STATE OF INCORPORATION:			MN
		FISCAL YEAR END:			1031

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-40187
		FILM NUMBER:		17603693

	BUSINESS ADDRESS:	
		STREET 1:		350 OAK GROVE PARKWAY
		CITY:			ST PAUL
		STATE:			MN
		ZIP:			55127
		BUSINESS PHONE:		651-484-4874

	MAIL ADDRESS:	
		STREET 1:		350 OAK GROVE PARKWAY
		CITY:			ST PAUL
		STATE:			MN
		ZIP:			55127

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ANGEION CORP/MN
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	VERDE VENTURES INC
		DATE OF NAME CHANGE:	19880714

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RENAISSANCE TECHNOLOGIES LLC
		CENTRAL INDEX KEY:			0001037389
		IRS NUMBER:				260385758
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		800 THIRD AVE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		2124866780

	MAIL ADDRESS:	
		STREET 1:		800 THIRD AVE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RENAISSANCE TECHNOLOGIES CORP
		DATE OF NAME CHANGE:	19990324
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>mgcd-13g_20161231.txt
<DESCRIPTION>13G/A
<TEXT>
Document 1 - file: mgcd-13g_20161231.txt

</DOCUMENT>
</SEC-DOCUMENT>