<SEC-DOCUMENT>0001193125-15-048076-index.html : 20150213
<SEC-HEADER>0001193125-15-048076.hdr.sgml : 20150213
<ACCEPTANCE-DATETIME>20150213061859
ACCESSION NUMBER:		0001193125-15-048076
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20150213
DATE AS OF CHANGE:		20150213
GROUP MEMBERS:		ARNOLD L. ORONSKY
GROUP MEMBERS:		GILBERT H. KLIMAN
GROUP MEMBERS:		HARVEY B. CASH
GROUP MEMBERS:		INTERWEST INVESTORS Q VIII, LP
GROUP MEMBERS:		INTERWEST INVESTORS VIII, LP
GROUP MEMBERS:		INTERWEST MANAGEMENT PARTNERS VIII, LLC
GROUP MEMBERS:		PHILIP T. GIANOS
GROUP MEMBERS:		W. STEPHEN HOLMES III

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MACROGENICS INC
		CENTRAL INDEX KEY:			0001125345
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-87928
		FILM NUMBER:		15608898

	BUSINESS ADDRESS:	
		STREET 1:		9640 MEDICAL CENTER DRIVE
		CITY:			Rockville
		STATE:			MD
		ZIP:			20850
		BUSINESS PHONE:		301-251-5172

	MAIL ADDRESS:	
		STREET 1:		9640 MEDICAL CENTER DRIVE
		CITY:			ROCKVILLE
		STATE:			MD
		ZIP:			20850

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			INTERWEST PARTNERS VIII LP
		CENTRAL INDEX KEY:			0001123907
		IRS NUMBER:				943369436
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		2710 SAND HILL ROAD
		STREET 2:		2ND FLOOR
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025
		BUSINESS PHONE:		650-854-8585

	MAIL ADDRESS:	
		STREET 1:		2710 SAND HILL ROAD
		STREET 2:		2ND FLOOR
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>d873057dsc13ga.htm
<DESCRIPTION>SC 13G/A
<TEXT>
Document 1 - file: d873057dsc13ga.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.A
<SEQUENCE>2
<FILENAME>d873057dex99a.htm
<DESCRIPTION>EX-99.A
<TEXT>
Document 2 - file: d873057dex99a.htm

</DOCUMENT>
</SEC-DOCUMENT>