<SEC-DOCUMENT>0001623632-19-001688-index.html : 20191210
<SEC-HEADER>0001623632-19-001688.hdr.sgml : 20191210
<ACCEPTANCE-DATETIME>20191210092221
ACCESSION NUMBER:		0001623632-19-001688
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20191210
DATE AS OF CHANGE:		20191210

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ARGENX SE
		CENTRAL INDEX KEY:			0001697862
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			P7
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-90630
		FILM NUMBER:		191276626

	BUSINESS ADDRESS:	
		STREET 1:		INDUSTRIEPARK ZQIJNAARDE 7
		STREET 2:		BUILDING C B-9052
		CITY:			ZWIJNAARDE
		STATE:			C9
		ZIP:			B-9052
		BUSINESS PHONE:		32 (9) 310 34 00

	MAIL ADDRESS:	
		STREET 1:		INDUSTRIEPARK ZQIJNAARDE 7
		STREET 2:		BUILDING C B-9052
		CITY:			ZWIJNAARDE
		STATE:			C9
		ZIP:			B-9052

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	argenx N.V
		DATE OF NAME CHANGE:	20170210

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FEDERATED INVESTORS INC /PA/
		CENTRAL INDEX KEY:			0001056288
		STANDARD INDUSTRIAL CLASSIFICATION:	INVESTMENT ADVICE [6282]
		IRS NUMBER:				251111467
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		FEDERATED INVESTORS TOWER
		STREET 2:		1001 LIBERTY AVENUE
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15222
		BUSINESS PHONE:		4122881900

	MAIL ADDRESS:	
		STREET 1:		FEDERATED INVESTORS TOWER
		STREET 2:		1001 LIBERTY AVENUE
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15222
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>argenxform.htm
<TEXT>
Document 1 - file: argenxform.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>image_001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: image_001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>image_002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: image_002.jpg

</DOCUMENT>
</SEC-DOCUMENT>