<SEC-DOCUMENT>0001104659-25-124906-index.html : 20251229
<SEC-HEADER>0001104659-25-124906.hdr.sgml : 20251229
<ACCEPTANCE-DATETIME>20251229170452
ACCESSION NUMBER:		0001104659-25-124906
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20251229
DATE AS OF CHANGE:		20251229

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			JANUS HENDERSON GROUP PLC
		CENTRAL INDEX KEY:			0001274173
		STANDARD INDUSTRIAL CLASSIFICATION:	INVESTMENT ADVICE [6282]
		ORGANIZATION NAME:           	02 Finance
		EIN:				000000000
		STATE OF INCORPORATION:			Y9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38103
		FILM NUMBER:		251609982

	BUSINESS ADDRESS:	
		STREET 1:		201 BISHOPSGATE
		CITY:			LONDON
		STATE:			X0
		ZIP:			EC2M 3AE
		BUSINESS PHONE:		442078181818

	MAIL ADDRESS:	
		STREET 1:		201 BISHOPSGATE
		CITY:			LONDON
		STATE:			X0
		ZIP:			EC2M 3AE

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HENDERSON GROUP PLC
		DATE OF NAME CHANGE:	20050511

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HHG PLC
		DATE OF NAME CHANGE:	20031223
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>tm2534023d6_defa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: tm2534023d6_defa14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>tm2534023d6_defa14aimg01.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: tm2534023d6_defa14aimg01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>tm2534023d6_defa14aimg02.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: tm2534023d6_defa14aimg02.jpg

</DOCUMENT>
</SEC-DOCUMENT>