<SEC-DOCUMENT>0001104659-25-123537-index.html : 20251222
<SEC-HEADER>0001104659-25-123537.hdr.sgml : 20251222
<ACCEPTANCE-DATETIME>20251222092032
ACCESSION NUMBER:		0001104659-25-123537
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		6
FILED AS OF DATE:		20251222
DATE AS OF CHANGE:		20251222

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:		251589669

	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>tm2534023d2_defa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: tm2534023d2_defa14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-2.1
<SEQUENCE>2
<FILENAME>tm2534023d2_ex2-1.htm
<DESCRIPTION>EXHIBIT 2.1
<TEXT>
Document 2 - file: tm2534023d2_ex2-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.1
<SEQUENCE>3
<FILENAME>tm2534023d2_ex10-1.htm
<DESCRIPTION>EXHIBIT 10.1
<TEXT>
Document 3 - file: tm2534023d2_ex10-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>4
<FILENAME>tm2534023d2_ex99-1.htm
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
Document 4 - file: tm2534023d2_ex99-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>tm2534023d1_8kimg001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: tm2534023d1_8kimg001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>tm2534023d1_ex2-1img001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: tm2534023d1_ex2-1img001.jpg

</DOCUMENT>
</SEC-DOCUMENT>