Historical shareholding details of Acadian Asset Management LLC holdings in Janus Henderson Group plc (JHG)

Monthly changes of Acadian Asset Management LLC shareholding in Janus Henderson Group plc over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Feb 28, 2025	Acadian Asset Management Llc	0	0.00%

Jan 31, 2025	Acadian Asset Management Llc	0	0.00%

Dec 31, 2024	Acadian Asset Management Llc	158,191	0.10%
Dec 31, 2024	Acadian Asset Management Llc	0	0.00%

Nov 30, 2024	Acadian Asset Management Llc	0	0.00%

Oct 31, 2024	Acadian Asset Management Llc	0	0.00%

Sep 30, 2024	Acadian Asset Management Llc	166,293	0.10%
Sep 30, 2024	Acadian Asset Management Llc	0	0.00%

Aug 31, 2024	Acadian Asset Management Llc	6,971	0.00%

Jul 31, 2024	Acadian Asset Management Llc	6,971	0.00%

Jun 30, 2024	Acadian Asset Management Llc	243,430	0.15%
Jun 30, 2024	Acadian Asset Management Llc	6,971	0.00%

Mar 31, 2024	Acadian Asset Management Llc	1,493	0.00%

Dec 31, 2023	Acadian Asset Management Llc	12,256	0.01%

Sep 30, 2023	Acadian Asset Management Llc	0	0.00%

Jun 30, 2023	Acadian Asset Management Llc	65,330	0.04%