 LONDON--BUSINESS WIRE--Janus Henderson Group plc NYSEASX: JHG has today made available to shareholders its 2020 Annual Report for the year ended 31 December 2020, together with the 2021 Notice of Annual General Meeting. These documents are available to view on the Companys website at About Janus Henderson Janus Henderson Group is a leading global active asset manager dedicated to helping investors achieve long-term financial goals through a broad range of i 