Washington, D.C. 20549FORM 13F FORM 13F COVER PAGE Report for the Calendar Year or Quarter Ended:Check here if Amendment 03-31-2026 XAmendment Number:Xis a restatement.adds new holdings entries. Institutional Investment Manager Filing this Report: JANUS HENDERSON GROUP PLC201 BISHOPSGATELONDON,X0EC2M 3AE Name: Form 13F File Number:CRD Number (if applicable):SEC File Number (if applicable): The institutional investment manager filing this report and the person by whom it is signed hereby represent that theperson signing the report is authorized to submit it, that all information contained herein is true, correct andcomplete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered Person Signing this Report on Behalf of Reporting Manager:Name:Title:Phone: Kristin MarianiHead of North America Compliance303-333-3863 Signature, Place, and Date of Signing: Denver,CO[City, State] /s/ Kristin Mariani 05-18-2026[Date] Report Type (Check only one.): X13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.)13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reportingmanager(s).) 13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report Report Summary: Number of Other IncludedManagers:Form 13F Information Table EntryTotal:Form 13F Information Table ValueTotal:209,438,171, List of Other Included Managers: Provide a numbered list of the name(s) and Form 13F filenumber(s) of all institutional investment managers with