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JANUS HENDERSON GROUP PLC — SCHEDULE 13D/A Filings

4 SCHEDULE 13D/A filings on record

This page lists all SCHEDULE 13D/A filings submitted to the SEC by JANUS HENDERSON GROUP PLC (JHG), sorted by most recent first. Each row links to the full filing on EdgarLookup. JANUS HENDERSON GROUP PLC has filed 4 SCHEDULE 13D/A documents with the SEC since 2021. To view all SEC filings by JANUS HENDERSON GROUP PLC, see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-Q 11-K 12G3-2B 13F-HR 13F-HR/A 144 3 3/A 4 4/A 424B3 424B5 425 8-A12B 8-K ARS CERTNYS CORRESP D DEF 14A DEFA14A DEFM14A DFAN14A DRS DRS/A DRSLTR EFFECT F-4 FWP N-PX POS AM PRE 14A PREM14A PRER14A S-3ASR S-4 S-4/A S-8 SC 13D SC 13D/A SC 13E3 SC 13E3/A SC 13G SC 13G/A SCHEDULE 13D SCHEDULE 13D/A SCHEDULE 13G SCHEDULE 13G/A SUPPL UPLOAD
Form Description Accession Number Filed Period
SCHEDULE 13D/A 0000930413-26-000860 Mar 24, 2026
SCHEDULE 13D/A 0000930413-25-003750 Dec 22, 2025
SCHEDULE 13D/A 0001193125-25-250770 Oct 27, 2025
SCHEDULE 13D/A 0000950170-25-062917 May 2, 2025