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JANUS HENDERSON GROUP PLC — All Filings

1,000 total filings on record

Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.

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
PRER14A PRER14A 0001104659-26-020924 Feb 27, 2026
DEFA14A DEFA14A 0001104659-26-020810 Feb 27, 2026
425 425 0001104659-26-020114 Feb 26, 2026
425 425 0001104659-26-020103 Feb 26, 2026
10-K FORM 10-K 0001437749-26-005628 Feb 25, 2026 Dec 31, 2025
4 FORM 4 0001437749-26-004699 Feb 19, 2026 Feb 18, 2026
144 0001959173-26-001130 Feb 18, 2026
SCHEDULE 13G 0001274173-26-000078 Feb 17, 2026
13F-HR 0001085146-26-000226 Feb 17, 2026 Dec 31, 2025
144 0001959173-26-001088 Feb 17, 2026
4 FORM 4 0001437749-26-004430 Feb 17, 2026
SCHEDULE 13G/A 0001274173-26-000062 Feb 17, 2026
SCHEDULE 13G/A 0001274173-26-000063 Feb 17, 2026
SCHEDULE 13G/A 0001274173-26-000064 Feb 17, 2026
SCHEDULE 13G/A 0001274173-26-000066 Feb 17, 2026
SCHEDULE 13G/A 0001274173-26-000094 Feb 17, 2026
SCHEDULE 13G/A 0001274173-26-000087 Feb 17, 2026
SCHEDULE 13G 0001274173-26-000077 Feb 17, 2026
SCHEDULE 13G 0001274173-26-000079 Feb 17, 2026
SCHEDULE 13G/A 0001274173-26-000081 Feb 17, 2026
SCHEDULE 13G/A 0001274173-26-000088 Feb 17, 2026
SCHEDULE 13G/A 0001274173-26-000086 Feb 17, 2026
SCHEDULE 13G 0001274173-26-000080 Feb 17, 2026
SCHEDULE 13G/A 0001274173-26-000084 Feb 17, 2026
SCHEDULE 13G/A 0001274173-26-000089 Feb 17, 2026
SCHEDULE 13G 0001274173-26-000074 Feb 17, 2026
SCHEDULE 13G/A 0001274173-26-000065 Feb 17, 2026
SCHEDULE 13G 0001274173-26-000069 Feb 17, 2026
SCHEDULE 13G/A 0001274173-26-000083 Feb 17, 2026
SCHEDULE 13G/A 0001274173-26-000068 Feb 17, 2026
SCHEDULE 13G/A 0001274173-26-000085 Feb 17, 2026
SCHEDULE 13G/A 0001274173-26-000092 Feb 17, 2026
4 FORM 4 0001437749-26-003928 Feb 12, 2026 Feb 11, 2026
SCHEDULE 13G/A 0001274173-26-000045 Feb 6, 2026
SCHEDULE 13G/A 0001274173-26-000047 Feb 6, 2026
SCHEDULE 13G 0001274173-26-000046 Feb 6, 2026
4 FORM 4 0001437749-26-003031 Feb 4, 2026 Feb 2, 2026
4 FORM 4 0001437749-26-003033 Feb 4, 2026 Feb 3, 2026
8-K FORM 8-K 0001437749-26-002469 Jan 30, 2026
PREM14A PREM14A 0001104659-26-008727 Jan 30, 2026
SC 13E3 SC 13E3 0001104659-26-008735 Jan 30, 2026
SCHEDULE 13G 0001274173-26-000026 Jan 8, 2026
SCHEDULE 13G/A 0001274173-26-000027 Jan 8, 2026
3 FORM 3 0001140361-25-047051 Dec 31, 2025 Dec 21, 2025
DEFA14A DEFA14A 0001104659-25-124906 Dec 29, 2025
SCHEDULE 13D 0001140361-25-046593 Dec 23, 2025
DEFA14A DEFA14A 0001104659-25-123823 Dec 22, 2025
DEFA14A DEFA14A 0001104659-25-123825 Dec 22, 2025
8-K FORM 8-K 0001104659-25-123536 Dec 22, 2025 Dec 21, 2025
DEFA14A DEFA14A 0001104659-25-123537 Dec 22, 2025