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Note 1 - Description of the Business | 12 Months Ended
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Dec. 31, 2024
Notes to Financial Statements |
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] | N ote 1 — D escription of the B usiness As used herein, “JHG,” “we,” “us,” “our” and similar terms refer to Janus Henderson Group plc and its subsidiaries, unless indicated otherwise. JHG is an independent global asset manager, specializing in active investment across all major asset classes. We actively manage a broad range of investment products for institutional and retail investors across four capabilities: Equities, Fixed Income, Multi-Asset and Alternatives. JHG is a public limited company incorporated in Jersey, Channel Islands, and is tax-resident and domiciled in the UK. Our common stock is traded on the NYSE.

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