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Janus Henderson Group (JHG) 10K Form and Latest SEC Filings 2026

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Latest Janus Henderson Group SEC Filings & Recent Activity

Janus Henderson Group (NYSE:JHG) has submitted 1,103+ documents to the U.S. Securities and Exchange Commission (SEC) since 2017. For investors, these filings are the primary source of verified financial data — covering everything from annual revenue and debt levels in the 10-K, to material business events in 8-K current reports, to insider buying and selling activity in Form 4 disclosures. Key figures from these filings, including revenue, earnings, and cash flow, are summarized in Janus Henderson Group's financial statements. The most recent filing was a Form 13F-HR/A submitted on May 18, 2026.

Form 4
JANUS HENDERSON GROUP PLC Reports Ownership Change on May. 14, 2026

Form 4 filings disclose changes in stock ownership by company insiders, including purchases, sales, grants, and option exercises.

View insider ownership

8-K
Janus Henderson Group Files Current Report on May. 8, 2026

An 8-K is filed when a material corporate event occurs, such as an acquisition, leadership change, or financial update.

View filing

10-Q
Janus Henderson Group Files Quarterly Report on May. 8, 2026

The 10-Q contains Janus Henderson Group's unaudited quarterly financial statements, revenue, earnings updates, and cash flow changes between annual reports.

View earnings history

Janus Henderson Group SEC Filing History

Browse Janus Henderson Group's complete SEC filing history using the filters below. Filter by form type - 10-K, 10-Q, 8-K, Form 4, and more - or set a custom date range to find a filing.

DateFilerForm TypeView
05/18/2026 1:07 PM
Janus Henderson Group (1274173) Filer
Form 13F-HR/A
05/15/2026 11:37 AM
Biohaven Ltd. (1935979) Subject
Janus Henderson Group (1274173) Filed by
Form SCHEDULE 13G/A
05/15/2026 11:37 AM
IDEAYA Biosciences, Inc. (1676725) Subject
Janus Henderson Group (1274173) Filed by
Form SCHEDULE 13G/A
05/15/2026 11:37 AM
Janus Henderson Group (1274173) Filed by
MADRIGAL PHARMACEUTICALS, INC. (1157601) Subject
Form SCHEDULE 13G/A
05/15/2026 11:37 AM
Janus Henderson Group (1274173) Filed by
Maze Therapeutics, Inc. (1842295) Subject
Form SCHEDULE 13G/A
05/15/2026 11:38 AM
Janus Henderson Group (1274173) Filed by
Vaxcyte, Inc. (1649094) Subject
Form SCHEDULE 13G/A
05/15/2026 11:38 AM
Immix Biopharma, Inc. (1873835) Subject
Janus Henderson Group (1274173) Filed by
Form SCHEDULE 13G/A
05/15/2026 11:38 AM
Jade Biosciences, Inc. (1798749) Subject
Jade Biosciences, Inc. (1798749) Subject
Janus Henderson Group (1274173) Filed by
Form SCHEDULE 13G/A
05/15/2026 11:38 AM
Janus Henderson Group (1274173) Filed by
Janux Therapeutics, Inc. (1817713) Subject
Form SCHEDULE 13G/A
05/15/2026 11:38 AM
Janus Henderson Group (1274173) Filed by
Lantheus Holdings, Inc. (1521036) Subject
Form SCHEDULE 13G/A
05/15/2026 11:38 AM
Janus Henderson Group (1274173) Filed by
Olema Pharmaceuticals, Inc. (1750284) Subject
Form SCHEDULE 13G/A
05/15/2026 11:39 AM
Janus Henderson Group (1274173) Filed by
Protara Therapeutics, Inc. (1359931) Subject
Form SCHEDULE 13G/A
05/15/2026 11:39 AM
Janus Henderson Group (1274173) Filed by
PTC THERAPEUTICS, INC. (1070081) Subject
Form SCHEDULE 13G/A
05/15/2026 11:50 AM
Janus Henderson Group (1274173) Filed by
Tyra Biosciences, Inc. (1863127) Subject
Form SCHEDULE 13G/A
05/15/2026 11:36 AM
Ascendis Pharma A/S (1612042) Subject
Janus Henderson Group (1274173) Filed by
Form SCHEDULE 13G/A
05/15/2026 11:36 AM
BEL FUSE INC /NJ (729580) Subject
BEL FUSE INC /NJ (729580) Subject
Janus Henderson Group (1274173) Filed by
Form SCHEDULE 13G/A
05/15/2026 11:36 AM
BridgeBio Pharma, Inc. (1743881) Subject
Janus Henderson Group (1274173) Filed by
Form SCHEDULE 13G/A
05/15/2026 11:36 AM
BRIGHT MINDS BIOSCIENCES INC. (1827401) Subject
Janus Henderson Group (1274173) Filed by
Form SCHEDULE 13G/A
05/15/2026 11:36 AM
BRIGHT MINDS BIOSCIENCES INC. (1827401) Subject
Janus Henderson Group (1274173) Filed by
Form SCHEDULE 13G/A
05/15/2026 11:36 AM
Dyne Therapeutics, Inc. (1818794) Subject
Janus Henderson Group (1274173) Filed by
Form SCHEDULE 13G/A
05/15/2026 11:36 AM
Forte Biosciences, Inc. (1419041) Subject
Forte Biosciences, Inc. (1419041) Subject
Janus Henderson Group (1274173) Filed by
Form SCHEDULE 13G/A
05/15/2026 11:37 AM
Gildan Activewear Inc. (1061894) Subject
Janus Henderson Group (1274173) Filed by
Form SCHEDULE 13G/A
05/15/2026 11:37 AM
GLAUKOS Corp (1192448) Subject
Janus Henderson Group (1274173) Filed by
Form SCHEDULE 13G/A
05/15/2026 10:42 AM
COLLEGIUM PHARMACEUTICAL, INC (1267565) Subject
Janus Henderson Group (1274173) Filed by
Form SCHEDULE 13G
05/15/2026 10:42 AM
Edgewise Therapeutics, Inc. (1710072) Subject
Janus Henderson Group (1274173) Filed by
Form SCHEDULE 13G
05/15/2026 10:42 AM
Janus Henderson Group (1274173) Filed by
Stride, Inc. (1157408) Subject
Form SCHEDULE 13G
05/15/2026 10:43 AM
Janus Henderson Group (1274173) Filed by
Tarsus Pharmaceuticals, Inc. (1819790) Subject
Form SCHEDULE 13G
05/15/2026 10:43 AM
Bicara Therapeutics Inc. (2023658) Subject
Janus Henderson Group (1274173) Filed by
Form SCHEDULE 13G
05/15/2026 10:43 AM
Janus Henderson Group (1274173) Filed by
Longeveron Inc. (1721484) Subject
Form SCHEDULE 13G
05/15/2026 10:43 AM
Janus Henderson Group (1274173) Filed by
Minerva Neurosciences, Inc. (1598646) Subject
Form SCHEDULE 13G
05/15/2026 10:23 AM
Janus Henderson Group (1274173) Filed by
SS&C Technologies Holdings Inc (1402436) Subject
Form SCHEDULE 13G/A
05/15/2026 10:23 AM
Janus Henderson Group (1274173) Filed by
Xenon Pharmaceuticals Inc. (1582313) Subject
Form SCHEDULE 13G/A
05/15/2026 10:23 AM
Janus Henderson Group (1274173) Filed by
Revolution Medicines, Inc. (1628171) Subject
Revolution Medicines, Inc. (1628171) Subject
Form SCHEDULE 13G/A
05/15/2026 10:23 AM
Janus Henderson Group (1274173) Filed by
OSI SYSTEMS INC (1039065) Subject
Form SCHEDULE 13G/A
05/15/2026 10:23 AM
ARDELYX, INC. (1437402) Subject
Janus Henderson Group (1274173) Filed by
Form SCHEDULE 13G/A
05/15/2026 10:24 AM
Dayforce, Inc. (1725057) Subject
Dayforce, Inc. (1725057) Subject
Janus Henderson Group (1274173) Filed by
Form SCHEDULE 13G/A
05/14/2026 6:35 PM
Baldwin Brian M (1728954) Reporting
Janus Henderson Group (1274173) Issuer
TRIAN FUND MANAGEMENT, L.P. (1345471) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
05/14/2026 6:36 PM
Frank Joshua D. (1422599) Reporting
Janus Henderson Group (1274173) Issuer
TRIAN FUND MANAGEMENT, L.P. (1345471) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
05/14/2026 6:37 PM
Janus Henderson Group (1274173) Subject
TRIAN FUND MANAGEMENT, L.P. (1345471) Filed by
Form SCHEDULE 13D/A
05/13/2026 7:23 PM
Janus Henderson Group (1274173) Issuer
Sheehan Anne (1776285) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
05/13/2026 7:27 PM
DOLAN KEVIN B (1897219) Reporting
Janus Henderson Group (1274173) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
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05/13/2026 7:28 PM
DESAI KALPANA (1899214) Reporting
Janus Henderson Group (1274173) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
05/13/2026 7:34 PM
FLOOD EUGENE JR (1598139) Reporting
Janus Henderson Group (1274173) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
05/13/2026 7:14 PM
CASSADAY JOHN M (1308732) Reporting
Janus Henderson Group (1274173) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
05/13/2026 6:59 PM
Janus Henderson Group (1274173) Issuer
SEYMOUR JACKSON ANGELA (1899142) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
05/13/2026 7:06 PM
Janus Henderson Group (1274173) Issuer
Quirk Alison A. (1485499) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
05/13/2026 4:38 PM
Janus Henderson Group (1274173) Issuer
Seidman Leslie (1595268) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
05/12/2026 7:02 PM
Janus Henderson Group (1274173) Subject
TRIAN FUND MANAGEMENT, L.P. (1345471) Reporting
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
05/08/2026 3:30 PM
Janus Henderson Group (1274173) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/08/2026 3:32 PM
Janus Henderson Group (1274173) Filer
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
05/07/2026 10:29 AM
Adagene Inc. (1818838) Subject
Janus Henderson Group (1274173) Filed by
Form SCHEDULE 13G
05/07/2026 10:29 AM
Janus Henderson Group (1274173) Filed by
SOLENO THERAPEUTICS INC (1484565) Subject
Form SCHEDULE 13G/A
04/17/2026 8:00 AM
Janus Henderson Group (1274173) Filer
Form ARS
04/17/2026 8:00 AM
Janus Henderson Group (1274173) Filer
Form DEF 14A
04/17/2026 8:00 AM
Janus Henderson Group (1274173) Filer
Form DEFA14A
04/17/2026 7:04 AM
Janus Henderson Group (1274173) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
04/13/2026 4:15 PM
Janus Henderson Group (1274173) Subject
Form SC 13E3/A
04/09/2026 3:05 PM
Janus Henderson Group (1274173) Filer
Form DEFA14A
04/07/2026 3:27 PM
Janus Henderson Group (1274173) Filed by
ProMIS Neurosciences Inc. (1374339) Subject
Form SCHEDULE 13G
04/07/2026 2:48 PM
4D Molecular Therapeutics, Inc. (1650648) Subject
Janus Henderson Group (1274173) Filed by
Form SCHEDULE 13G/A
04/06/2026 5:35 PM
GREWAL SUKHDEEP SINGH (2127478) Reporting
Janus Henderson Group (1274173) Issuer
Form 3
Initial statement of beneficial ownership of securities  
04/03/2026 4:00 PM
Janus Henderson Group (1274173) Filer
Form PRE 14A
03/30/2026 8:28 AM
Janus Henderson Group (1274173) Subject
Form SC 13E3/A
03/27/2026 3:30 PM
Janus Henderson Group (1274173) Filer
Form DEFA14A
03/26/2026 8:39 PM
Janus Henderson Group (1274173) Filer
Form DEFA14A
03/26/2026 10:43 AM
Janus Henderson Group (1274173) Subject
VANGUARD GROUP INC (102909) Filed by
Form SCHEDULE 13G/A
03/25/2026 3:08 PM
Janus Henderson Group (1274173) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
03/25/2026 3:09 PM
Janus Henderson Group (1274173) Filer
Form DEFA14A
03/25/2026 7:39 AM
Janus Henderson Group (1274173) Filer
Form DEFA14A
03/25/2026 7:38 AM
Janus Henderson Group (1274173) Filer
Form DEFA14A
03/24/2026 8:54 PM
Janus Henderson Group (1274173) Subject
TRIAN FUND MANAGEMENT, L.P. (1345471) Filed by
Form SCHEDULE 13D/A
03/24/2026 4:27 PM
Janus Henderson Group (1274173) Subject
TRIAN FUND MANAGEMENT, L.P. (1345471) Filed by
Form DFAN14A
03/24/2026 4:10 PM
Janus Henderson Group (1274173) Filer
Form DEFA14A
03/24/2026 4:09 PM
Janus Henderson Group (1274173) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
03/24/2026 3:35 PM
Janus Henderson Group (1274173) Filer
Form DEFA14A
03/24/2026 8:20 AM
Janus Henderson Group (1274173) Filer
Form DEFA14A
03/24/2026 8:21 AM
Janus Henderson Group (1274173) Filer
Form DEFA14A
03/24/2026 8:04 AM
Janus Henderson Group (1274173) Filer
Form DEFA14A
03/23/2026 6:15 AM
Janus Henderson Group (1274173) Subject
Victory Capital Holdings, Inc. (1570827) Filed by
Form 425
03/20/2026 8:20 PM
Janus Henderson Group (1274173) Subject
TRIAN FUND MANAGEMENT, L.P. (1345471) Filed by
Form DFAN14A
03/20/2026 7:50 AM
Janus Henderson Group (1274173) Subject
TRIAN FUND MANAGEMENT, L.P. (1345471) Filed by
Form DFAN14A
03/19/2026 4:09 PM
Janus Henderson Group (1274173) Filer
Form DEFA14A
03/17/2026 6:44 AM
Janus Henderson Group (1274173) Subject
Victory Capital Holdings, Inc. (1570827) Filed by
Form 425
03/17/2026 6:27 AM
Janus Henderson Group (1274173) Subject
Victory Capital Holdings, Inc. (1570827) Filed by
Form 425
03/11/2026 4:20 PM
Janus Henderson Group (1274173) Subject
TRIAN FUND MANAGEMENT, L.P. (1345471) Filed by
Form DFAN14A
03/11/2026 4:06 PM
Janus Henderson Group (1274173) Subject
Victory Capital Holdings, Inc. (1570827) Filed by
Form 425
03/11/2026 11:41 AM
Janus Henderson Group (1274173) Issuer
PODZOROV MEGAN (2048891) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
03/11/2026 8:51 AM
Janus Henderson Group (1274173) Subject
Form SC 13E3/A
03/11/2026 7:35 AM
Janus Henderson Group (1274173) Subject
TRIAN FUND MANAGEMENT, L.P. (1345471) Filed by
Form DFAN14A
03/11/2026 7:09 AM
Janus Henderson Group (1274173) Filer
Form DEFA14A
03/11/2026 7:11 AM
Janus Henderson Group (1274173) Filer
Form DEFA14A
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03/11/2026 6:51 AM
Janus Henderson Group (1274173) Filer
Form DEFA14A
03/11/2026 6:37 AM
Janus Henderson Group (1274173) Filer
Form DEFM14A
03/10/2026 10:54 AM
Janus Henderson Group (1274173) Subject
PODZOROV MEGAN (2048891) Reporting
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
03/05/2026 4:22 PM
Janus Henderson Group (1274173) Subject
Victory Capital Holdings, Inc. (1570827) Filed by
Form 425
03/03/2026 6:32 PM
Janus Henderson Group (1274173) Issuer
THOMPSON ROGER MJ (1899151) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
03/03/2026 6:32 PM
FOGO GEORGINA (1899144) Reporting
Janus Henderson Group (1274173) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
03/03/2026 6:33 PM
Janus Henderson Group (1274173) Issuer
ROSENBERG MICHELLE (1898845) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
03/03/2026 6:14 PM
CRAWFORD BERG (2025561) Reporting
Janus Henderson Group (1274173) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
03/03/2026 5:38 PM
Dibadj Ali (1837149) Reporting
Janus Henderson Group (1274173) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
(Data available from 1/1/2016 forward)

Janus Henderson Group SEC Filings - Frequently Asked Questions

Janus Henderson Group (JHG) has submitted 1,103+ filings to the SEC since 2017. You can browse the complete history or filter by form type using the tools above.

Janus Henderson Group's fiscal year ends on December 31. The company typically files its 10-K annual report by the end of February, covering the prior fiscal year's financial results. Key financial data from these reports is available on Janus Henderson Group's financial statements page.

The most recent filing was a Form 13F-HR/A submitted on May 18, 2026. View the full filing using the link above.

SEC Filing Types: 10-K, 10-Q, 8-K and More

SEC filings are legally required disclosures that public companies submit to the U.S. Securities and Exchange Commission. Unlike press releases or earnings call transcripts, these documents are filed under legal obligation — meaning the financial data they contain is audited, standardized, and subject to penalties if materially false. For investors, that makes SEC filings the most reliable primary source available for evaluating a company's true financial position.

Yes. All SEC filings are publicly available through the SEC's EDGAR database and on financial research platforms like MarketBeat. Companies are required by law to make these disclosures accessible to all investors — meaning retail investors have access to the same source documents as institutional analysts.

A 10-K is an annual report containing audited financial statements and a full review of the company's business — it is the most comprehensive filing a company makes each year. A 10-Q is a shorter, unaudited quarterly update filed three times per year between annual reports. Investors typically use the 10-K for deep fundamental analysis and the 10-Q to track whether the company is on pace with its guidance mid-year.

The most important filing for fundamental investors. Filed once per year, the 10-K contains audited financial statements, revenue and earnings trends, debt obligations, risk factors, and management's own assessment of the business. Reading the risk factors section and comparing year-over-year financials can reveal issues that don't show up in analyst summaries.

An unaudited financial update filed three times per year (the 10-K covers Q4). Investors use 10-Qs to track whether guidance is on pace, monitor changes in cash flow or inventory, and catch any mid-year shifts in business conditions before they become headline news.

Filed within four business days of a material event — earnings releases, merger announcements, executive departures, or major asset sales. Because 8-Ks are filed before media coverage catches up, they are often the fastest way to get unfiltered information directly from the company on market-moving events.

Filed within two business days whenever an executive or director buys or sells company stock. Insider purchases — especially large or clustered buys — are often interpreted as a signal of management confidence. Insider selling is more ambiguous but worth monitoring for patterns, particularly around lock-up expirations or ahead of major announcements.


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This page (NYSE:JHG) was last updated on 5/29/2026 by MarketBeat.com Staff.
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