Janus Henderson Group (JHG) reports $223.3B portfolio across 4,350 positions in 13F

Rhea-AI Filing Summary

Janus Henderson Group plc filed a quarterly Form 13F holdings report as an institutional investment manager. The filing states that all holdings for this manager are included in the report and identifies 15 other included managers associated with its investment operations in multiple regions.

The summary page reports a Form 13F information table with 4,350 individual entries and an aggregate reported market value of $223,305,374,575, rounded to the nearest dollar. The report is signed by Kristin Mariani, Head of North America Compliance, on behalf of the firm.

The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F COVER PAGE

OMB APPROVAL

OMB Number:			3235-0006
Estimated average burden
hours per response:			23.8

Report for the Calendar Year or Quarter Ended: 12-31-2025

Check here if Amendment		Amendment Number:
This Amendment (Check only one.):		is a restatement.
		adds new holdings entries.

Institutional Investment Manager Filing this Report:
Name:	JANUS HENDERSON GROUP PLC
Address:	201 BISHOPSGATE
	LONDON, X0 EC2M 3AE
Form 13F File Number:	028-10904
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 the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.

Person Signing this Report on Behalf of Reporting Manager:
Name:		Kristin Mariani
Title:		Head of North America Compliance
Phone:		303-333-3863
Signature, Place, and Date of Signing:
/s/ Kristin Mariani			Denver, CO	02-17-2026
[Signature]			[City, State]	[Date]

Report Type (Check only one.):
X	13F 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 reporting manager(s).)
	13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)

Form 13F Summary Page
	Report Summary:
	Number of Other Included Managers:		15
	Form 13F Information Table Entry Total:		4,350
	Form 13F Information Table Value Total:		223,305,374,575
			(round to nearest dollar)

List of Other Included Managers:
Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report.
[If there are no entries in this list, state "NONE" and omit the column headings and list entries.]
	No.	Name	Form 13F File No.	CRD No. (if applicable)	SEC File No. (if applicable)	CIK
	10	JANUS HENDERSON INVESTORS US LLC	028-01343	000104652	801-13991	0000812295
	11	Janus Henderson Investors (Australia) Institutional Funds Management Ltd	028-20157			0001794678
	12	Janus Henderson Investors (Singapore) Ltd	028-20257			0001810753
	16	Janus Henderson Investors (Jersey) Ltd	028-21345			0001874815
	30	Equitable Investment Management Group, LLC	028-14633	000156933	801-72220	0001536185
	31	Park Avenue Institutional Advisers LLC	028-16979	000175101	801-81084	0001640801
	32	GuideStone Capital Management, LLC	028-10998	000112319	801-60303	0001308668
	33	NEW YORK LIFE INVESTMENT MANAGEMENT LLC	028-06325	000109591	801-57396	0001133639
	34	Nationwide Fund Advisors	028-05161	000109391	801-56370	0001097218
	35	NORTHERN TRUST CORP	028-00290	000007927	801-80781	0000073124
	36	Pacific Life Fund Advisors LLC	028-14003	000105169	801-15057	0001499091
	37	Penn Mutual Asset Management	028-18923	000107518	801-35477	0000855702
	39	FIRST TRUST ADVISORS LP	028-06487	000107027	801-39950	0001125816
	4	JANUS HENDERSON INVESTORS UK Ltd	028-10906			0001280110
	40	NATIONAL MUTUAL FUNDS MANAGEMENT LTD	028-23268	000107027	802-127935	0001966440

FAQ

What is Janus Henderson Group (JHG) reporting in this Form 13F-HR?

Janus Henderson Group plc is reporting its Form 13F-HR institutional holdings. The filing states it is a full 13F holdings report, meaning all reportable equity securities managed by the firm are included for the covered quarter.

How large is Janus Henderson Group’s reported 13F portfolio in this filing?

The filing reports a Form 13F Information Table Value Total of $223,305,374,575. This figure represents the aggregate market value, rounded to the nearest dollar, of all 4,350 reportable positions included in the firm’s 13F information table.

How many positions does Janus Henderson Group (JHG) report on its 13F?

The Form 13F Summary Page shows a total of 4,350 information table entry positions. Each entry represents a distinct reportable security in which the Janus Henderson investment complex held positions during the reporting period.

What report type did Janus Henderson Group select on this 13F filing?

The firm checked the box for a 13F HOLDINGS REPORT. This indicates all of the reportable holdings for this institutional investment manager are included in this single filing, rather than being split with other managers or noticed elsewhere.

Who signed the Janus Henderson Group (JHG) Form 13F and in what capacity?

The report was signed by Kristin Mariani as Head of North America Compliance. The signature block affirms that she is authorized to submit the report and that the information contained in it is represented as true, correct, and complete.

How many other included managers are listed in Janus Henderson’s 13F report?

The Form 13F Summary Page lists 15 other included managers. These include various Janus Henderson affiliates and external managers, each identified with a Form 13F file number and, in many cases, additional regulatory identifiers such as CIK or CRD numbers.

Which key affiliated managers are named in Janus Henderson’s other included managers list?

Named entities include JANUS HENDERSON INVESTORS US LLC, Janus Henderson Investors (Australia) Institutional Funds Management Ltd, Janus Henderson Investors (Singapore) Ltd, Janus Henderson Investors (Jersey) Ltd, and other third-party managers such as NEW YORK LIFE INVESTMENT MANAGEMENT LLC and NORTHERN TRUST CORP.