Comparable stake leader
BlackRock, Inc.
SEC ownership of Janus Henderson Group Ltd.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001274173.
Disclosed value leader
TRIAN FUND MANAGEMENT, L.P.
Comparable rows
50/50
Latest evidence
30 Jun 2026
- Public ticker
- JHG on NYSE
- Parsed ownership sources
-
13F, 13D/G, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
BlackRock, Inc.
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
BlackRock, Inc.
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
30 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001274173
- Issuer location
- London
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Janus Henderson Group Ltd. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BlackRock, Inc.
Disclosed value leader
TRIAN FUND MANAGEMENT, L.P.
Comparable rows
50/50
Latest evidence
30 Jun 2026
13F
13D/G
3/4/5
Lead comparable stake: 7.5%
13D/G row: BlackRock, Inc.
Showing 1-8 of 50 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 7.5%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens BlackRock, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock, Inc.
7.5%
MILLENNIUM MANAGEMENT LLC
5%
Capital Research Global Investors
4.5%
Roger Mj Thompson
0.09%
TRIAN FUND MANAGEMENT, L.P.
17%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
Company
|
7.5%
from 13D/G
|
$719,316,769
13,846,329 shares
|
— | 30 Jun 2026 |
| MILLENNIUM MANAGEMENT LLC |
13D/G
13F
Company
|
5%
|
$261,156,985
7,875,663 shares
|
$0 | 12 May 2025 |
| Capital Research Global Investors |
13D/G
|
4.5%
|
$238,947,080
7,205,883 shares
|
$0 | 30 Sep 2024 |
| Roger Mj Thompson |
3/4/5
CHIEF FINANCIAL OFFICER
|
0.09%
|
$7,600,183
146,254 shares
|
-$2,057,779 | 27 Feb 2026 |
| TRIAN FUND MANAGEMENT, L.P. |
13F
Company
|
17%
|
$1,334,027,864
25,654,382 shares
|
— | 30 Jun 2026 |
| GLAZER CAPITAL, LLC |
13F
Company
|
4%
|
$324,190,000
6,234,419 shares
|
— | 30 Jun 2026 |
| Qube Research & Technologies Ltd |
13F
Company
|
3.8%
|
$306,605,939
5,901,943 shares
|
— | 30 Jun 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13F
Company
|
3.7%
|
$299,095,112
5,757,365 shares
|
— | 30 Jun 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$1,292,833,351.
Buys
$0
Insiders: 0
Sells
$1,292,833,351
Insiders: 8
Net
-$1,292,833,351
Shares: -25,066,253
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 25,066,253
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 24,872,269 | $0 | $1,283,422,326 | -$1,283,422,326 |
| 6-9 | 0 | 166,493 | $0 | $8,166,831 | -$8,166,831 |
| 9-12 | 0 | 27,491 | $0 | $1,244,194 | -$1,244,194 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 33 reporting-owner rows connected to Janus Henderson Group Ltd.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
33
Largest Forms 3/4/5 holder
Edward P. Garden
Net 12M change
-$1,292,833,351
Latest report
30 Jun 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Edward P. Garden | Director, 10%+ Owner | $871,584,330 | Mixed | 29 Mar 2022 | ||
| Nelson Peltz | Director, 10%+ Owner | $871,584,330 | Mixed | 29 Mar 2022 | ||
| Richard M. Weil | Chief Executive Officer, Director | $9,004,140 | Mixed | 28 Feb 2022 | ||
| Roger Mj Thompson | Chief Financial Officer | $7,600,183 | -$2,057,779 | -21% | Mixed | 27 Feb 2026 |
| Suzanne Cain | Global Head of Distribution | $4,045,037 | Mixed | 01 Jun 2022 | ||
| Jeffrey J. Diermeier | Director | $2,551,919 | Mixed | 24 Aug 2022 | ||
| James R. Lowry | Global Chief Operating Officer | $2,509,568 | Mixed | 28 Feb 2025 | ||
| Tiphani Krueger | Global Head of Human Resources | $2,026,635 | Mixed | 28 Feb 2023 | ||
| Lawrence E. Kochard | Director | $2,010,745 | Mixed | 24 Aug 2022 | ||
| Glenn S. Schafer | Director | $952,327 | Mixed | 28 Feb 2022 | ||
| Richard Gillingwater | Director | $627,436 | Mixed | 23 May 2022 | ||
| Alison Davis | Director | $270,464 | Mixed | 23 May 2022 | ||
| Brennan A. Hughes | Chief Accounting Officer | $114,057 | Filing P/S | 06 Mar 2024 | ||
| Steven Saba | Interim Chief Acct Officer | $23,876 | Mixed | 12 Apr 2024 | ||
| Georgina Fogo | Chief Risk Officer | $0 | Mixed | 30 Jun 2026 | ||
| Ali Dibadj | CEO, Director | $0 | -$6,269,284 | -100% | Mixed | 30 Jun 2026 |
| Berg Crawford | Chief Accounting Officer | $0 | Mixed | 30 Jun 2026 | ||
| William B. Cassidy | Chief Technology Officer | $0 | -$885,820 | -100% | Mixed | 30 Jun 2026 |
| Jackson Angela Seymour | Director | $0 | Mixed | 30 Jun 2026 | ||
| Eugene Flood Jr. | Director | $0 | Mixed | 30 Jun 2026 |
Recent insider transactions for Janus Henderson Group Ltd.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Baldwin Brian M | JHG | Common Stock | Disposed to Issuer | -100% | -518,177 | 0 | 30 Jun 2026 | Please see explanation below | ||
| Brian M. Baldwin | JHG | Common Stock | Disposed to Issuer | -100% | -518,177 | 0 | 30 Jun 2026 | Please see explanation below | ||
| Baldwin Brian M | JHG | Common Stock | Other | -100% | -25,136,205 | 0 | 30 Jun 2026 | Please see explanation below | ||
| Brian M. Baldwin | JHG | Common Stock | Other | -100% | -25,136,205 | 0 | 30 Jun 2026 | Please see explanation below | ||
| Frank Joshua D. | JHG | Common Stock | Disposed to Issuer | -100% | -518,177 | 0 | 30 Jun 2026 | Please see explanation below | ||
| Joshua D. Frank | JHG | Common Stock | Disposed to Issuer | -100% | -518,177 | 0 | 30 Jun 2026 | Please see explanation below | ||
| Frank Joshua D. | JHG | Common Stock | Other | -100% | -25,136,205 | 0 | 30 Jun 2026 | Please see explanation below | ||
| Joshua D. Frank | JHG | Common Stock | Other | -100% | -25,136,205 | 0 | 30 Jun 2026 | Please see explanation below | ||
| Michelle Rosenberg | JHG | Common Stock | Award | 65,629 | 65,629 | 30 Jun 2026 | Direct | |||
| Michelle Rosenberg | JHG | Common Stock | Other | -100% | -48,077 | 0 | 30 Jun 2026 | Direct | ||
| Michelle Rosenberg | JHG | Common Stock | Disposed to Issuer | -100% | -126,965 | 0 | 30 Jun 2026 | Direct | ||
| Michelle Rosenberg | JHG | Common Stock (401k) | Disposed to Issuer | -100% | -130 | 0 | 30 Jun 2026 | By 401(k) Plan | ||
| Leslie Seidman | JHG | Common Stock | Disposed to Issuer | -100% | -15,756 | 0 | 30 Jun 2026 | Direct | ||
| William B. Cassidy | JHG | Common Stock | Award | 15,870 | 15,870 | 30 Jun 2026 | Direct | |||
| William B. Cassidy | JHG | Common Stock | Disposed to Issuer | -100% | -129,524 | 0 | 30 Jun 2026 | Direct | ||
| Sukhdeep Singh Grewal | JHG | Common Stock | Disposed to Issuer | -100% | -52,320 | 0 | 30 Jun 2026 | Direct | ||
| Berg Crawford | JHG | Common Stock | Disposed to Issuer | -100% | -2,948 | 0 | 30 Jun 2026 | Direct | ||
| Megan Podzorov | JHG | Common Stock | Award | 7,935 | 7,935 | 30 Jun 2026 | Direct | |||
| Megan Podzorov | JHG | Common Stock | Disposed to Issuer | -100% | -20,352 | 0 | 30 Jun 2026 | Direct | ||
| Eugene Flood Jr. | JHG | Common Stock | Disposed to Issuer | -100% | -23,833 | 0 | 30 Jun 2026 | Direct | ||
| Kalpana Desai | JHG | Common Stock | Disposed to Issuer | -100% | -33,638 | 0 | 30 Jun 2026 | Direct | ||
| Jackson Angela Seymour | JHG | Common Stock | Disposed to Issuer | -100% | -28,786 | 0 | 30 Jun 2026 | Direct | ||
| Kevin B. Dolan | JHG | Common Stock | Disposed to Issuer | -100% | -27,017 | 0 | 30 Jun 2026 | Direct | ||
| Alison A. Quirk | JHG | Common Stock | Other | -100% | -9,664 | 0 | 30 Jun 2026 | Direct | ||
| Alison A. Quirk | JHG | Common Stock | Disposed to Issuer | -39.2% | -6,244 | 9,664 | 30 Jun 2026 | Direct | ||
| Anne Sheehan | JHG | Common Stock | Disposed to Issuer | -100% | -16,265 | 0 | 30 Jun 2026 | Direct | ||
| John M. Cassaday | JHG | Common Stock | Other | -100% | -14,900 | 0 | 30 Jun 2026 | By Sundance Investments Inc. | ||
| John M. Cassaday | JHG | Common Stock | Other | -100% | -5,793 | 0 | 30 Jun 2026 | Direct | ||
| John M. Cassaday | JHG | Common Stock | Disposed to Issuer | -80.2% | -23,504 | 5,793 | 30 Jun 2026 | Direct | ||
| Ali Dibadj | JHG | Common Stock | Award | 769,541 | 769,541 | 30 Jun 2026 | Direct | |||
| Ali Dibadj | JHG | Common Stock | Disposed to Issuer | -100% | -1,257,116 | 0 | 30 Jun 2026 | Direct | ||
| Georgina Fogo | JHG | Common Stock | Award | 25,191 | 25,191 | 30 Jun 2026 | Direct | |||
| Georgina Fogo | JHG | Common Stock | Disposed to Issuer | -100% | -86,587 | 0 | 30 Jun 2026 | Direct | ||
| Frank Joshua D. | JHG | Common Stock | Sale | -19.5% | $320,612,990 | $51.60 | -6,213,418 | 25,654,382 | 12 May 2026 | Please see explanation below |
| Joshua D. Frank | JHG | Common Stock | Sale | -19.5% | $320,612,990 | $51.60 | -6,213,418 | 25,654,382 | 12 May 2026 | Please see explanation below |
| Baldwin Brian M | JHG | Common Stock | Sale | -19.5% | $320,612,990 | $51.60 | -6,213,418 | 25,654,382 | 12 May 2026 | Please see explanation below |
| Brian M. Baldwin | JHG | Common Stock | Sale | -19.5% | $320,612,990 | $51.60 | -6,213,418 | 25,654,382 | 12 May 2026 | Please see explanation below |
| Eugene Flood Jr. | JHG | Common Stock | Tax liability | -1.72% | -416 | 23,833 | 12 May 2026 | Direct | ||
| Kalpana Desai | JHG | Common Stock | Tax liability | -5.42% | -1,926 | 33,638 | 12 May 2026 | Direct | ||
| Anne Sheehan | JHG | Common Stock | Tax liability | -2.35% | -392 | 16,265 | 12 May 2026 | Direct | ||
| Alison A. Quirk | JHG | Common Stock | Tax liability | -2.55% | -417 | 15,908 | 12 May 2026 | Direct | ||
| Jackson Angela Seymour | JHG | Common Stock | Tax liability | -6.49% | -1,997 | 28,786 | 12 May 2026 | Direct | ||
| Leslie Seidman | JHG | Common Stock | Tax liability | -2.58% | -417 | 15,756 | 12 May 2026 | Direct | ||
| Eugene Flood Jr. | JHG | Common Stock | Award | 15.7% | 3,288 | 24,249 | 11 May 2026 | Direct | ||
| Kalpana Desai | JHG | Common Stock | Award | 10.2% | 3,288 | 35,564 | 11 May 2026 | Direct | ||
| Kevin B. Dolan | JHG | Common Stock | Award | 13.9% | 3,288 | 27,017 | 11 May 2026 | Direct | ||
| Anne Sheehan | JHG | Common Stock | Award | 24.6% | 3,288 | 16,657 | 11 May 2026 | Direct | ||
| John M. Cassaday | JHG | Common Stock | Award | 25.2% | 5,899 | 29,297 | 11 May 2026 | Direct | ||
| Alison A. Quirk | JHG | Common Stock | Award | 25.2% | 3,288 | 16,325 | 11 May 2026 | Direct | ||
| Jackson Angela Seymour | JHG | Common Stock | Award | 12% | 3,288 | 30,783 | 11 May 2026 | Direct |
* marks a reported price that did not pass the local price check.