Institutional Ownership
Janus Henderson Group PLC
CUSIP G4474Y214ORD SHSJHGQ1 2026
13D / 13G Filings
34
Schedule 13D/13G on record
Beneficial Filers
8
Distinct reporting persons
Largest Stake
20.6%
Max % of class reported
Institutional Holders
477
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
34 filings · latest Dec 23, 2025
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Dec 23, 2025 | Massachusetts Mutual Life Insurance Co | 13D | 0.1% | — | SEC |
| 2 | Dec 22, 2025 | Nelson Peltz | 13D/A | 20.6% | — | SEC |
| 3 | Oct 27, 2025 | Nelson Peltz | 13D/A | 20.4% | — | SEC |
| 4 | May 16, 2025 | Millennium Management LLC | 13G | 11.0% | 7.88M | SEC |
| 5 | May 2, 2025 | Nelson Peltz | 13D/A | 20.2% | — | SEC |
| 6 | Feb 7, 2025 | Capital Research Global Investors | 13G/A | 4.5% | 7.21M | SEC |
| 7 | Nov 14, 2024 | Silchester International Investors LLP | 13G/A | 3.6% | 5.73M | SEC |
| 8 | Feb 13, 2024 | Vanguard Group Inc | 13G/A | 8.2% | 13.58M | SEC |
| 9 | Feb 9, 2024 | Capital Research Global Investors | 13G | 5.3% | 8.73M | SEC |
| 10 | Jan 29, 2024 | Silchester International Investors LLP | 13G/A | 9.0% | 14.89M | SEC |
24 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Janus Henderson Group PLC.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Trian Fund Management, L.P. | 31.87M | $1.64B |
| 2 | Blackrock, Inc. | 14.76M | $758.39M |
| 3 | State Street Corp | 4.38M | $225.18M |
| 4 | Dimensional Fund Advisors LP | 4.27M | $219.26M |
| 5 | Hbk Investments L P | 4.23M | $217.33M |
| 6 | Citadel Advisors LLC | 3.77M | $193.80M |
| 7 | Aqr Capital Management LLC | 3.34M | $171.65M |
| 8 | Allianz Asset Management Gmbh | 3.20M | $164.38M |
| 9 | Geode Capital Management, LLC | 2.65M | $135.95M |
| 10 | Goldman Sachs Group Inc | 2.40M | $123.15M |